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SC4612HSTRT Datasheet(PDF) 8 Page - Semtech Corporation

Part # SC4612HSTRT
Description  40V Synchronous Buck Controller
PDF  21 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC4612HSTRT Datasheet(HTML) 8 Page - Semtech Corporation

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© 2008 Semtech Corp.
www.semtech.com
SC4612H
POWER MANAGEMENT
Typical Characteristics
Typical Soft Start Current vs Temperature
22
23
24
25
-50
0
50
100
150
Temperature (
OC)
Typical Error Amp Output Current vs Temperature
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
-50
0
50
100
150
Temperature (
OC)
Source; V
EAO=0V; VFB=0V
Sink; V
EAO=1.5V; VFB=0.6V
Typical DRV Voltage vs Load Current
25C
-40C
125C
5
6
7
8
0
20
40
60
80
100
120
140
IDRV (mA)
Typical UVLO vs Temperature
VDD Rising
VDD Falling
4.0
4.1
4.2
4.3
4.4
4.5
-50
0
50
100
150
Temperature (
OC)
Typical VFB vs Temperature
VDD=5V
VDD=42V
497
498
499
500
501
502
503
-50
0
50
100
150
Temperature (
OC)
Typical Oscillator Charge Current vs Temperature
94
96
98
100
102
104
-50
0
50
100
150
Temperature (
OC)



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