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TLE42712GATMA1

Public Made by Adom

by adom

Infineon Technologies Linear Voltage Regulators (LDO), TO-263-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TLE42712GATMA1

Infineon Technologies · Linear Voltage Regulators (LDO) · TO-263-7

TLE42712GATMA1 from Infineon Technologies, in a TO-263-7. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 I power_in Input supply, operating range 6 V to 40 V (abs max -42 V to 42 V, 65 V for t ≤ 400 ms); block to ground directly at the IC with a ceramic capacitor.
2 INH input Inhibit input that switches the regulator off when below the turn-off voltage (VL,INH 0.8 V to 3.3 V) and on above the turn-on voltage (VU,INH 1.0 V to 3.5 V); abs max -42 V to 42 V.
3 RO output Reset output, open collector connected to the 5 V output via an integrated 30 kΩ resistor.
4 GND power_in Ground.
5 D passive Reset delay pin; connect a capacitor to ground to set the reset delay and watchdog timing (abs max -0.3 V to 7 V).
6 WI input Watchdog input monitoring the connected controller, with rising edges required within the watchdog period to avoid reset (abs max -0.3 V to 7 V).
7 Q power_out 5 V regulated output (4.90 V to 5.10 V); block to ground with a 22 µF capacitor, ESR < 3 Ω.
8 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Infineon Technologies
Package TO-263-7
Category Power Supply Chip
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Output voltage VQ 4.9 5 5.1 V IQ = 5 mA to 550 mA; VI = 6 V to 26 V 7
Output current limiting IQmax 650 800 mA VQ = 0 V 7
Current consumption Iq = II Iq 6 µA VINH = 0 V; IQ = 0 mA 7
Current consumption Iq = II - IQ Iq 1 1.5 mA IQ = 5 mA 7
Current consumption Iq = II - IQ Iq 55 75 mA IQ = 550 mA 7
Current consumption Iq = II - IQ Iq 70 90 mA IQ = 550 mA; VI = 5 V 7
Drop voltage Vdr 350 700 mV IQ = 550 mA 7
Load regulation ∆VQ 25 50 mV IQ = 5 mA to 550 mA; VI = 6 V 7
Supply voltage regulation ∆VQ 12 25 mV VI = 6 V to 26 V; IQ = 5 mA 7
Reset switching threshold VRT 4.5 4.65 4.8 V 7
Reset high voltage VROH 4.5 V 7
Reset saturation voltage VRO,SAT 200 400 mV IR = 3 mA; VQ = 4.4 V 7
Reset pull-up R 18 30 46 kΩ Internally connected to Q 7
Lower reset timing threshold VLD 0.2 0.45 0.8 V VQ < VRT 7
Charge current ID 8 14 25 µA VD = 1.0 V 7
Upper timing threshold VUD 1.4 1.8 2.3 V 7
Delay time tD 8 13 18 ms CD = 100 nF 7
Reset reaction time tRR 3 µs CD = 100 nF 7
Overvoltage turn-off voltage VI,ov 40 44 46 V 8
Inhibit turn-on voltage VU,INH 1 2 3.5 V VQ = high (> 4.5 V) 8
Inhibit turn-off voltage VL,INH 0.8 1.3 3.3 V VQ = low (< 0.8 V) 8
Inhibit current IINH 8 12 25 µA VINH = 5 V 8
Upper watchdog switching threshold VUDW 1.4 1.8 2.3 V 8
Lower watchdog switching threshold VLDW 0.2 0.45 0.8 V 8
Watchdog discharge current IDWD 1.5 2.7 3.5 µA VD = 1 V 8
Watchdog charge current IDWC 8 14 25 µA VD = 1 V 8
Watchdog period tWD,P 40 55 80 ms CD = 100 nF 8
Watchdog trigger time tWI,tr 30 45 66 ms CD = 100 nF 8
Watchdog pulse slew rate VWI 5 V/µs From 20% to 80% VQ 8
Input voltage (operating) VI 6 40 V 6
Junction temperature (operating) Tj -40 150 °C 6
Input voltage VI -42 42 V 5
Input voltage VI 65 V t ≤ 400 ms 5
Inhibit voltage VINH -42 42 V 5
Inhibit voltage VINH 65 V t ≤ 400 ms 5
Reset output voltage VRO -0.3 42 V 5
Reset delay voltage VD -0.3 7 V 5
Reset delay current ID -5 5 mA 5
Watchdog voltage VW -0.3 7 V 5
Watchdog current IW -5 5 mA 5
Output voltage VQ -1 16 V 5
Output current IQ -5 mA Internally limited 5
Ground current IGND -0.5 A 5
Junction temperature Tj 150 °C 5
Storage temperature Tstg -50 150 °C 5
Thermal resistance junction ambient Rthja 65 K/W 6
Thermal resistance junction ambient Rthja 70 K/W PG-TO263-7 6
Thermal resistance junction case Rthjc 3 K/W 6
Thermal impedance junction case Zthjc 2 K/W t < 1 ms 6
Current consumption Iq = II Iq 800 µA VINH = 5 V; IQ = 0 mA 7
Reset saturation voltage VRO,SAT 60 mV Rintern = 30 kΩ; VQ = 1.0 V to 4.5 V 7
Power supply ripple rejection PSRR 54 dB ƒr = 100 Hz; Vr = 0.5 Vpp 7

CAD (KiCad official)

  • Symbol: TLE42712GATMA1
  • Footprint: Package_TO_SOT_SMD:TO-263-7_TabPin8
  • 3D model: TO-263-7 (KiCad packages3D, STEP)
  • 3D model files: tle42712gatma1-etched.step / tle42712gatma1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tle42712gatma1.step / tle42712gatma1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Infineon Technologies datasheet (20 pp, sha256 d8cd9621092021f2, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF