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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