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NDP1480QB

NDP · DC-DC Converters · QFN-20-EP(5x5)

NDP1480QB from NDP, in a QFN-20-EP(5x5). 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 GND power_in Ground pin; the datasheet lists pins 1, 2 and 3 together with PAD1 as GND, and the absolute maximum ratings are referenced to GND.
2 GND power_in Ground pin; the datasheet lists pins 1, 2 and 3 together with PAD1 as GND, and the absolute maximum ratings are referenced to GND.
3 GND power_in Ground pin; the datasheet lists pins 1, 2 and 3 together with PAD1 as GND, and the absolute maximum ratings are referenced to GND.
4 NC unconnected Listed as no connect in the pin table; the layout note says it can be tied to VIN or GND for easier layout.
5 NC unconnected Listed as no connect in the pin table; the layout note says it can be tied to VIN or GND for easier layout.
6 VIN power_in Power input; recommended operating input voltage is 8 V to 36 V, with absolute maximum VIN to GND of -0.3 V to 44 V.
7 VIN power_in Power input; recommended operating input voltage is 8 V to 36 V, with absolute maximum VIN to GND of -0.3 V to 44 V.
8 VIN power_in Power input; recommended operating input voltage is 8 V to 36 V, with absolute maximum VIN to GND of -0.3 V to 44 V.
9 NC unconnected Listed as no connect in the pin table with no electrical function given.
10 BST passive Boot strap pin for the high-side switch drive; absolute maximum BST to GND is -0.3 V to VIN+7 V.
11 NC unconnected Listed as no connect in the pin table with no electrical function given.
12 SW output Switching node connected to the inductor; absolute maximum SW to GND is -0.3 V to VIN+0.3 V.
13 SW output Switching node connected to the inductor; absolute maximum SW to GND is -0.3 V to VIN+0.3 V.
14 SW output Switching node connected to the inductor; absolute maximum SW to GND is -0.3 V to VIN+0.3 V.
15 NC unconnected Listed as no connect in the pin table with no electrical function given.
16 FB input Output voltage feedback; the internal reference is 1.0 V (0.98 V to 1.02 V) and absolute maximum FB to GND is -0.3 V to 6 V.
17 CSP input Positive pole of the current sense; CSP-CSN current sense amplifier threshold is 51 mV to 59 mV and absolute maximum CSP to GND is -0.3 V to 25 V.
18 CSN1 input Negative pole 1 of the current sense; CSP-CSN1 threshold is 51 mV to 59 mV and absolute maximum CSN1 to GND is -0.3 V to 25 V.
19 CSN2 input Negative pole 2 of the current sense; CSP-CSN2 threshold is 51 mV to 59 mV and absolute maximum CSN2 to GND is -0.3 V to 25 V.
20 FS input Connect a resistor to GND to set switching frequency from 130 kHz to 300 kHz (floating sets 130 kHz); pulling below 0.6 V enters shutdown, and absolute maximum FS to GND is -0.3 V to 6 V.
21 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer NDP
Package QFN-20-EP(5x5)
Category Power Management (PMIC)
Pins 21

CAD (KiCad official)

  • Symbol: NDP1480QB
  • Footprint: Package_DFN_QFN:QFN-20-1EP_5x5mm_P0.65mm_EP3.35x3.35mm
  • 3D model: QFN-20-EP(5x5) (KiCad packages3D, STEP)
  • 3D model files: ndp1480qb-etched.step / ndp1480qb-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ndp1480qb.step / ndp1480qb.glb are the bare package body.

Provenance

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

  • Datasheet: NDP datasheet (14 pp, sha256 635616b452fe06c8, retrieved 2026-10-09, 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