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For technical support and more information, see inside back cover or visit www.ti.com/powertrends PT6500 Series 8 Amp 5V/3.3V Input Adjustable ISR with Short-Circuit Protection SLTS034A (Revised 8/23/2000)

  • 8A Single Device Power
  • Up to 90% efficiency (PT6501)
  • Small SIP Footprint
  • Standby Function
  • Internal Short Circuit Protection
  • Over-Temperature Protection
  • Adjustable Output Voltage The PT6500 series is a high perfor- mance +3.1 to 6V input, 8 Amp, 14-Pin SIP (Single In-line-Package) Inte- grated Switching Regulator (ISR). This ISR allows the integration of high-speed, low-voltage Pentium pro- cessors and their support logic into existing 3.3V or 5V systems without redesigning the central power supply. The PT6502 (1.5V) provides the low terminating voltages required by BTL/ Futurebus+, CTT, HP, and GTL Buses from existing 3.3V or 5V power rails.

Ordering Information

PT6501! = 3.3 Volts PT6502! = 1.5 Volts PT6503! = 2.5 Volts PT6504! = 3.6 Volts PT6505! = 1.2 Volts PT6506! = 1.8 Volts PT6507! = 1.3 Volts PT6508! = 1.7 Volts PT Series Suffix (PT1234X) Case/Pin Heat Tab Configuration Configuration None Side Vertical Through-Hole NR Horizontal Through-Hole AG Horizontal Surface Mount CB Standard Application C1 = Required 330µF electrolytic * C2 = Required 330µF electrolytic * * See footnotes PT6500 11,12,13 7,8,9,10 4,5,6 C 2 C 1 LOAD V oADJ V IN STBY COM V OUT COM V oSENSE Pin-Out Information Pin Function

1 Remote Sense

2 Do not connect

3 STBY*-Standby

7 GND

8 GND

9 GND

10 GND

11 V out

12 V out

13 V out

14 V out Adjust

Pkg Style 400†3.3V Input Bus Capable Specifications Characteristics PT6500 SERIES (Ta=25°C unless noted) Symbols Conditions Min Typ Max Units Output Current I o Over Vin range 0.1 (1) — 8.0 A Current Limit I cl Vin=+5V — 13.0 20.0 A Short Circuit Current I sc Vin=+5V — 15.0 — Apk V o≤1.8V 3.1 — 6 V Vo=3.6V 4.8 — 6 Output Voltage Tolerance ∆Vo Vin = +5V, Io = 8.0A V o-0.1 — V o+0.1 V Ta = 0 to +70°C Line Regulation Reg line 4.5V ≤ Vin ≤ 6.0V, Io = 8.0A V o ≥3.3V — ±7 ±17 3.1V ≤ Vin ≤ 6.0V, Io = 8.0A V o ≤1.8V — ±3 ±8 mV 4.5V ≤ Vin ≤ 6.0V, Io = 8.0A V o =2.5V ±7 ±13 Load Regulation Reg load 0.1 ≤ Io ≤ 8.0A, Vin = +5V V o ≥3.3V — ±17 ±33 Vo ≤1.8V — ±12 ±23 mV Vo =2.5V ±13 ±25 Vo Ripple/Noise V n Vin = +5V, Io = 8.0 Amp — 50 — mVpp Transient Response ttr Io step from 4A to 8.0A — 100 — µsec with Co = 330µF V os Vo over/undershoot — 150 — mV Efficiency η Vin = +5V, Io = 3.0A V o ≥3.3V — 90 — Vo =2.5V — 85 — Vo =1.8V — 78 — % Vo =1.5V — 76 — Vo =1.2V — 67 — Vin = +5V, Io = 8.0A V o ≥3.3V — 83 — Vo =2.5V — 76 — Vo =1.8V — 74 — % Vo =1.5V — 68 — Vo =1.2V — 65 — Switching Frequency ƒ o Over Vin and Io ranges 475 600 725 kHz Absolute Maximum T a –40 (3) —+ 8 5 (4) °C Operating Temperature Range Thermal Resistance θja Free Air Convection (40-60LFM) — 15 — °C/W Continued

