PT6714

PT6715_14 TI1 | Alldatasheet

Document overview

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Technical content

Features

• 13-A Output Current
• Single Device: 3.3V/5V Input
• 90% Efficiency (PT6715)
• On/Off Standby Function
• Differential Remote Sense
• Adjustable Output Voltage
• Short Circuit Protection
• 17-pin Space-Saving Package
• Solderable Copper Case Pin-Out Information Pin Function 1V o Adjust

2 STBY*

3 Do Not Connect

7 Remote Sense Gnd

8 GND

9 GND

10 GND

11 GND

12 GND

13 V out

14 V out

15 V out

16 V out

17 Remote Sense Vout

• For further information, see application notes.

Description

The PT6715 series of power modules are a 13-A rated i ntegrated switching regulator (ISR), housed in a 17-pin space saving solderable copper package. These modules will operate off either a 5V or 3.3V input power bus to provide a high- performance low-voltage power source for the industry’s latest high-speed, DSPs, µPs, and bus drivers. This allows for the easy integration of these new low-voltage ICs into existing 3.3V or 5V systems with- out re-designing the central power supply. The series includes the standard output bus voltage options, ranging from 1.0V to 3.3V. Each output voltage option has a limited adjust range. Features include a Standby (On/Off) function, a diff erential output Remote Sense, and short circuit protection. The modules are available in both through- hole and surface mount configurations. PT Series Suffix (PT1234x) Case/Pin Order Package Configuration Suffix Code * Vertical N (EMD) Horizontal A (EMA) SMD C (EMC) * Previously known as package styles 1340/50. (Reference the applicable package code drawing for the dimensions and PC board layout)

Ordering Information

PT6715/G72= 3.3 Volts PT6716/G72= 2.5 Volts † PT6717/G72= 1.8 Volts † PT6718/G72= 1.5 Volts † PT6719/G72= 1.2Volts † PT6714/G72= 1.0Volts † 3.3V Input Bus Capable PT6715 Series 13-A 5V/3.3V-Input Adjustable Integrated Switching Regulator Cin = Required 1000µF electrolytic Cout= Required 330µF electrolytic L1 = Optional 1µH input choke PT6715 4 - 6 8 - 12 13 - 16 1µH C OUT +C IN + 7 LOAD REMOTE SENSE (+) REMOTE SENSE (-) GND VOUT Vout Adjust VIN GND STBY* SLTS100B (Revised 9/5/2002)

For technical support and more information, see inside back cover or visit www.ti.com PT6715 Series 13-A 5V/3.3V-Input Adjustable Integrated Switching Regulator Specifications (Unless otherwise stated, T a =25°C, Vin =5V , Cin =1,000µF , Cout =330µF , and Io =Iomax) PT6715 Series Characteristic Symbol Conditions Min Typ Max Units Output Current I o Ta =+60°C, 200LFM 0.1 (1) —1 3 ATa =+25°C, natural convection 0.1 (1) —1 3 Set Point Voltage T olerance V o tol — ±1 ±1.5 (2) %Vo T emperature Variation Reg temp –40° ≤Ta ≤ +85°C, Io =Iomin — ±0.5 — %V o Line Regulation Reg line Over Vin range — ±5 ±10 mV Load Regulation Reg load Over Io range — ±5 ±10 mV T otal Output Voltage Variation ∆Votot Includes set-point, line, load, —± 2± 3% V o–40° ≤Ta ≤ +85°C Efficiency η Io =9A V o =3.3V — 91 — Vo =2.5V — 88 — Vo =1.2V — 78 — Vo =1.0V — 75 — Vo Ripple (pk-pk) V r 20MHz bandwidth — 35 — mV pp Transient Response t tr 5A/µs load step, 50% to 100% Iomax — 50 — µs ∆Vtr Vo over/undershoot — ±100 — mV Over-Current Threshold I TRIP Reset, followed by auto-recovery — 20 32 A Switching Frequency ƒ s Over Vin and Io range 300 350 400 kHz Remote On/Off (Pin 2) Referenced to –V in (pin 8) Input High Voltage V IH +2.0 — Open (3) V Input Low Voltage V IL –0.1 — +0.4 Input Low Current I IL — –0.5 – mA Standby Input Current I in standby pins 2 & 8 connected — 25 35 mA External Output Capacitance C out See application schematic 330 — 15,000 µF External Input Capacitance C in See application schematic 1,000 — — µF Operating T emperature Range T a Over Vin range -40 (4) — +85 (5) °C Storage T emperature T s — -40 — +125 °C Reliability MTBF Per Bellcore TR-332 5.4 — — 10 6 Hrs50% stress, Ta =40°C, ground benign Mechanical Shock — Per Mil-Std-883D, method 2002.3, — 500 — G’s 1ms, half-sine, mounted to a fixture Mechanical Vibration — Mil-Std-883D, Method 2007.2, Suffix A — 15 (6) — G’s20-2000Hz, soldered in PCB Suffix C — 20 (6) — Weight — — 23 — grams Flammability — Materials meet UL 94V-0 Notes: (1) The ISR will operate at no load with reduced specifications. (2) If the remote sense feature is not being used, connect the Remote Sense Gnd (pin 7) to GND (pin 8) for optimum output voltag e accuracy. (3) The STBY* control (pin 2) has an internal pull-up and if it is left open circuit the module will operate when input power is applied. The open-circuit voltage is typcially 12.6V, and maybe as high as 15V. Consult the related application note for other interface considerations. (4) For operation below 0°C, Cin and Cout must have stable characteristics. Use either low ESR tantalum or Oscon® capacitors. (5) See Safe Operating Area curves or contact the factory for the appropriate derating. (6) The case pins on through-hole package types (suffixes N & A) must be soldered. For more information consult the applicable p ackage outline drawing. Input/Output Capacitors: The PT6715 series requires a 1,000µF electrolytic (or tantalum) capacitor at the input and 330µF at the output for proper oper ation in all applications. In addition, the input capacitance, Cin, must be rated for a minimum of 2Arms of ripple current. For transien t or dynamic load applications additional capacitance may be necessary. For more information consult the related application note on capacitor recommendations . Input Inductor: An input filter inductor is optioinal for most applications. The inductor must be sized to handle 10ADC with a typical value o f 1µH.

