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NDP2355KC

Public Made by Adom

by adom

NDP DC-DC Converters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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NDP2355KC

NDP · DC-DC Converters · SOP-8

NDP2355KC from NDP, in a SOP-8. 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 VFB input Feedback input for the output voltage; the internal reference is 1.0V (VFB 0.980V to 1.02V) and VFB bias current is 0.2µA.
2 NC unconnected Not connected; the datasheet assigns no function to this pin.
3 EN input Enable input: switching is enabled when EN rises above 1.5V and disabled when EN falls below 0.6V, with an absolute maximum of 25V to GND.
4 VIN power_in Positive power input; the operating input voltage range is 5.5V to 30V, with an absolute maximum of 33V to GND.
5 SW output Switching node connected to the inductor; SW to GND is rated -0.3V to VIN+0.3V.
6 SW output Switching node connected to the inductor (second SW pin); SW to GND is rated -0.3V to VIN+0.3V.
7 GND power_in Ground reference for the device.
8 GND power_in Ground reference for the device.

Key specifications

Parameter Value
Manufacturer NDP
Package SOP-8
Category Power Management (PMIC)
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
VIN to GND VIN -0.3 33 V 3
SW to GND SW -0.3 V 3
FB to GND FB -0.3 6 V 3
EN to GND EN -0.3 25 V 3
Operating Junction Temperature TA -40 150 °C 3
Storage Junction Temperature Tstg -65 150 °C 3
Input Voltage VIN 5.5 28 V 3
Output Voltage VOUT 3.3 20 V 3
Input Voltage VIN 5.5 30 V 4
UVLO ON Voltage VUVLO_ON 3.9 4.2 4.5 V VIN Falling 4
Standby Current ISB 1.7 2.2 mA No Load 4
FB Reference Voltage VFB 0.98 1 1.02 V 4
Maximum Duty Cycle 100 % 4
UVLO OFF Voltage VUVLO_OFF 4.8 V VIN Rising 4
Quiescent Current ICCQ 1300 μA VFB = 1.2V, No Switch 4
VFB Bias Current IFB 0.2 μA 4
Switching Frequency FSW 300 kHz 4
EN voltage rising threshold VEN_H 1.5 V EN rising, enable switching 4
EN voltage falling threshold VEN_L 0.6 V EN falling, disable switching 4
Minimum On-Time 250 ns 4
Current Limit ILIM 4 A 4
Hiccup Interval THICCUP 500 mS 4
Soft Start Time TSS 2 mS 4
RDSON of Power MOS (high side) RDSON_H 42 mΩ Temp=25℃ 4
RDSON of Power MOS (low side) RDSON_L 20 mΩ Temp=25℃ 4
Thermal Regulation TTR 150 °C 4
Thermal Shutdown Temperature TSD 165 °C 4
Thermal Shutdown Hysteresis Temperature TSH 30 °C 4
Output Current IOUT 4 A 3
Thermal Resistance from Junction to case θJC 45 °C/W 3
Thermal Resistance from Junction to ambient θJA 90 °C/W 3

CAD (KiCad official)

  • Symbol: NDP2355KC
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: ndp2355kc-etched.step / ndp2355kc-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ndp2355kc.step / ndp2355kc.glb are the bare package body.

Provenance

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

  • Datasheet: NDP datasheet (10 pp, sha256 a6249aeb7193065a, retrieved 2026-10-18, 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