POWER MANAGEMENT
Block Diagram
VCC
REF
Bandgap
CS
Slope Comp.
S
Q
R
OVER CURRENT
Enable
Peak Current
OSC
500mv
UVLO
LUVLO
SOFT
START
R
2R
SYNC
LUVLO
Marking Information
Top Mark
FB
RC
SYNC
SC4808A/B
S
Q
R
Q
T
Q
OUTA
Disable
LUVLO
OUTB
GND
Top Mark
ABOA
yyww
Bottom Mark
xxxx
xxxx
ABOB
yyww
Bottom Mark
xxxx
xxxx
SC4808AIMSTR, SC4808AIMSTRT
SC4808BIMSTR, SC4808BIMSTRT
yyww = Datecode (Example: 9912)
xxxx = Semtech Lot # (Example: E901
xxxx
01-1)
2005 Semtech Corp.
6
www.semtech.com