For technical support and more information, see inside back cover or visit www.ti.com Note A: Characteristic data has been developed from actual products tested at 25°C. This data is considered typical data for the Converter. Note B: SOA curves represent the conditions at which internal components are at or below the manufacturer’s maximum operating temperatures Typical Characteristics Characteristic Data; Vin =5.0V (See Note A) Characteristic Data; Vin =3.3V (See Note A) Efficiency vs Output Current Efficiency vs Output Current Power Dissipation vs Output Current Power Dissipation Output Current Safe Operating Area; 3.3V (See Note B) Safe Operating Area; Vin =5V (See Note B) Output Ripple vs Output Current Output Ripple vs Output Current PT6715 Series 13-A 5V/3.3V-Input Adjustable Integrated Switching Regulator 02468 1 0 1 2 Iout (A ) Ambient Temperature (°C) 200LFM 120LFM 60LFM Nat conv Airflow 02468 1 0 1 2 Iout (A ) Ambient Temperature (°C) 200LFM 120LFM 60LFM Nat conv Airflow 100 02468 1 0 1 2 Iout (A ) Efficiency - % 3.3V 2.5V 1.8V 1.5V 1.2V 1.0V VOUT 02468 1 0 1 2 Iout (A ) Ripple - mV 2.5V 3.3V 1.8V 1.5V 1.2V 1.0V VOUT 02468 1 0 1 2 Iout (A ) Pd - Watts 1.2V 3.3V 2.5V 1.8V 1.0V 1.5V V OUT 100 02468 1 0 1 2 Iout (A ) Efficiency - % 1.8V 1.5V 1.2V 1.0V VOUT 02468 1 0 1 2 Iout (A ) Ripple - mV 1.5V 1.8V 1.2V 1.0V VOUT 02468 1 0 1 2 Iout (A ) Pd - Watts 1.2V 1.0V 1.8V 1.5V VOUT

