component

RS6903YF5

Public Made by Adom

by adom

RUNIC(润石) Charge Pumps, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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RS6903YF5

RUNIC(润石) · Charge Pumps · SOT-23-5

RS6903YF5 from RUNIC(润石), in a SOT-23-5. 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 OUT power_out Power output with VOUT = -VIN; bypass OUT to GND with the output filter capacitor COUT (3.3 µF in Table 1, 3.3 µF to 47 µF allowed in Section 8.3).
2 IN power_in Supply input for 1.5 V to 5.5 V; bypass IN to GND with a capacitor of the same value as the flying capacitor.
3 CFLY- passive Negative terminal of the flying capacitor CFLY (3.3 µF).
4 GND power_in Ground reference for the device.
5 CFLY+ passive Positive terminal of the flying capacitor CFLY (3.3 µF).

Key specifications

Parameter Value
Manufacturer RUNIC(润石)
Package SOT-23-5
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
Input Voltage Range on SW, VOUT, VCC, FB, EN -0.3 5.5 V 6
Package thermal impedance SOT-23-5 θJA 230 °C/W SOT23-5 6
Operating virtual junction temperature range TJ -40 150 °C 6
Storage Temperature Tstg -55 150 °C 6
Lead Temperature (Soldering, 10s) 260 °C Soldering, 10s 6
Electrostatic discharge, Human-body model (HBM) V(ESD) -1000 1000 V MIL-STD-883K Method 3015.9 6
Electrostatic discharge, Charged-device model (CDM) V(ESD) -1000 1000 V ANSI/ESDA/JEDEC JS-002-2018 6
Input supply voltage VIN 1.5 5.5 V 6
Output current IOUT 0 60 mA 6
Capacitor of VIN pin CIN 3.3 μF 6
Flying capacitor CFLY 3.3 μF 6
Capacitor of VOUT pin COUT 3.3 47 μF 6
Equivalent series resistance ESR 5 100 mΩ 6
Operating temperature TA -40 85 °C 6
Input Voltage VIN 1.5 5.5 V Temp FULL (-40°C to +85°C) 7
Static power consumption (+25°C) IQ 110 135 μA IOUT = 0mA; VIN=5.0V; +25°C 7
Static power consumption (FULL) IQ 160 μA IOUT = 0mA; VIN=5.0V; FULL 7
Output Current 60 mA FULL 7
Output Voltage ripple VPP 25 mVPP IOUT= 5mA; C(fly) = CO = 3.3 µF; +25°C 7
Internal Switching Frequency fOSC 43 50 57 kHZ FULL (-40°C to +85°C) 7
Impedance 9 12 Ω VIN=5V; +25°C 7
Thermal shutdown temperature TSD 145 °C TJ Increasing 7
Thermal shutdown hysteresis TSD_HY 30 °C 7

CAD (KiCad official)

  • Symbol: RS6903YF5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: rs6903yf5-etched.step / rs6903yf5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs6903yf5.step / rs6903yf5.glb are the bare package body.

Provenance

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

  • Datasheet: RUNIC(润石) datasheet (15 pp, sha256 403caeedab6d2221, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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