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LM2575HVS-5.0

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HGSEMI DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM2575HVS-5.0

HGSEMI · DC-DC Converters · TO-263-5

LM2575HVS-5.0 from HGSEMI, 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, rated up to 60 V for the LM2575HV (40 V for the LM2575); abs max VIN 60 V.
2 Output output Switching output of the internal power transistor; output voltage to ground (steady state) is -1 V, with 2 A guaranteed output current.
3 Ground power_in Ground pin; the package tab is also connected to GND.
4 Feedback input Feedback sense input; on the 5.0 V fixed version it connects to the output (internal divider), with the adjustable version reference at 1.23 V.
5 ON/OFF input Active-low TTL shutdown input: VIH 2.2 V min/VIL 1.0 V max, input range -0.3 V to +VIN, standby current about 50 µA typical when high.
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer HGSEMI
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 (LM2575HV-5.0), VIN = 12V, Iload = 0.5A VOUT 4.9 5 5.1 V VIN = 12V, I load = 0.5A, test circuit Fig 2, TJ=25°C 5
Output voltage (LM2575HV-5.0), 8V≤VIN≤60V, 0.5A≤Iload≤2A VOUT 4.8 5 5.225 V 8V ≦ VIN ≦ 60V, 0.5A ≦ I load ≦ 2A, test circuit Fig 2, TJ=25°C 5
Output voltage (LM2575HV-5.0), 8V≤VIN≤60V, 0.5A≤Iload≤2A, full range VOUT 4.75 5 5.275 V 8V ≦ VIN ≦ 60V, 0.5A ≦ I load ≦ 2A, test circuit Fig 2, full operating junction temperature range 5
Oscillator frequency fO 47 52 58 kHz TJ=25°C, note 11 7
Oscillator frequency, full range fO 42 52 63 kHz full operating junction temperature range, note 11 7
Saturation voltage VSAT 1.4 1.8 V TJ=25°C, IOUT = 2A, note 4 7
Saturation voltage, full range VSAT 1.4 2 V full operating junction temperature range, IOUT = 2A, note 4 7
DC maximum duty cycle (ON) DC 93 98 % note 5 7
Current limit ICL 4.2 5.8 6.9 A TJ=25°C, notes 4, 11 7
Current limit, full range ICL 3.5 5.8 7.5 A full operating junction temperature range, notes 4, 11 7
Output leakage current IL 7.5 mA Output = 0V, notes 6, 7 7
Output leakage current IL 30 mA Output = -1V, notes 6, 7 7
Quiescent current IQ 5 10 mA note 6 7
Standby quiescent current ISTBY 50 200 µA ON/OFF pin = 5V (off) 7
ON/OFF control logic input level high VIH 2.2 1.4 V TJ=25°C, VOUT = 0V, test circuit Fig 2 7
ON/OFF control logic input level high, full range VIH 2.4 1.4 V full operating junction temperature range, VOUT = 0V, test circuit Fig 2 7
ON/OFF control logic input level low VIL 1.2 1 V TJ=25°C, VOUT = nominal input voltage, test circuit Fig 2 7
ON/OFF control logic input level low, full range VIL 1.2 0.8 V full operating junction temperature range, VOUT = nominal input voltage, test circuit Fig 2 7
ON/OFF control input current (off) IIH 12 30 µA ON/OFF control (off) 7
ON/OFF control input current (on) IIL 0 10 µA ON/OFF control = 0V (on) 7
Absolute max supply voltage, LM2575HV VIN 60 V 4
ON/OFF pin input voltage VON_OFF -0.3 V upper limit printed as +VIN 4
Output voltage to ground (steady state) -1 V 4
Storage temperature range TSTG -65 150 ℃ 4
Maximum junction temperature TJ 150 ℃ 4
ESD rating (minimum) ESD 2 KV C = 100 pF, R = 1.5 kΩ 4
Lead temperature (soldering, 10 s), TO-220/TO-263 TLEAD 245 ℃ 10 s soldering, TO-220/TO-263 4
Supply voltage, LM2575HV VIN 60 V 5
Operating junction temperature range TA -40 125 ℃ design range per note 1 5
Junction-to-ambient thermal resistance, TO-263 RθJA 42.6 °C/W TO-263 column 4
Junction-to-case (top) thermal resistance, TO-263 RθJC(top) 43.3 °C/W TO-263 column 4
Junction-to-board thermal resistance, TO-263 RθJB 22.4 °C/W TO-263 column 4
Junction-to-case (bottom) thermal resistance, TO-263 RθJC(bot) 0.4 °C/W TO-263 column 4
Junction-to-top characterization parameter, TO-263 ΨJT 10.7 °C/W TO-263 column 4
Junction-to-board characterization parameter, TO-263 ΨJB 21.3 °C/W TO-263 column 4
Junction-to-ambient thermal resistance, S package (TO-263) θJA 50 °C/W S 型封装，结至环境（注 10） 7
Output leakage current, Output = -1V (typical) IL 2 mA Output = -1V, notes 6, 7 7

CAD (KiCad official)

  • Symbol: LM2575HVS-5.0
  • Footprint: Package_TO_SOT_SMD:TO-263-5_TabPin6
  • 3D model: TO-263-5 (KiCad packages3D, STEP)
  • 3D model files: lm2575hvs-5-0-etched.step / lm2575hvs-5-0-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm2575hvs-5-0.step / lm2575hvs-5-0.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (13 pp, sha256 91b888105249098d, retrieved 2026-10-19, 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