SC4612 Datasheet, PDF (5/24 Pages) Semtech Corporation – Wide Input Range High Performance Synchronous Buck Switching Controller

POWER MANAGEMENT
Timing Diagrams
Vcc
UVLO
4.58V
2.75V
1.3V
0.8V
0.5V
No fault start up sequence
SC4612
VCC
SS/EN
EAO
Vcc
UVLO
4.58V
2.75V
1.3V
0.8V
0.5V
Soft Start Duration
Asynchronous
Operation
Over current fault at Asynchronous start up sequence
Fault
occur
Fault removed,
normal operation resumed
EOA<FB+0.7V
DH
DL
VCC
SS/EN
EAO
DH
 2007 Semtech Corp.
Fault
present for
10 cycles
Soft Start Duration
Asynchronous
Operation
5
DL
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