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Número de pieza
componentes Descripción
SC2441AEVB Ver la hoja de datos (PDF) - Semtech Corporation
Número de pieza
componentes Descripción
Fabricante
SC2441AEVB
1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter
Semtech Corporation
SC2441AEVB Datasheet PDF : 37 Pages
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POWER MANAGEMENT
SC2441A
Vcc
4.5V
1.25V
3.3V
V
SOFT-START
Enable Hiccup
1.85V
V
COMP
PWM
V
OUT
Figure 6a. SC2441A Start-up Timing Diagram
V
SOFT-START-CAP
V
O
70% X V
O
Setpoint
0.8V
1.25V
3.3V
Enable
Hiccup
1.85V
V
COMP
V
O
PWM
0.5V
Disable Hiccup
restart
Figure 6b. SC2441A Overload Hiccup Operation Timing Diagram
2006 Semtech Corp.
11
www.semtech.com
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