TLT807B0EPV INFINEON | Alldatasheet
Document overview
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- PDF pages: 18
Technical content
Features
- Adjustable output voltage at ±2% accu racy for output current up to 70 mA
- Very low current consumption: typically 36 µA
- Very low dropout voltage
- Input voltage up to 42 V
- Overvoltage protection up to 58 V (< 400 ms)
- Enable input, active high
- Protection functions: – Output current limitation for over load and short circuit conditions – Reverse polarity protection – Overtemperature shutdown
- Wide temperature range -40°C to 150°C
- Green product (RoHS compliant)
- AEC qualified
Applications
- 24 V applications, such as: – Truck applications – Commercial Agricultural Vehicle (CAV) applications – Construction vehicle applications
- Applications that are permanently connected to the battery
Description
The TLT807B0 is a monolithic integrated low dropout adjustable voltage regulator in a small surface mounted package for the harsh environment of automotive applications. Type Package Marking TLT807B0EPV PG-TSDSO-14 T807B0
Data Sheet 2 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Table of contents
Data Sheet 3 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Block diagram
2 Block diagram
Data Sheet 4 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Pin configuration
3 Pin configuration
3.1 Pin assignment PG-TSDSO-14
3.2 Pin definitions and functions PG-TSDSO-14
Pin No. Symbol Function 1I Input In order to compensate line influence, it is recommended to connect a small ceramic capacitor (for example 100 nF) to GND, close to the pins. 4E N Enable input with integrated pull-down resistor.
- “high” signal enables the TLT807B0
- “low” signal disables the TLT807B0 7G N D Ground
11 ADJ Voltage adjustment
Connect a resistive divider to determine the output voltage.
14 Q Output
Connect an output capacitor CQ to GND close to the pins. CQ must maintain the capacitance and ESR values specified in “Functional range” on Page 6 2, 3, 5, 6, 8, 9, 10, 12, 13 N.C. Not connected Exposed Pad EP Exposed pad Connect to GND and heatsink area PG- SSOP14_PinOut.vsd I N.C. N.C. N.C. Q N.C. GND EN N.C. ADJ N.C. N.C. N.C. N.C.
Data Sheet 5 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications General product characteristics
4 General product characteristics
4.1 Absolute maximum ratings
Note: 1. Stresses above the ones listed he re may cause permanent damage to the device. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2. Integrated protection functions are designed to preven t IC destruction under fault conditions described in the data sheet. Fault conditions are considered as “outside” normal operating range. Protection functions are not designed for continuous repetitive operation. Table 1 Absolute maximum ratings 1) Tj = -40°C to 150°C; all voltages with respect to ground (unless otherwise specified) 1) Not subject to production test, specified by design Parameter Symbol Values Unit Note or Test Condition Number Min. Typ. Max. Input I, Enable EN Voltage VI, VEN -42 – 45 V – P_4.1.1 Voltage VI, VEN -42 – 58 V t < 400 ms P_4.1.2 Output Q Voltage VQ -0.3 – 36 V – P_4.1.3 Adjust ADJ Voltage VADJ -0.3 – 16 V – P_4.1.4 Temperature Junction temperature T Storage temperature Tstg -55 – 150 °C – P_4.1.6 ESD susceptibility ESD susceptibility to GND V ESD,HBM -2 – 2 kV Human Body Model (HBM) 2) 2) ESD susceptibility Human Body Model “H BM” according to AEC-Q100-002 - JESD22-A114 P_4.1.7 ESD susceptibility to GND VESD,CDM -750 – 750 V Charged Device Model (CDM)3) at all pins 3) ESD susceptibility Charged Device Mo del “CDM” according to ESDA STM5.3.1 P_4.1.8
Data Sheet 6 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications General product characteristics
4.2 Functional range
Note: Within the functional or operatin g range, the IC operates as described in the circuit description. The electrical characteristics are specified within the conditions given in the Electrical Characteristics table.
