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SC194AEVB Datasheet(PDF) 15 Page - Semtech Corporation

Part # SC194AEVB
Description  1A Synchronous Buck Converter with Integrated Power Devices
PDF  17 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC194AEVB Datasheet(HTML) 15 Page - Semtech Corporation

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© 2006 Semtech Corp.
www.semtech.com
SC194A
PRELIMINARY
POWER MANAGEMENT
SC194A
VIN
LX
EN
SYNC/PWM
VOUT
VID0
VID1
PGND
MODE
GND
CIN
L1
COUT
10μF
10μF
4.7μH
VIN
2.7V to 5.5V
VOUT
1V
1A
Applications Circuits
V
OUT = 1.8V with PSAVE and 100% Duty Cycle
V
OUT = 1.0V with Forced PWM and no 100% Duty Cycle
SC194A
VIN
LX
EN
SYNC/PWM
VOUT
VID0
VID1
PGND
MODE
GND
CIN
L1
COUT
22μF
10μF
4.7μH
VIN
2.7V to 5.5V
VOUT
1.8V
1A
SC194A
VIN
LX
EN
SYNC/PWM
VOUT
VID0
VID1
PGND
MODE
GND
L1
COUT
22μF
4.7μH
VIN
2.7V to 5.5V
CIN
10μF
“Sleep” Flag from
uProc
Changes voltage
from 1.8V to 1.2V
VOUT
1.8V
norm
VOUT
1.2V
“sleep”
Mobile Voltage Positioning for Reduced System Dissipation in "Sleep" Modes



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