For technical support and more information, see inside back cover or visit www.ti.com Application Notes Using the On/Off Standby Function on the PT6705/6715 Excalibur™ Series of ISRs The PT6705 and PT6715 regulator series are non- programmable (preset voltage) versions of the PT6701, PT6702, and PT6703 products. The PT6705/6715 series of products incorporate an on/ off ‘standby’ function, which may be used disable the regulator output. The standby function is provided by the STBY* control, pin 2. If pin 2 is left open-circuit the regulator operates normally, and provides a regulated output when a valid supply voltage is applied to V in (pins 4–6) with respect to GND (pins 8–12). If pin 2 is connected to ground, the regulator output is disabled and the input current drawn by the ISR typically drops to its idle value 1. The standby control may also be used to hold-off the regulator output during the period that input power is applied. Pin 2 is ideally controlled with an open-collector (or open-drain) discrete transistor (See Figure 1-1 2). The open-circuit voltage will be approximately 12.0V. Table 1-1 gives the circuit parameters for this control input. Table 1-1 Standby Control Requirements (3, 4) Parameter Min Typ Max Enable (VIH) — Open Circuit Disable (VIL) –0.2V 0.4V Istby (pin 2 =ground) –0.5mA Vstby (open circuit) 12.0V 15.0V Figure 1-1 Turn-On Time: In the circuit of Figure 1-1, turning Q 1 on applies a low voltage to pin 2 and disables the regulator output. Correspondingly, turning Q 1 off removes the low- voltage signal and enables the output 5. Once enabled, the output will typically experience a 10–15ms delay followed by a predictable ramp-up of voltage. The regulator pro- vides a fully regulated output within 40ms. The waveforms of Figure 1-2 show the rise of both the output voltage and input current for a PT6706 (2.5V). The turn off of Q 1 corresponds to the rise of V stby. The waveform was measured with a 5-Vdc input voltage and an 8-ADC load. Figure 1-2 PT6705 & PT6715 Series PT6705 Sns(+) Sns(-) V OUT GND Vo(adj) V IN Stby* V Bias 13–16 718–12 4,5,6 C OUT C IN STBY +V in GND GND V out BSS138 +12V (PT6705 Series Only) Notes: 1. When the regulator output is disabled the current drawn from the +Vin input source is typically reduced to 25mA for the PT671x series, and to less than 100µA for the PT670x series. 2. Figure 1-1 is an application schematic for the PT670x models. This shows the requirement for an external +12V bias supply. The +12V bias is not required for the PT671x models. For more details, consult the applicable product data sheet. 3. The standby control input requires no external pull-up resistor. The open-circuit voltage of the STBY* pin is approximately 12.0V. 4. The standby control input is Not compatible with TTL devices that incorporate a totem-pole output drive. Use only a true open-collector device, preferably a discrete bipolar transistor (or MOSFET). T o ensure the regulator output is disabled, the control pin must be pulled to less than 0.4Vdc with a low-level 0.5mA sink to ground.

5 After Q

1 in Figure 1-1 is turned off and before the output begins to rise, the regulator output will assert a low impedance to ground. If an external voltage is applied to the output it will sink current and possibly over-stress the part. /DIV Vo (1V / DIV) Iin (2A / DIV) Vstby (10V / DIV)

For technical support and more information, see inside back cover or visit www.ti.com PT6705/PT6715 Series Adjusting the Output Voltage of the PT6705 and PT6715 Excalibur™ Series of Regulators Both the PT6705 and PT6715 series ISRs are non- programmable versions of the PT6700 Excalibur™ family of converters. The output voltage of these regula- tors have a fixed output voltage, which may be adjusted higher or lower than the factory pre-set voltage using a single external resistor. T able 2-1 gives the adjustment range for each model in the series as V a (min) and Va (max). Adjust Up: An increase in the output voltage is obtained by adding a resistor R2, between pin 1 (Vo Adjust) and pin 7 (Remote Sense GND). Adjust Down: Add a resistor (R1), between pin 1 (Vo Adjust) and pin 17 (Remote Sense Vout). Refer to Figure 2-1 and T able 2-2 for both the placement and value of the required resistor, either (R1) or R2 as appropriate. Figure 2-1 Notes: 1. Use only a single 1% resistor in either the (R1) or R2 location. Place the resistor as close to the regulator as possible. 2. Never connect capacitors from Vo Adjust to either GND, Vout, or the Remote Sense pins. Adding capacitance to the Vo Adjust pin will affect the stability of the ISR. 3. If the Remote Sense feature is not being used, pin 7 must be connected to pin 8 for optimum output voltage accuracy. Correspondingly the resistors (R1) and R2 may be then be connected from Vo Adjust to either Vout or GND respectively. L O A D (R1) Adj Down Adjust Up C out C in COM +5V Vo COM PT6705/PT6715 Sns(+) Sns(-) V out GND Vo(adj) V in Stby* V Bias 13 – 16 718 – 12 4,5,6 Bias (Req'd for PT6705) The values of (R1) [adjust down], and R 2 [adjust up], can also be calculated using the following formulas. Ro ( Va –Vr )(R1) = Vo – Va – Rs kΩ Ro ·Vr – Rs kΩR2 = Va – Vo Where: V o = Original output voltage Va = Adjusted output voltage Vr = Reference voltage (Table 2-1) Ro = Resistance constant (T able 2-1) Rs = Internal series resistance (Table 2-1) 4. The PT6705 series requires a 12V external bias voltage in order to operate (see data sheet). An external bias voltage is not required for the PT6715 series. 5. Adjusting the output voltage of the PT6705 and PT6715 (3.3V output) higher than the factory pre-set voltage may require an increase in the minimum input voltage. These two models must comply with the following requirements for V in(min). PT6705: Vin(min) = (V a + 1)V PT6715: Vin(min) = (V a + 1)V or 4.5V, whichever is greater.

