MB3828 Datasheet, PDF (4/26 Pages) Fujitsu Component Limited. – Pentium DC/DC Converter IC

MB3828
s BLOCK DIAGRAM
–IN ₅
FB ₆
RS
2
CS
4
VSENSE
20
CS
Error
– ^Amp.
+
+
PWRGOOD
21
POWERGOOD
PWRGD _(±10%)
Overvoltage
protection
OVP
DTC
(17.5%)
PWM
Comp.1
+
+
–
PWM
VB _Comp.2
+
–
Drive
1
Drive
2
VB
13
CB
10
OUT1
8
VS
9
OUT2
11
PGND
12
VD0 14
VD1 15
VD2 16
VD3 17
VD4 18
D/A
(5-bit)
OSC
CT
(40 pF)
VSCP
1
RT
VCS
SCP
Comp.
+
–
+
–
CS
Comp.
19 CTL
CTL
bias
LOGIC
7 ENB
SCP
UVLO
22
CSCP
bias
Power
Ref ON/OFF
CTL
(3.5 V)
VCC
23
24
3
VREF SGND
4