Protected Power Switches | FPF2193

Full Function Load Switch with Adjustable Current Limit

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Overview

The FPF2193 load switch provides full protection to systems and loads that may encounter large current conditions. These devices contain a 55mΩ current-limited Pchannel MOSFET that can operate over an input voltage range of 1.8 to 5.5V. Internally, current is prevented from flowing when the MOSFET is off and the output voltage is higher than the input voltage. Switch control is by a logic input (ON) capable of interfacing directly with low-voltage control signals. Each part contains thermal shutdown protection that shuts off the switch to prevent damage to the part when a continuous over-current condition causes excessive heating.
When the switch current reaches the current limit, the parts operate in a constant-current mode to prohibit excessive currents from causing damage. If the constant current condition still persists after 30ms, the parts shut off the switch and pull the fault signal pin (FLAGB) LOW. The FPF2193 has an auto-restart feature that turns the switch on again after 450ms if the ON pin is still active. The minimum current limit is 100mA.
These parts are available in a space-saving six ball advanced 1 x 1.5mm WLCSP package.

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  • <1.8 to 5.5V Input Voltage Range
  • Controlled Turn-On
  • 0.1 to 1.5A Adjustable Current Limit
  • Under-Voltage Lockout
  • Thermal Shutdown
  • <2µA Shutdown Current
  • Auto Restart
  • Fast Current Limit Response Time
  • 5µs to Moderate Over Currents
  • 30ns to Hard Shorts
  • Fault Blanking
  • Reverse Current Blocking

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Product

Status

CAD Models

Compliance

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

Pricing ($/Unit)

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FPF2193

Lifetime

Pb

A

H

P

WLCSP-6

567RN

1

260

REEL

3000

Y

Y

N

-

N

Y

Y

N

Y

55

1.5

N

N

N

1.8

5.5

75

N

1:1

IntelliMAX

$0.4692

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