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SM5701_5.0V

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HICHON DC-DC Converters, SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SM5701_5.0V

HICHON · DC-DC Converters · SOT-23-5L

SM5701_5.0V from HICHON, in a SOT-23-5L. 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 CE input Output enable pin; the electrical table gives the enable input high level as min 0.4*VOUT and low level as max 0.2V.
2 VOUT power_out Boosted output terminal, with an absolute maximum rating of -0.3V to 6.5V.
3 NC unconnected No connection (left floating).
4 GND power_in Ground terminal.
5 LX passive Switch node pin with an absolute maximum of -0.3V to 5V and a maximum switch current ILXmax of 1000mA.

Key specifications

Parameter Value
Manufacturer HICHON
Package SOT-23-5L
Category Power Management (PMIC)
Pins 5

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 ΔVOUT -2.5 2.5 % TA=25℃ 4
Maximum input voltage VINMAX 0.9 5 V TA=25℃ 4
Start-up voltage VSTART 0.9 V ILOAD=1mA,VIN:0→2V 4
Hold voltage VHOLD 0.6 uA ILOAD=1mA,VIN:2→0V 4
Oscillator duty cycle DCOSC 78 % 4
EN input high level 0.4 *VOUT printed as 0.4*VOUT 4
EN input low level 0.2 V 4
Efficiency η 90 94 % 4
Current limit ILIMIT 600 800 1000 mA 4
No-load input current LINO 17 uA 4
Output voltage pin VOUT -0.3 6.5 V 2
LX pin voltage VLX -0.3 5 V 2
LX maximum current ILXmax 0 1000 mA 2
Operating temperature -40 85 ℃ 2
Storage temperature -40 165 ℃ 2

CAD (KiCad official)

  • Symbol: SM5701_5.0V
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5L (KiCad packages3D, STEP)
  • 3D model files: sm5701-5-0v-etched.step / sm5701-5-0v-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sm5701-5-0v.step / sm5701-5-0v.glb are the bare package body.

Provenance

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

  • Datasheet: HICHON datasheet (15 pp, sha256 9670f3d4367737fa, retrieved 2026-10-22, 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), 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