MB3769A Datasheet, PDF (7/26 Pages) Fujitsu Component Limited. – SWITCHING REGULATOR CONTROLLER

MB3769A
1.0 V
Fig. 2 - MB3769A Test Circuit
15.0 V
COMP
in
10 kΩ
16
15
14
13
12
11
+IN (C)
-IN (C)
VREF
OVP
VCC
VZ
MB3769A
+IN (OP)
1
-IN (OP) FB
2
3
DTC
CT
RT
4
5
6
680 pF 18 kΩ
<tr, tf, td>
3.5 V typ.
Voltage at CT
1.5 V typ.
COMP in
0.95 V
VFB
VDTC
TEST INPUT
1.05 V
1.0 V
90%
OUTPUT
10%
tr
50%
tf
td
OUTPUT
10
9
VH
OUT
GND
VL
7
8
1000 pF
tr of COMP-in should
be within 20 ns.
7