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LM2575S-5.0RG

HANSCHIP semiconductor · DC-DC Converters · TO-263-5

LM2575S-5.0RG from HANSCHIP semiconductor, in a TO-263-5. 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	Unregulated input supply pin, rated up to 40 V for LM2575 (55 V for LM2575HV) maximum.
2	Output	output	Switching regulator output (internal power switch output) that connects to the inductor and catch diode.
3	Ground	power_in	Ground pin; the package tab is also connected to GND.
4	Feedback	input	Feedback sense input to the regulator that senses the output voltage; the datasheet's adjustable version uses a 1.23 V reference.
5	ON/OFF	input	Active-low shutdown input (TTL-compatible) that puts the device in standby mode (typical 50 µA); the input range is -0.3 V to VIN.
6	EP	passive	Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter	Value
Manufacturer	HANSCHIP semiconductor
Package	TO-263-5
Category	Power Management (PMIC)
Pins	6

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, VIN=12V, I load=0.5A	VOUT	4.9	5	5.1	V	VIN = 12V, I load = 0.5A	5
Output voltage LM2575, 25°C (standard font)	VOUT	4.8	5	5.2	V	8V≤VIN≤40V, 0.5A≤I load≤2A; standard font = TJ=25°C	5
Output voltage LM2575, full operating junction temperature range (bold)	VOUT	4.75	5	5.25	V	8V≤VIN≤40V, 0.5A≤I load≤2A; bold = full operating junction temperature range	5
Oscillator frequency, 25°C	fO	47	52	58	kHz	Standard font = TJ=25°C	7
Oscillator frequency, full operating junction temperature range	fO	42	52	63	kHz	Bold = full operating junction temperature range	7
Saturation voltage, 25°C	VSAT		1.4	1.8	V	IOUT = 2A (note 4)	7
Saturation voltage, full operating junction temperature range	VSAT		1.4	2	V	IOUT = 2A (note 4)	7
DC maximum duty cycle (on)	DC	93	98		%		7
Current limit, 25°C	ICL	4.2	5.8	6.9	A	Notes 4, 11	7
Current limit, full operating junction temperature range	ICL	3.5	5.8	7.5	A	Notes 4, 11	7
Output leakage current, output = 0V	IL			7.5	mA	Output = 0V	7
Output leakage current, output = -1V	IL		2	30	mA	Output = -1V	7
Quiescent current	IQ		5	10	mA		7
Standby quiescent current	ISTBY		50	200	µA	ON/OFF pin = 5V (off)	7
ON/OFF control logic input level high, 25°C	VIH	2.2	1.4		V	VOUT = 0V	7
ON/OFF control logic input level high, full operating junction temperature range	VIH	2.4	1.4		V	VOUT = 0V	7
ON/OFF control logic input level low, 25°C	VIL		1.2	1	V	VOUT = nominal input voltage	7
ON/OFF control logic input level low, full operating junction temperature range	VIL		1.2	0.8	V	VOUT = nominal input voltage	7
ON/OFF control input current high	IIH		12	30	µA	ON/OFF control (off)	7
ON/OFF control input current low	IIL		0	10	µA	ON/OFF control = 0V (on)	7
Maximum supply voltage LM2575	VIN			40	V		4
ON/OFF pin input voltage	VON_OFF	-0.3			V	-0.3 ≤ V ≤ +VIN (upper limit printed as +VIN)	4
Output voltage to ground (steady state)		-1			V		4
Storage temperature range	TSTG	-65		150	°C		4
Maximum junction temperature	TJ			150	°C		4
ESD rating	ESD	2			kV	C = 100 pF, R = 1.5 kΩ	4
Lead temperature (soldering, 10 s)	TLEAD			245	°C	10 s soldering	4
Supply voltage LM2575	VIN			40	V		4
Operating junction temperature range	TA	-40		125	°C		4
Thermal resistance, junction to ambient, TO-263 (S package), 0.5 in² copper	θJA		50		°C/W	TO-263 (S) package, 0.5 in² copper area on PCB (note 10)	7
Thermal resistance, junction to ambient, TO-263 (S package), 1 in² copper	θJA		37		°C/W	TO-263 (S) package, 1 in² copper area on PCB (note 10)	7
Thermal resistance, junction to ambient, TO-263 (S package), 1.6 in² or more copper	θJA		32		°C/W	TO-263 (S) package, 1.6 in² or more copper area on PCB (note 10)	7

CAD (KiCad official)

Symbol: LM2575S-5.0RG
Footprint: Package_TO_SOT_SMD:TO-263-5_TabPin6
3D model: TO-263-5 (KiCad packages3D, STEP)
3D model files: lm2575s-5-0rg-etched.step / lm2575s-5-0rg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm2575s-5-0rg.step / lm2575s-5-0rg.glb are the bare package body.

Provenance

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

Datasheet: HANSCHIP semiconductor datasheet (13 pp, sha256 c889c4eff4be9664, retrieved 2026-10-18, tier: lcsc)
Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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