4.3 Thermal resistance
Note: This thermal data was generated in accord ance with JEDEC JESD51 standards. For more information, go to www.jedec.org. Table 2 Functional range Parameter Symbol Values Unit Note or Test Condition Number Min. Typ. Max. Input voltage range VI 4.7or VQ,nom + Vdr –4 2 V – 1) 1) The minimum input voltage is the higher one of the following values: 4.7 V and VQ,nom + Vdr. P_4.2.1 Output capacitor’s requirements for stability2) 2) Not subject to production test, specified by design. CQ 1– – µ F – 3) 3) The minimum output capacitance requirement is applicable for a worst case capacitance tolerance of 30%. P_4.2.2 Output capacitor’s ESR requirements for stability ESR(CQ) –– 4 Ω – P_4.2.3 Junction temperature Tj -40 – 150 °C – P_4.2.4 Table 3 Thermal Resistance Parameter Symbol Values Unit Note or Test Condition Number Min. Typ. Max. TLT807B0EPV (PG-TSDSO-14) Junction to case1) 1) Not subject to production test, specified by design. RthJC – 14 – K/W Measured to heat slug P_4.3.1 Junction to ambient RthJA – 47 – K/W FR4 2s2p board 2) 2) Specified RthJA value is according to Jedec JESD51-2,-5,-7 at natural convection on FR4 2s2p board; The Product (Chip and package) was simulated on a 76.2 x 114.3 x 1.5 mm³ board with 2 inner copper layers (2 x 70 µm Cu, 2 x 35 µm Cu). Where applicable a thermal via array under the exposed pad contacted the first inner copper layer. P_4.3.2 Junction to ambient RthJA – 143 – K/W FR4 1s0p board, footprint only 3) 3) Specified RthJA value is according to Jedec JESD 51-3 at natural convection on FR4 1s0p board; The Product (Chip and p a c k a g e ) w a s s i m u l a t e d o n a 7 6 . 2×1 1 4 . 3×1 . 5m m3 board with 1 copper layer (1 x 70 µm Cu). P_4.3.3 Junction to ambient RthJA – 66 – K/W FR4 1s0p board, 300 mm² heatsink area 3) P_4.3.4 Junction to ambient RthJA – 56 – K/W FR4 1s0p board, 600 mm² heatsink area 3) P_4.3.5
Data Sheet 7 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Block description and electrical characteristics
5 Block description and electrical characteristics
5.1 Voltage regulation
The output voltage VQ feeds a resistive divider. The fraction volt age from the output of the resistive divider feeds the ADJ pin. The TLT807B0 compar es the voltage at the ADJ pin to an internal voltage reference, and drives the pass transistor accordingly. Stability The control loop stability of the TLT807B0 depends on:
- output capacitor CQ
- l o a d c u r r e n t
- chip temperature To ensure stable operation, the output capacitor CQ must maintain the capacitance and ESR values specified in “Functional range” on Page 6 . For details see the typical performance graph Output capacitor series resistor ESR(CQ) versus Output current IQ. Size the output capacitor according to the application’s needs, so that it can buffer load steps. Compensation for line influence An input capacitor CI is recommended to compensate line influence. An additional reverse polarity protection diode and a combination of several capacitors for filtering should be used. Connect the capacitors close to the pins of the TLT807B0. Current limit If the output current exceeds the specified limit, for example in case of a short circuit, the TLT807B0 limits the output current, which leads to a decrease of the output voltage. Overtemperature shutdown In fault condition, for example due to permanent shor t-circuit at the output, the overtemperature shutdown circuit switches off the power stage to prevent the TLT807B0 from immediate destruction. After the TLT807B0 cools down, the regulator restarts. If the fault conditio n persists, oscillatory ther mal behaviour occurs. As a consequence, the junction temperature exceeds the specified maximum value, which reduces the lifetime of the TLT807B0 significantly.
