SC4806 Datasheet, PDF (14/22 Pages) Semtech Corporation – Multiple Function Double Ended PWM Controller

www.semtech.com
SC4806
C8 1u,100V
C9 1u,100V
D4
C
C10 1u,100V
C
E
C12
10u,16V
C11
.1u,16V
ZM4743A
A
3
3
2
R_GS_MA1
R_GS_MB1
2
1
8
N = 100
7
3
3
4
2
1
C16
22u,6.3V
C17
22u,6.3V
C18
22u,6.3V
C19
22u,6.3V
C20
22u,6.3V
C21
22u,6.3V
C22
0.1u
C14
0.1u
14
POWER MANAGEMENT
Push Pull Evaluation Board Sch
CMOSH-3 CMOSH-3
C
5
3
C30
82pF
7
REF 8
0
9
FB
REF
GND(heatsink)
GND
SYNC ³
SS ²
LUVLO ¹
0.1u,25V
C29
AC
A
2
CMOSH-3 CMOSH-3
C
5
3
AC
A
2
CMOSH-3
CMOSH-3
C
A
A
C
CMOSH-3
A
C
C
CMOSH-3
A
C
1
V ref
2
1
V ref
 2006 Semtech Corp.
2
A