Protected Power Switches | FPF1903

1.5A Ideal Diode load switch with Ultra-Low IQ and Small Package

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FPF1903 is a single load switch with P-type MOSFET integrated. The device can perfectly block reverse current from OUT to IN in both enabled and disabled status.

The input voltage from 1.2 V to 5.5 V. The supply current is relatively constant with load current 1.5 A, when disabled (EN = low), the power consumption is typically 250 nA, it is suitable for use in most low−voltage, portable electronic devices.

FPF1903 is in ultra−small WLCSP−4 package with 0.35mm pin pitch.

  • Mobile Handsets and Tablets
  • Dual Power sources
  • Dual batteries

  • Wireless

  • P-type Power Switch with ideal diode feature
  • IN voltage range: 1.2V ~ 5.5V
  • Max continuous current capability: 1.5 A
  • Low Supply Quiescent Current 250nA (Typ.)

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Over Current - Shutdown (Y/N)

Over Current - Current Source (Y/N)

Current Limit (FIXED/ADJ/NO)

Over Voltage Protection (Y/N)

Reverse Current Blocking (Y/N)

FAULT Signal (Y/N)

PGOOD (Y/N)

UVLO (Y/N)

Rds(on) Typ (mΩ)

Max Current (A)

Output Discharge (Y/N)

IMON Output (Y/N)

Adjustable Slew Rate (Y/N)

Vin Min (V)

Vin Max (V)

Iq (µA)

eFuse / Hot Plug (Y/N)

Input / Output

Product Family

Reference Price

FPF1903UCX

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CAD Model

Pb

A

H

P

WLCSP4 0.70x0.70x0.454

567ZV

1

260

REEL

3000

F

N

N

NO

N

Y

N

N

N

100

1.5

N

N

N

1.2

5.5

0.25

N

1:1

IntelliMAX

$0.0933

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