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SI3861BDV PDF预览

SI3861BDV

更新时间: 2024-11-21 06:11:35
品牌 Logo 应用领域
威世 - VISHAY 开关
页数 文件大小 规格书
6页 118K
描述
Load Switch with Level-Shift

SI3861BDV 数据手册

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Si3861BDV  
Vishay Siliconix  
New Product  
Load Switch with Level-Shift  
FEATURES  
PRODUCT SUMMARY  
D 4.5-V Rated  
VDS2 (V)  
rDS(on) (W)  
ID (A)  
D ESD Protected: 3000 V  
D 105-mW Low rDS(on) TrenchFETr  
0.075 @ V = 10 V  
"2.3  
"1.9  
"1.7  
IN  
RoHS  
COMPLIANT  
D 4.5 to 20-V Input  
0.120 @ V = 5.0 V  
IN  
4.5 to 20  
D 1.5 to 8 -V Logic Level Control  
D Low Profile, Small Footprint TSOP-6 Package  
0.145 @ V = 4.5 V  
IN  
D 3000-V ESD Protection On Input Switch,  
VON/OFF  
D Adjustable Slew-Rate  
DESCRIPTION  
The Si3861BDV includes a p- and n-channel MOSFET in a  
single TSORP-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 Si3861DV operates on  
supply lines from 4.5 to 20-V, and can drive loads up to 2.3 A.  
APPLICATION CIRCUITS  
Switching Variation  
R2 @ V = 5 V, R1 = 20 kW  
Si3861BDV  
IN  
10  
t
f
2, 3  
4
V
8
6
4
2
0
OUT  
V
IN  
Q2  
Q1  
t
d(off)  
R1  
C1  
6
5
6
t
r
ON/OFF  
t
LOAD  
d(on)  
C
o
I
= 1 A  
ON/OFF  
L
V
= 3 V  
C = 10 mF  
C
i
= 1 mF  
o
C
i
1
0
2
4
6
8
10  
12  
R2  
R2 (kW)  
GND  
Note: For R2 switching variations with other V /R1  
IN  
R2  
combinations See Typical Characteristics  
The Si3861BDV 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.  
COMPONENTS  
R1  
R2  
C1  
Pull-Up Resistor  
Typical 10 kW to 1 mW*  
Typical 0 to 100 kW*  
Typical 1000 pF  
Optional Slew-Rate Control  
Optional Slew-Rate Control  
*Minimum R1 value should be at least 10 x R2 to ensure Q1 turn-on.  
Document Number: 73343  
S-51015—Rev. A, 23-May-05  
www.vishay.com  
1

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