US3010ACW UNISEM [UNISEM], US3010ACW Datasheet - Page 5

• Manufacturer Part Number: US3010ACW
• Description: 5 BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC
• Manufacturer: UNISEM [UNISEM]

BLOCK DIAGRAM
BLOCK DIAGRAM
Rev. 1.1
5/18/98
OVP
Gnd
V12
En
V5
D0
D1
D2
D3
D4
Figure 1 - Simplified block diagram of the US3010/3010A.
UVLO
DAC,
Logic
Ctrl
5Bit
1.18Vset
Enable
Vset
Enable
Start &
Comp
Slope
Logic
Fault
Soft
+
Vset
Enable
Enable
Osc
Control
PWM
Current
Over
1.1Vset
0.9Vset
200uA
3010Ablk1-1.2
V12
V12
US3010/3010A
Vfb
HDrv
LDrv
CS-
CS+
Ct
SS
PGd
4-5