MB39A113 Datasheet, PDF (25/51 Pages) Fujitsu Component Limited. – ASSP for Power Supply Applications (Secondary Battery)

MB39A113
s I/O EQUIVALENT CIRCUIT
Reference voltage block
VCC 21
ESD
protection
element
GND 23
+
−
37.8
kΩ
12.35
kΩ
6 VREF
ESD
protection
element
Soft-start block
Triangular wave
oscillator block
VREF
(5.0 V)
VCC
VREF
(5.0 V)
22 CS
1.3 V +
−
GND
GND
Control block
CTL 14
33.1
kΩ
51
kΩ
GND
Error amplifier block (Error Amp1)
VCC
−INE1 8
17 RT
GND
CS
9 +INE1
Error amplifier block (Error Amp2)
VCC
VREF
(5.0 V)
−INE2 4
CS
FB12
Error amplifier block (Error Amp3)
VCC
VREF
(5.0 V)
−INE3 16
CS
4.2 V
7 FB12
15 FB3
GND
3 +INE2
Current detection amplifier block
(Current Amp1)
VCC
GND
Current detection amplifier block
(Current Amp2)
VCC
+INC1 13
GND
12 −INC1
+INC2 24
10 OUTC1
GND
2 OUTC2
1 −INC2
(Continued)
25