SI3865BDV_10 datasheet(1/10 Pages) VISHAY

部品番号	SI3865BDV

部品情報	Load Switch with Level-Shift

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Vishay Siliconix

Si3865BDV

Document Number: 72848

S10-2142-Rev. D, 20-Sep-10

www.vishay.com

1

Load Switch with Level-Shift

FEATURES

•

Halogen-free According to IEC 61249-2-21

Definition

•

60 m

 Low R

DS(on) TrenchFET

®: 1.8 V Rated

•

1.8 V to 8 V Input

•

1.5 V to 8 V Logic Level Control

•

Low Profile, Small Footprint TSOP-6 Package

•

3000 V ESD Protection On Input Switch, VON/OFF

•

Adjustable Slew-Rate

•

Compliant to RoHS Directive 2002/95/EC

PRODUCT SUMMARY

VDS2 (V)

RDS(on) ()ID (A)

1.8 to 8

0.060 at VIN = 4.5 V

2.9

0.100 at VIN = 2.5 V

2.2

0.175 at VIN = 1.8 V

1.7

DESCRIPTION

The Si3865BDV includes a p- and n-channel MOSFET in a

single TSOP-6 package. The low on-resistance p-channel

TrenchFET® is tailored for use as a load switch. The

n-channel, with an external resistor, can be used as a level-

shift to drive the p-channel load-switch. The n-channel

MOSFET has internal ESD protection and can be driven by

logic signals as low as 1.5 V. The Si3865BDV operates on

supply lines from 1.8 V to 8 V, and can drive loads up to 2.9 A.

APPLICATION CIRCUITS

* Minimum R1 value should be at least 10 x R2 to ensure Q1 turn-on.

The Si3865BDV is ideally suited for high-side load switching

in portable applications. The integrated N-Channel level-shift

device saves space by reducing external components. The

slew rate is set externally so that rise-times can be tailored to

different load types.

VOUT

GND

LOAD

VIN

ON/OFF

R2

1

2, 3

C1

6

4

6

5

R1

Q1

Q2

Co

Ci

Si3865BDV

Switching Variation

R2 at VIN = 2.5 V, R1 = 20 k

0

8

16

24

32

40

02468

R2 (k

)

IL = 1 A

VON/OFF = 3 V

Ci = 10 µF

Co = 1 µF

tr

td(on)

td(off)

tf

Note: For R2 switching variations with other VIN/R1

combinations See Typical Characteristics

COMPONENTS

R1

Pull-Up Resistor

Typical 10 k

 to 1 M*

R2

Optional Slew-Rate Control

Typical 0 to 100 k

*

C1

Optional Slew-Rate Control

Typical 1000 pF

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