MAX1694EUB 查看數據表（PDF） - Maxim Integrated

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MAX1694EUB

USB Current-Limited Switches with Fault Blanking

Maxim Integrated 

USB Current-Limited Switches

with Fault Blanking

ELECTRICAL CHARACTERISTICS

(VIN = +5V, TA = -40°C to +85°C, unless otherwise noted.) (Note 3)

PARAMETER

SYMBOL

CONDITIONS

MIN

Operating Voltage

VIN

3

Quiescent Current

IQ

V ON (ON) = GND (GND), IOUT = 0, timer not

running

Off-Supply Current

Undervoltage Lockout

V ON (ON) = VIN = VOUT = 5.5V (VON = GND)

UVLO Rising edge, 100mV hysteresis

2.0

Off-Switch Leakage

On-Resistance

Current Limit

V ON (ON) = VIN = 5.5V, VOUT = GND

(VON = GND)

RON

VIN = 4.4V to 5.5V

VIN = 3V

ILIMIT (Note 1)

640

Continuous Short-Circuit

Current Limit

OUT shorted to GND, MAX1693/(MAX1693H)

only (Note 2)

ON (ON) Input Logic Low Voltage VIL

VIN = 3V to 5.5V

ON (ON) Input Logic High

Voltage

VIH

VIN = 3V to 3.6V

VIN = 3.7V to 5.5V

2

2.4

ON (ON) Input Leakage

V ON (ON) = VIN or GND

FAULT Output Logic Low

Voltage

VOL

ISINK = 1mA, VIN = 3V

FAULT Output High Leakage

Current

Fault-Blanking Timeout Period

Switch Turn-On Time

Switch Turn-Off Time

VIN = VFAULT = 5.5V

tFB

From overcurrent condition to FAULT assertion 6

tON

ILOAD = 400mA

tOFF ILOAD = 400mA

1

TYP

MAX UNITS

5.5

V

25

µA

2

µA

2.9

V

15

µA

125

mΩ

150

1060 mA

750

mA

0.8

V

V

±1

µA

0.4

V

1

µA

14

ms

200

µs

20

µs

Note 1: MAX1693/(MAX1693H)’s current limit is tested by forcing VOUT to 4.5V. The MAX1694’s current limit is tested by increasing

the output current until the switch is latched off.

Note 2: This specification applies to the MAX1693/(MAX1693H) only. The MAX1694 latches the switch off under a sustained

(>10ms) short-circuit condition.

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

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