For technical support and more information, see inside back cover or visit www.ti.com Application Notes continued PT6705/PT6715 Series Series Pt # 12V Bias (4) —— PT6708 PT6707 No Bias PT6714 PT6719 PT6718 PT6717 Vo (nom) 1.0V 1.2V 1.5V 1.8V Va (req’d) 0.950 (5.1)kΩ 0.975 (45.1)kΩ 1.000 1.025 295.0k Ω 1.050 135.0k Ω 1.075 81.8k Ω 1.100 55.1k Ω (5.1)kΩ 1.125 39.1k Ω (18.4)kΩ 1.150 28.4k Ω (45.1)kΩ 1.175 20.8k Ω (125.0)kΩ 1.200 15.1k Ω 1.225 10.7k Ω 295.0kΩ 1.250 7.1k Ω 135.0kΩ 1.275 4.2k Ω 81.8kΩ 1.300 1.8k Ω 55.1kΩ 1.325 39.1k Ω 1.350 28.4k Ω 1.375 20.8k Ω 1.400 15.1k Ω 1.425 10.7k Ω 1.450 7.1k Ω 1.475 4.2k Ω (32.1)kΩ 1.50 1.8k Ω 1.55 204.0k Ω 1.60 77.1k Ω 1.65 34.8k Ω 1.70 13.6k Ω 1.75 (46.1)kΩ 1.80 1.85 204.0k Ω 1.90 77.1k Ω 1.95 34.8k Ω 2.00 13.6k Ω R1 = (Blue) R2 = Black Table 2-1 ADJUSTMENT RANGE AND FORMULA PARAMETERS Series Pt # 12V Bias (4) —— PT6708 PT6707 PT6706 PT6705 No Bias PT6714 PT6719 PT6718 PT6717 PT6716 PT6715 Table 2-2 ADJUSTMENT RESISTOR VALUES Series Pt # 12V Bias (4) PT6706 PT6705 No Bias PT6716 PT6715 Vo (nom) 2.5V 3.3V Va (req’d) 2.25 (6.0)kΩ 2.3 (18.3)kΩ 2.35 (38.8)kΩ 2.4 (79.8)kΩ 2.45 (203.0)kΩ 2.5 2.55 221.0k Ω 2.6 93.8k Ω 2.65 51.5k Ω 2.7 30.3k Ω 2.75 17.6k Ω 2.8 9.1k Ω 2.85 3.1k Ω 2.75 (2.0)kΩ 2.80 (5.7)kΩ 2.85 (10.2)kΩ 2.90 (15.9)kΩ 2.95 (23.1)kΩ 3.00 (32.8)kΩ 3.05 (46.3)kΩ 3.10 (66.6)kΩ 3.15 (100.0)kΩ 3.20 (168.0)kΩ 3.25 (371.0)kΩ 3.30 3.35 229.0k Ω 3.40 102.0k Ω 3.45 59.8k Ω 3.50 ( Note 5) 38.6k Ω 3.55 25.9k Ω 3.60 17.4k Ω 3.65 11.4k Ω 3.70 6.9k Ω 3.75 3.3k Ω

