Datasheet > SIP4280A

SIP4280A

更新时间： 2024-09-17 06:11:43

品牌	Logo	应用领域
威世 - VISHAY		开关
页数	文件大小	规格书
9页	1263K
描述
Slew Rate Controlled Load Switch

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SIP4280A 数据手册

SiP4280A

Vishay Siliconix

Slew Rate Controlled Load Switch

FEATURES

• 1.5 V to 5.5 V Input Voltage range

• Very Low R , typically 80 mΩ (5 V)

APPLICATIONS

• Cellular telephones

• Digital still cameras

• Personal digital assistants (PDA)

• Hot swap supplies

• Notebook computers

DS(ON)

• Slew rate limited turn-on time options

- SiP4280A-1: 1 ms

- SiP4280A-3: 100 µs

• Fast shutdown load discharge option

• Personal communication devices

• Low quiescent current

< 25 nA (typ)

• 4 kV ESD Rating

• 6 pin SOT23 package

DESCRIPTION

The SiP4280A is a P-Channel MOSFET power switch

designed for high-side load switching applications. The

output pass transistor is a P-Channel MOSFET tran-

Both SiP4280A load switch versions operate with an

input voltage ranging from 1.5 V to 5.5 V, making them

ideal for both 3 V and 5 V applications. The SiP4280A

also features an under-voltage lock out which turns the

switch off when an input undervoltage condition exists.

Input logic levels are TTL and 2.5 V to 5.0 V CMOS

compatible. The quiescent supply current is very low,

typically 25 nA. In shutdown mode, the supply current

decreases to less than 1.0 µA.

sistor with typically 80 mΩ R

. The SiP4280A is

DS(ON)

available in two different versions of turn-on times. The

SiP4280A-1 version has a slew rate limited turn-on

time typically of 1 ms. The SiP4280A-3 version has a

slew rate limited turn-on time typically of 100 µs and

additionally offers a shutdown load discharge circuit to

rapidly turn off a load circuit when the switch is dis-

abled.

The SiP4280A is available in a 6 pin SOT23 package

and is specified over - 40 °C to 85 °C temperature

range.

TYPICAL APPLICATION CIRCUIT

SiP4280A

0.1 µF

1 µF

Document Number: 73602

S-61772–Rev. C, 11-Sep-06

www.vishay.com

12 3 4 5 6 7...9

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