Data Sheet 8 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Block description and electrical characteristics Figure 3 Block diagram voltage regulation Table 4 Electrical characteristics voltage regulation VI = 28 V; Tj = -40°C to 150°C; all voltages with respect to ground; positive current flowing out of the pin (unless otherwise specified); typical values are given at Tj = 25°C Parameter Symbol Values Unit Note or Test Condition Number Min. Typ. Max. Reference voltage VRef –1 . 2 – V– P_5.1.1 Output voltage accuracy1) 1) Referring to the device tolerance only, the tolerance of th e resistor divider can cause additional deviation. Parameter is tested with the ADJ pin directly connected to the output pin Q. VQ -2 – +2 % 100 µA ≤IQ ≤70 mA, 6V ≤VI ≤36 V, P_5.1.2 Output voltage adjustable range VQ 1.2 – 20 V – P_5.1.3 Dropout voltage Vdr – 250 500 mV IQ =7 0m A , VQ =5V , Vdr = VI – VQ P_5.1.4 Load regulation ΔVQ, load -30 -10 10 mV IQ = 1 mA to 70 mA, VI =6V , VQ =5V P_5.1.5 Line regulation ΔVQ, line -20 5 20 mV Vl =6V t o 3 6V , IQ =1m A , VQ =5V P_5.1.6 Output current limitation IQ,max 71 160 280 mA 2) 2) Measured when the output voltage VQ has dropped 100 mV from the nominal value obtained at VI =2 8V . P_5.1.10 Power Supply Ripple Rejection3) 3) Not subject to production test, specified by design. PSRR –6 0 – d B fr = 100 Hz, Vr = 0.5 Vpp, VQ =5V P_5.1.11 Overtemperature shutdown threshold Tj,sd 151 175 200 °C Tj increasing P_5.1.15 Overtemperature shutdown threshold hysteresis Tj,sdh –1 5 – ° C Tj decreasing P_5.1.16 II IQ CI CQ LOAD Regulated Output Voltage Bandgap Reference GND QI Temperature Shutdown EN Enable Current Limitation ADJ
Data Sheet 9 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Block description and electrical characteristics
5.2 Typical performance characteristics voltage regulation
Maximum Output current IQ,max versus Input voltage VI Dropout voltage Vdr versus Junction temperature Tj Line regulation ΔVQ,line versus Input voltage VI −40 0 50 100 150 1.05 1.1 1.15 1.2 1.25 1.3 Tj [°C] VQ [V] VI = 28 V IQ = 1 mA VQ,nom = 1.2 V 0 10 20 30 40 100 150 200 250 300 VI [V] IQmax [mA] VQ,nom = 5 V Tj = −40 °C Tj = 25 °C Tj = 150 °C −40 0 50 100 150 100 150 200 250 300 350 400 450 500 550 600 Tj [°C] Vdr [mV] IQ = 17.5 mA IQ = 35 mA IQ = 70 mA 10 15 20 25 30 35 −0.5 0.5 1.5 2.5 VI [V] ΔVQ,line [mV] IQ = 1 mA VQ,nom = 5 V Tj = −40 °C Tj = 25 °C Tj = 150 °C
Data Sheet 10 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Block description and electrical characteristics Load regulation ΔVQ,load versus Output current change IQ Output capacitor series resistor ESR(CQ) versus Output current IQ Power Supply Ripple Rejection PSRR versus ripple frequency fr Drop voltage Vdr versus Output current IQ 0 10 20 30 40 50 60 70 −10 IQ [mA] ΔVQ,load [mV] VI = 6 V Tj = −40 °C Tj = 25 °C Tj = 150 °C 0 10 20 30 40 50 60 70 IQ [mA] ESR(CQ) [Ω] CQ = 1 μF VI = 6...42 V −40°C ≤ T ≤ 150°C Stable Region Unstable Region 100 f [kHz] PSRR [dB] IQ = 10 mA CQ = 1 μF VI = 28 V Vripple = 0.5 Vpp Tj = 25 °C VQ,nom = 5 V 0 10 20 30 40 50 60 70 100 200 300 400 500 600 IQ [mA] Vdr [mV] Tj = −40 °C Tj = 25 °C Tj = 150 °C
Data Sheet 11 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Block description and electrical characteristics
5.3 Current consumption
Table 5 Electrical characteristics current consumption VI = 28 V; Tj = -40°C to 150°C; all voltages with respect to ground; positive current flowing out of the pin (unless otherwise specified); typical values are given at Tj = 25°C Parameter Symbol Values Unit Note or Test Condition Number Min. Typ. Max. Current consumption Iq = II Iq,off –– 1 . 5 µ A VEN =0V , Tj < 100°C P_5.3.1 Current consumption Iq = II – IQ Iq –3 6 4 8 µ A IQ = 100 µA, Tj < 85°C P_5.3.2 Current consumption Iq = II – IQ Iq –3 6 5 4 µ A IQ = 100 µA P_5.3.3 Current consumption Iq = II – IQ Iq –46 m A IQ =7 0m A P_5.3.4