For technical support and more information, see inside back cover or visit www.ti.com/powertrends PT6500 Series 8 Amp 5V/3.3V Input Adjustable ISR with Short-Circuit Protection Note A: All data listed in the above graphs has been developed from actual products tested at 25°C. This data is considered typical data for the ISR. PT6501, 3.3 VDC, V in=5.0V (See Note A) PT6502, 1.5 VDC, V in=5.0V (See Note A) PT6503, 2.5 VDC, V in=5.0V (See Note A) Efficiency vs Output Current Efficiency vs Output Current Efficiency vs Output Current Ripple vs Output Current Ripple vs Output Current Ripple vs Output Current Power Dissipation vs Output CurrentPower Dissipation vs Output Current Power Dissipation vs Output Current 012345678 Iout-(Amps) Pd-(Watts) 6.0V 5.5V 5.0V 4.5V Vin 012 345678 Iout-(Amps) Pd-(Watts) 6.0V 5.0V 4.5V 4.0V 3.5V 3.1V Vin 012345678 Iout-(Amps) Pd-(Watts) 6.0V 5.5V 5.0V 4.5V 4.0V Vin 100 012345678 Iout-(Amps) Efficiency-% 4.5V 5.0V 5.5V 6.0V Vin 100 012345678 Iout-(Amps) Efficiency-% 3.1V 3.5V 4.0V 4.5V 5.0V 6.0V Vin 100 012345678 Iout-(Amps) Efficiency-% 4.0V 4.5V 5.0V 5.5V 6.0V Vin 012345678 Iout-(Amps) Ripple-(mV) 6.0V 5.5V 5.0V 4.5V Vin 01 2345678 Iout-(Amps) Ripple-(mV) 3.1V 3.5V 4.0V 4.5V 5.0V 6.0V Vin 012345678 Iout-(Amps) Ripple-(mV) 6.0V 5.5V 5.0V 4.5V 4.0V Vin Specifications (continued) Characteristics PT6500 SERIES (Ta=25°C unless noted) Symbols Conditions Min Typ Max Units Storage Temperature T s — -40 — +125 °C Mechanical Shock Per Mil-STD-883D, Method 2002.3, — 500 — G’s 1msec, half sine, fixture mounted Mechanical Vibration Per Mil-STD-883D, Methode 2007.2, — 7.5 — G’s 20-20,000 Hz, soldered ina PC board Weight — 23 — grams Notes: (1) ISR will operate down to no load with reduced specifications. (2) The minimum input voltage required by the part is Vout +1.2V or 3.1V, whichever is greater. (3) For operation below 0°C, use tantalum capacitors. For more information see the related applicatoin note, “PT6000/7000 Series Capacitor Recommendations.” (4) See Thermal Derating charts. Input/Output Capacitors: The PT6500 series requires a 330µF electrolytic or tantalum input and output capacitor for proper operation in all applicatio ns. C 1 (input)

