WT6621-DH 查看數據表（PDF） - Weltrend Semiconductor

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WT6621-DH

Dual USB Power Control Switch

Weltrend Semiconductor 

Absolute Maximum Ratings

Supply voltage(Vin)

Output voltage(Vo)

Output current(Io)

Fault Flag voltage(VFG)

Fault Flag current(IFG)

Control Input(VEN)

Storage Temperature(TS)

Lead Temperature(Soldering 5 sec.)

Operating Ratings

Supply voltage(VIN)

Ambient Operating Temperature(TA)

Supply Voltage (VIN)

Continuous output current, Io

WT6621

Dual USB Power Control Switch

+6.0V

+6.0V

internallly limited

+6.0V

50mA

-0.3V to 12V

-65°C to +150°C

260°C

+4V to +5.5V

-40°C to +85°C

+3V to 5.5V

0.6A Max.

ELECTRICAL CHARACTERISTICS

VIN=5.0V + 5% , Ta=25 OC)

Parameter

Condition

Supply Current

Switch off, Open load

Switch on, Open load

Enable Input Treshold Low to high transition

voltage

High to low transition

Enable Input current

VEN = 0 to 5.5V

Switch Reistnce

VIN = 5V, Iout=500mA

Output Turn on delay RL=10 Ohm each Output

Output Turn on Rise Time RL=10 Ohm each Output

Output Turn off Delay RL=10 Ohm each Output

Output Turn off Fall Time RL=10 Ohm each Output

Continous Load Current Each output

Short Circuit Current Limit Each output, Vout = 4.0V

Current limit threshold Ramp Load applied to Vout<4.0V

Overtemperature

Tj increasing

Shutdown Threshold

Tj decreasing

UVLO Threshold

VIN increasing

VIN dcreasing

Min Typ Max Units

0.75 2

uA

110 150 uA

2.1 2.4 V

0.8 1.6

V

1

uA

100 140 mOhm

0.5

ms

1

ms

1

20 us

1

20 us

500

mA

0.5 0.75 1.25 A

0.75 1.25 A

135

C

115

C

2.5

V

2.3

V

Version1.0

Weltrend Semiconductor, Inc. All Rights Reserved



27 March, 2000

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