MAX869LEEE datasheet(3/8 Pages) MAXIM

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2A, Current-Limited, High-Side

P-Channel Switch with Thermal Shutdown

_______________________________________________________________________________________

Note 1: Guaranteed by design. Derived from the ISET current ratio; current-limit amplifier and external set resistor accuracies.

Note 2: Tested with IOUT = 200mA and VSET raised until (VIN - VOUT) ≥ 0.8V.

Note 3: Specifications to -40°C are guaranteed by design, not production tested.

ELECTRICAL CHARACTERISTICS

(VIN = 3V, TA = -40°C to +85°C, unless otherwise noted.) (Note 3)

VIN = 5V, IOUT = 500mA

µs

ON = IN, VIN = VOUT = 5.5V

VIN = 5V, IOUT = 500mA

Turn-Off Time

VIN = 5V, ON = GND, IOUT = 0A

ISINK = 1mA, VSET = 1V

IOUT = 1A, VOUT > 1.6V

ON = IN, VIN = 5.5V, VOUT = 0V

Rising edge, 1% hysteresis

VIN = 4.75V

RSET = 1% tolerance (Note 1)

CONDITIONS

VIN = 3.0V

Ω

µs

400

On-Resistance

Turn-On Time

0.4

FAULT Logic Output Low Voltage

µA

2.5

Off-Supply Current

µA

2.9

5.5

Operating Voltage

Quiescent Current

A/A

765

1145

IOUT to ISET Current Ratio

µA

Off-Switch Current

2.0

2.85

Undervoltage Lockout

0.40

2.4

Nominal Current-Limit Set Range

UNITS

MIN

TYP

MAX

PARAMETER

VSET required to turn the switch off (Note 2)

1.14

1.34

Current-Limit-Amplifier Threshold

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