For technical support and more information, see inside back cover or visit www.ti.com/powertrends Vin-(Volts) Iout-(Amps) 50˚C 35˚C 25˚C 60˚C70˚C 85˚C Vin-(Volts) Iout-(Amps) 35˚C 50˚C 70˚C 85˚C Vin-(Volts) Iout-(Amps) 70˚C 85˚C 60˚C Vin-(Volts) Iout-(Amps) 50˚C 85˚C 70˚C 60˚C Vin-(Volts) Iout-(Amps) 85˚C 70˚C Vin-(Volts) Iout-(Amps) 85˚C 70˚C 3 3.5 4 4.5 5 5.5 6 Vin-(Volts) Iout-(Amps) 50˚C60˚C 70˚C 85˚C 3 3.5 4 4.5 5 5.5 6 Vin-(Volts) Iout-(Amps) 50˚C 60˚C70˚C 85˚C 3 3.5 4 4.5 5 5.5 6 Vin-(Volts) Iout-(Amps) 70˚C 85˚C 3 3.5 4 4.5 5 5.5 6 Vin-(Volts) Iout-(Amps) 50˚C 85˚C 70˚C 60˚C Vin-(Volts) Iout-(Amps) 3 3.5 4 4.5 5 5.5 6 85˚C 70˚C Vin-(Volts) Iout-(Amps) 3 3.5 4 4.5 5 5.5 6 85˚C 70˚C Thermal Derating (Ta) (See Note B) Note B: Thermal derating graphs are developed in different air flow rates as indicated on each graph, with or without the heat tab, soldered in a printed circuit board. Thermal Derating (Ta) (See Note B) Heat Tab Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B) PT6502 No Heat Tab Thermal Derating (Ta) (See Note B) Heat Tab Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B) PT6500 Series Thermal Data THERMAL DERATING CURVES Air Flow (LFM) 60 200 300 PT6501 No Heat Tab

For technical support and more information, see inside back cover or visit www.ti.com/powertrends THERMAL DERATING CURVES Air Flow (LFM) 60 200 300 PT6503 No Heat Tab Note B: Thermal derating graphs are developed in different air flow rates as indicated on each graph, with or without the heat tab, soldered in a printed circuit board. Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B) Heat Tab Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B) PT6500 Series Thermal Data 4.5 5 5.5 6 Vin-(Volts) Iout-(Amps) 50˚C 60˚C 70˚C 85˚C Vin-(Volts) Iout-(Amps) 85˚C 70˚C Vin-(Volts) Iout-(Amps) 70˚C 85˚C Vin-(Volts) Iout-(Amps) 85˚C 70˚C 60˚C 50˚C Vin-(Volts) Iout-(Amps) 85˚C 70˚C Vin-(Volts) Iout-(Amps) 85˚C 70˚C

For technical support and more information, see inside back cover or visit www.ti.com/powertrends PT6500 Series Adjusting the Output Voltage of the PT6500 5V/3.3V Bus Converters The output voltage of the Power Trends PT6500 Series ISRs may be adjusted higher or lower than the factory trimmed pre-set voltage with the addition of a single external resistor. Table 1 accordingly gives the allowable 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 14 (Vo ad- just) and pins 7-10 (GND). Adjust Down: Add a resistor (R1), between pin 14 (Vo adjust) and pins 11-13 (Vout). Refer to Figure 1 and Table 2 for both the placement and value of the required resistor, either (R1) or R2 as appropriate. Notes: 1. Use only a single 1% resistor in either the (R1) or R2 location. Place the resistor as close to the ISR as possible. 2. Never connect capacitors from V o adjust to either GND, Vout, or the Remote Sense pin. Any capacitance added to the Vo adjust pin will affect the stability of the ISR. 3. If the Remote Sense feature is being used, connecting the resistor (R1) between pin 14 (Vo adjust) and pin 1 (Remote Sense) can benefit load regulation. 4. The minimum input voltage required by the part is Vout + 1.2 or Vin(min) from Table 1, whichever is higher. Figure 1 C 1 C 2 (R1) Adj Down Adjust Up Vo COM Vin COM PT6500 11,12,13 147,8,9,10 4,5,6 V in V out GND V o(adj)STBY V o(sense) L O A D The values of (R1) [adjust down], and R2 [adjust up], can also be calculated using the following formulae. Ro (Va – 1.0)(R1) = (Vo – Va) – Rs kΩ Ro – Rs kΩR2 = Va - Vo Where: Vo = Original output voltage Va = Adjusted output voltage Ro = The resistance value in Table 1 Rs = The series resistance from Table 1 Table 1 PT6500 ADJUSTMENT AND FORMULA PARAMETERS Series Pt # PT6505 PT6507 PT6502 PT6508 PT6506 PT6503 PT6501 PT6504