Data Sheet 12 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Block description and electrical characteristics
5.4 Typical performance characteristics current consumption
Current consumption Iq versus Output current IQ Current consumption Iq,off versus Junction temperature Tj Current consumption Iq versus Input voltage VI Current consumption Iq versus Junction temperature Tj 0 10 20 30 40 50 60 70 500 1000 1500 2000 2500 3000 3500 4000 IQ [mA] Iq [μA] VI = 28 V Tj = −40 °C Tj = 25 °C Tj = 85 °C Tj = 100 °C −40 0 50 100 0.2 0.4 0.6 0.8 1.2 1.4 1.6 1.8 Tj [°C] Iq,off [μA] 5 10 15 20 25 30 35 40 VI [V] Iq [μA] VIN = 28 V IQ = 100 μA VQ=1.2V Tj = −40 °C Tj = 25 °C Tj = 85 °C Tj = 100 °C −40 0 50 100 150 Tj [°C] Iq [μA] VI = 28 V IQ = 100 μA
Data Sheet 13 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Block description and electrical characteristics
5.5 Enable
The enable feature switches the TLT807B0 on and off via the voltage applied to the EN pin:
- connect a “high” signal (for example battery voltage) to enable the TLT807B0
- connect a “low” signal (for exam ple GND) to disable the TLT807B0 The hysteresis of the enable function prevents the TLT807B0 from toggling between on-state and off-state due to signals with slow slopes at the EN pin. Table 6 Electrical characteristics enable VI = 28 V; Tj = -40°C to 150°C; all voltages with respect to ground; positive current flowing out of the pin (unless otherwise specified); typical values are given at Tj = 25°C Parameter Symbol Values Unit Note or Test Condition Number Min. Typ. Max. Enable “high” level voltage VEN,ON 2– – V– P_5.5.1 Enable “low” level voltage VEN,OFF –– 0 . 8 V Tj ≤125°C1) 1) Not subject to production test, specified by design. P_5.5.2 Enable “low” level voltage VEN,OFF –– 0 . 4 V– P_5.5.3 Enable input current IEN,ON –48 µ A VEN =5V P_5.5.5
Data Sheet 14 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Block description and electrical characteristics
5.6 Typical performance characteristics enable
Enable input current IEN versus Input voltage VEN 0 10 20 30 40 100 150 200 250 VEN [V] IEN [μA] Tj = −40 °C Tj = 25 °C Tj = 150 °C
Data Sheet 15 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications
Application information
6 Application information
Note: The following information is given as a hint for the implementation of the device only and shall not be regarded as a description or warranty of a certain functionality, condition or quality of the device. Figure 4 Application diagram Note: This is a very simplified example of an applicatio n circuit. The function must be verified in the real application. The resistor divider for a specific output voltage can be calculated according to Chapter 6.1. VADJ corrseponds to VRef and is typically 1.2 V. Additionally the sum of the resistor devider should not exceed the value as stated in Equation (6.2). (6.1) (6.2) II IQ CI1 CQ Regulated Output Voltage CI2 VI VQ 10µF 100nF 1µ F e.g. Ignition Bandgap Reference GND QI Temperature Shutdown EN Enable Current Limitation ADJ = VQ VADJ R1 +R2 ≤ 250kΩ
Data Sheet 16 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications Package outlines
7 Package outlines
Green product (RoHS compliant) To meet the world-wide customer requirements for en vironmentally friendly products and to be compliant with government regulations the device is available as a green product. Green products are RoHS-Compliant (i.e. Pb-free finish on leads and suitable for Pb-free soldering according to IPC/JEDEC J-STD-020). ,1'(; 0$; 67$1'2)) & [ 0$5.,1* 6($7,1* 3/$1( &23/$1$5,7< s s s rr s $% & s %27720 9,(: s s [ [ s *$8*( 3/$1( For further information on alternative packages, please visit our website: http://www.infineon.com/packages. Dimensions in mm
Data Sheet 17 Rev. 1.00 2017-05-09 TLT807B0EPV Low dropout adjustable standby voltage regulator for truck applications
Revision history
8 Revision history
1.00 2017-05-09 Data Sheet Initial version
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