MB39A113 Datasheet, PDF (5/51 Pages) Fujitsu Component Limited. – ASSP for Power Supply Applications (Secondary Battery)

MB39A113
s BLOCK DIAGRAM
−INE1 8
OUTC1 10
+INC1 13
−INC1 ₁₂
<Current Amp 1>
+
×20
−
+INE1 9
−INE2 4
OUTC2 2 ^{<Current Amp 2>}
+INC2 24
+
×20
−INC2 1
−
+INE2 3
FB12 ₇
−INE3 16
OUTD 11
FB3 15
VREF
<Error Amp1>
−
+
+
<Error Amp2>
−
+
+
<CV Comp.>
−
+
2.6 V
<OV Comp.>
+
−
1.4 V
5 _CVM
18 OVP
0.2 V
+
−
<UV Comp.>
−INC2
(VO)
<PWM Comp.>
++
−
21 VCC
<OUT>
Drive
20 OUT
VREF
<Error Amp3>
−
+
+
4.2 V
−2.5 V
−1.5 V
19
VCC − 6 V
VH
VH
Bias
Voltage
UVLO
VREF
UVLO
<SOFT>
VREF
10 µA
CS 22
4.2 V
bias
VCC
<OSC>
500 kHz
CT
45 pF
<REF> <CTL>
VREF
5.0 V
17
6
23
RT
VREF
GND
14 CTL
5