For technical support and more information, see inside back cover or visit www.ti.com/powertrends Application Notes continued PT6500 Series Table 2 PT6500 ADJUSTMENT RESISTOR VALUES Series Pt # PT6505 PT6507 PT6502 PT6508 PT6506 PT6503 PT6501 PT6504 Va (req’d) 1.15 (5.5)kΩ 1.2 (3.0)kΩ 1.25 47.8k Ω (10.5)kΩ 1.35 14.6k Ω 47.8kΩ (3.8)kΩ 3.3 2.0kΩ (64.6)kΩ 3.4 1.3kΩ 109.0kΩ (108.0)kΩ 3.5 0.8kΩ 48.4kΩ (238.0)kΩ 3.6 28.2kΩ 3.7 18.2kΩ 87.9kΩ 3.8 12.1kΩ 37.9kΩ 4.0 5.2kΩ 12.9kΩ 4.1 3.0kΩ 7.9kΩ 4.2 1.3kΩ 4.6kΩ 4.3 2.2kΩ R1 = (Blue) R2 = Black

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 PT6501C OBSOLETE SIP MODULE EEC 14 TBD Call TI Call TI PT6502A OBSOLETE SIP MODULE EEA 14 TBD Call TI Call TI PT6503C OBSOLETE SIP MODULE EEC 14 TBD Call TI Call TI PT6506E OBSOLETE SIP MODULE EEC 14 TBD Call TI Call TI PT6506F OBSOLETE SIP MODULE EEF 14 TBD Call TI Call TI PT6506N OBSOLETE SIP MODULE EED 14 TBD Call TI Call TI PT6507A OBSOLETE SIP MODULE EEA 14 TBD Call TI Call TI 0 to 70 PT6507B OBSOLETE SIP MODULE EEK 14 TBD Call TI Call TI 0 to 70 PT6507C OBSOLETE SIP MODULE EEC 14 TBD Call TI Call TI 0 to 70 PT6507F OBSOLETE SIP MODULE EEF 14 TBD Call TI Call TI 0 to 70 PT6507G OBSOLETE SIP MODULE EEG 14 TBD Call TI Call TI 0 to 70 PT6507L OBSOLETE SIP MODULE EEL 14 TBD Call TI Call TI 0 to 70 PT6507M OBSOLETE SIP MODULE EEM 14 TBD Call TI Call TI 0 to 70 PT6507N OBSOLETE SIP MODULE EED 14 TBD Call TI Call TI 0 to 70 PT6507Q OBSOLETE SIP MODULE EEQ 14 TBD Call TI Call TI 0 to 70 PT6507R OBSOLETE SIP MODULE EEE 14 TBD Call TI Call TI 0 to 70 PT6508A OBSOLETE SIP MODULE EEA 14 TBD Call TI Call TI PT6508B OBSOLETE SIP MODULE EEK 14 TBD Call TI Call TI PT6508C OBSOLETE SIP MODULE EEC 14 TBD Call TI Call TI PT6508F OBSOLETE SIP MODULE EEF 14 TBD Call TI Call TI PT6508G OBSOLETE SIP MODULE EEG 14 TBD Call TI Call TI PT6508L OBSOLETE SIP MODULE EEL 14 TBD Call TI Call TI PT6508M OBSOLETE SIP MODULE EEM 14 TBD Call TI Call TI PT6508N OBSOLETE SIP MODULE EED 14 TBD Call TI Call TI PT6508Q OBSOLETE SIP MODULE EEQ 14 TBD Call TI Call TI PT6508R OBSOLETE SIP MODULE EEE 14 TBD Call TI Call TI (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.

www.ti.com 2-Feb-2014 Addendum-Page 2 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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