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MD7601A36

Shanghai Mingda Microelectronics · Linear Voltage Regulators (LDO) · TO-252

MD7601A36 from Shanghai Mingda Microelectronics, in a TO-252. 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	VIN	power_in	Regulator input supply, 2.2V to 40V operating (absolute maximum 45V), with a CIN of 2.2µF or more placed close to the IC.
2	GND	power_in	Ground reference pin for the regulator.
3	VOUT	power_out	Regulated 3.6V output (±2%) for the MD7601A36, up to 1A, with a COUT of 2.2µF or more; it must not exceed VIN+0.3V.

Key specifications

Parameter	Value
Manufacturer	Shanghai Mingda Microelectronics
Package	TO-252
Category	Power Supply Chip
Pins	3

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 accuracy	VOUT(S)	-2		2	%	VIN=VOUT(S)+2V, IOUT=10mA	1
Input Voltage	VIN	2.2		40	V		3
Dropout Voltage	VDROP		4	8	mV	IOUT=1mA	3
Dropout Voltage	VDROP		1000	1500	mV	IOUT=1A	3
Line Regulation			0.01	0.02	%/V	VOUT(S)+2V≤VIN≤40V, IOUT=1mA	3
Load Regulation	VOUT2		20	80	mV	VIN=VOUT(S)+2V, 1mA≤IOUT≤300mA, VOUT(S)≤10V	3
Temperature Stability		-50		50	ppm/°C	VIN=VOUT(S)+2V, IOUT=10mA, -40℃≤Ta≤85℃	3
GND Current	IGND		10	30	uA	no load, VOUT(S)≤10V	3
Input Capacitor	CIN	2.2			uF	2.2µF above	3
Output Capacitor	COUT	2.2			uF	2.2µF above	3
Input Voltage	VIN	-0.3		45	V	Ta=25℃	2
Power Dissipation TO-252	PD			1800	mW	TO 252	2
Operating Ambient Temperature	Topr	-40		85	℃		2
Storage Temperature	Tstg	-40		125	℃		2
ESD Protection	ESD			2000	V	HBM	2
Output Voltage nominal	VOUT(S)		3.6		V	VIN=VOUT(S)+2V, IOUT=10mA	1
GND Current	IGND		460		uA	IOUT=100mA	3
Maximum Output Current	IOUTMAX		1		A		3
Current Limit	ILIM		1.8		A	VIN=VOUT(S)+2V, VOUT=0.95×VOUT(S)	3
Short Circuit Current	ISHORT		50		mA	VIN=VOUT(S)+2V, VOUT=0V, VOUT(S)≤10V	3
Power Supply Rejection Ratio	PSRR		84		dB	f=10Hz, VOUT(S)=3.6V	3
Power Supply Rejection Ratio	PSRR		80		dB	f=100Hz, VOUT(S)=3.6V	3
Power Supply Rejection Ratio	PSRR		58		dB	f=1kHz, VOUT(S)=3.6V	3
Over Temperature Protection	OTP		180		℃	IOUT=1mA	3

CAD (KiCad official)

Symbol: MD7601A36
Footprint: Package_TO_SOT_SMD:TO-252-2
3D model: TO-252 (KiCad packages3D, STEP)
3D model files: md7601a36-etched.step / md7601a36-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); md7601a36.step / md7601a36.glb are the bare package body.

Provenance

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

Datasheet: Shanghai Mingda Microelectronics datasheet (12 pp, sha256 9797424939fb0df2, retrieved 2026-10-23, 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