For technical support and more information, see inside back cover or visit www.ti.com Table 3-1 Capacitors Characteristic Data Capacitor Recommendations for the Non-Isolated 13-A Excalibur™ Series of Regulators Input Capacitors The recommended input capacitor(s) is determined by the 2 ampere (rms) minimum ripple current rating and 1,000µF minimum capacitance. Ripple current and ≤100mΩ ESR (Equivalent Series Resistance) values are the major considerations, along with temperature, when selecting the proper capacitor. Tantalum capacitors have a recommended minimum voltage rating of 2 × the input voltage; 10V for +5V operation. Output Capacitors The minimum required output capacitance is 330µF with a maximum ESR ≤100mΩ . Failure to observe this requirement may lead to regulator instability or oscilla- tion. Electrolytic capacitors have poor ripple performance at frequencies greater than 400kHz, but excellent low frequency transient response. Above the ripple frequency ceramic decoupling capacitors are necessary to improve the transient response and reduce any high frequency noise components apparent during higher current excur- sions. Preferred low ESR type capacitor part numbers are identified in Table 3-1 below. Tantalum Characteristics Tantalum capacitors with a minimum 10V rating are recommended for the input bus, but only the AVX TPS, Sprague 594/595, or Kemet T495/T510 series. These types are recommended over many others due to their higher surge current, power dissipation and ripple cur- rent capability. As a caution, the TAJ series by AVX is not recommended. This series exhibits considerably higher ESR, reduced power dissipation and lower ripple current capability. The TAJ Series is also less reliable compared to the TPS series when determining power dissipation capability. Tantalum capacitors are highly recommended in applications where ambient tempera- tures fall below 0°C. Capacitor Table Table 3-1 identifies the characteristics of capacitors from a number of vendors with acceptable ESR and ripple cur- rent (rms) ratings. The suggested minimum quantities per regulator for both the input and output buses are iden- tified. This is not an extensive capacitor list. Capacitors from other vendors are available with comparable specifications. Those listed are for guidance. The RMS ripple curr ent rating and ESR (Equivalent Series Resistance at 100kHz) are the critical parameters to insure both optimum regulator performance and long capacitor life. PT6701/PT6702/PT6703, PT6705 & PT6715 Series rodneVroticapaC seireS scitsiretcarahCroticapaCy titnauQ gnikroW egatloV )Fµ(eulaVt nelaviuqE)RSE( ecnatsiseRseireS mumixaMC°58 elppiR )smrI(tnerruC lacisyhP )mm(eziS tupnI suB tuptuO suB rebmuNrodneV cinosanaP )tnuoMecafruS(KF/CF )laidaR(CF V52 V53 V52 V52 0001 033 033 0021 830.0 Ω 080.0 Ω 090.0 Ω 830.0 Ω Am0002 Am058 Am557 Am0002 81 × 5.61 01 × 2.01 01 × 5.21 81 × 51 N201E1CFVEE P133V1KFVEE 133E1CFUEE S221E1CFUEE noC-imehCdetinU )laidaR(VXL )tnuoMecafruS(XF V52 V53 V61 V01 033 0021 0072 086 480.0 Ω 820.0 Ω 820.0 Ω 510.0 2÷Ω 700.0= Ω Am528 Am0702 Am0702 Am0007> 01 × 61 61 × 52 61 × 52 01 × 5.01 LL61X01M133BV52VXL LL52X61M221BV53VXL LL52X61M272BV61VXL )noc-sO(M086XF01 nocihciN seireSLP seireSMP V52 V52 V52 033 0022 033 590.0 Ω 820.0 Ω 590.0 Ω Am057 Am0502 Am057 01 × 51 81 × 02 01 × 51 6HPM133E1LPU 6HHM222E1LPU 6HPM133E1MPU :noc-sO SS )tnuoMecafruS(PVS V01 V01 033 033 520.0 ÷Ω 800.0=3 Ω 520.0 ÷Ω 800.0=3 Ω Am0007> Am0007> 01 × 5.01 3.01 × 11 M033SS01 033PVS01 mulatanaTXVA seireSSPT )tnuoMecafruS( V01 V01 033 033 001.0 ÷Ω 430.0=3 Ω 060.0 ÷Ω 020.0=3 Ω Am0053> Am0053> L0.7 × W79.5 × H54.3 0010R010M733VSPT 0600R010M733VSPT mulatnaTeugarpS/yahsiV seireSD495/D595 )tnuoMecafruS( V01 V01 033 086 540.0 ÷Ω 510.0=3 Ω 090.0 ÷Ω 4 = 320.0 Ω Am0064> Am0052> L2.7 × W0.6 × H5.3 T2R0100X733D495 T2R0100X786D595 mulatnaTtemeK seireS594T/015T )tnuoMecafruS( V01 V01 033 022 530.0 ÷Ω 210.0=3 Ω 070.0 ÷Ω 530.0=5 Ω Am0005> Am0003> L3.7 × W3.4 × H0.4 SA010M733X015T SA010M722X594T pacsoPoynaS )tnuoMecafrus(BPT V010 220 40.0 ÷Ω 800.0=5 Ω Am0003>L 2.7 × W3.4 × H1.3

52 M 022BPT01

www.ti.com 2-Feb-2014 Addendum-Page 1 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/Ball Finish (6) MSL Peak Temp (3) Op Temp (°C) Device Marking (4/5) Samples PT6715A OBSOLETE SIP MODULE EMA 17 TBD Call TI Call TI -40 to 85 (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device. (6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish value exceeds the maximum column width. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.

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