Table of Contents
Advertisement
MB3878
BLOCK DIAGRAM
8
10
<Current Amp.1>
13
12
9
7
FB1
INE2
4
2
OUTC2
<Current Amp.2>
24
INC2
1
INE2
3
5
FB2
16
11
FB3
15
CS
22
4
<Error
VREF
Amp.1>
25
<Error
Amp.2> VREF
25
<Error
Amp.3> VREF
4.2 V
<SOFT>
VREF
1 A
(45 pF)
<PWM Comp.>
<OUT>
Drive
VCC
Bias
Voltage
(V
CC
<VH>
2.5 V
1.5 V
<UVLO>
(VCC UVLO)
215 k
35 k
0.91 V
(0.77 V)
VREF
UVLO
VCC
bias
<OSC>
<REF>
<CTL>
VREF
5.0 V
17
6
23
RT
GND
VREF
21
VCC (O)
20
OUT
19
VH
5 V)
VCC
18
VCC
14
CTL
Advertisement
Table of Contents
