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SiP32451, SiP32452, SiP32453
Vishay Siliconix
0.9 V to 2.5 V, 55 m ? Load Switch in WCSP4
DESCRIPTION
FEATURES
SiP32451, SiP32452 and SiP32453 are n-channel integrated
high side load switches that operate from 0.9 V to 2.5 V input
voltage range.
SiP32451, SiP32452 and SiP32453 have low input logic
control threshold that can interface with low voltage control
GPIO directly without extra level shift or driver. There is a pull
down at this EN logic control pin.
Turn on time is fast, less than 25 μs typically for input
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Low input voltage, 0.9 V to 2.5 V
Low R ON , 55 m ? typical
Fast turn on time
Low logic control with hysteresis
Reverse current blocking when disabled
Integrated pull down at EN pin
Output discharge (SiP32451)
voltage of 1.2 V or higher. SiP32451 and SiP32452 have
fast turn off delay time of less than 1 μs while SiP32453
features a guaranteed turn off delay of greater than 30 μs,
typically 90 μs.
SiP32451 features an output discharge for fast turn off.
SiP32451, SiP32452 and SiP32453 are available in compact
wafer level CSP package, WCSP4 0.8 mm x 0.8 mm with
0.4 mm pitch.
? 4 bump WCSP 0.8 mm x 0.8 mm with 0.4 mm pitch
package
? Material categorization: For definitions of compliance
please see www.vishay.com/doc?9991
APPLICATIONS
? Battery operated devices
TYPICAL APPLICATION CIRCUIT
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Smart phones
GPS and PMP
Computer
Medical and healthcare equipment
Industrial and instrument
Cellular phones and portable media players
Game console
V I N
I N
OUT
V OUT
SiP32451, SiP32452, SiP32453
G N D
C I N
E N
E N
G N D
C OUT
G N D
Figure 1 - SiP32451, SiP32452, and SiP32453 Typical Application Circuit
Document Number: 63315
S12-2345-Rev. D, 8-Oct-12
For technical questions, contact: powerictechsupport@vishay.com
www.vishay.com
1
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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