MB3879
(Continued)
Pin No.
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Symbol
VH
GND0
TEST
−INE5
FB5
+INE4
−INE4
OUTC3
FB4
+INC3
IN2
CT
GND
DTC
+INE2
−INE2
FB2
+INE1
−INE1
OUTC1
FB1
−INC1
+INC1
I/O
Descriptions
O FET driver circuit power supply terminal (VH = VCC−6V)
Ground terminal
O Internal reference voltage for setting charge voltage
I <BATT2> Error amplifier (Error Amp5) inverted input terminal
O <BATT2> Error amplifier (Error Amp5) output terminal
I <BATT2> Error amplifier (Error Amp4) non-inverted input terminal
I <BATT2> Error amplifier (Error Amp4) inverted input terminal
O <BATT2> Current detection amplifier (Current Amp3) output terminal
O <BATT2> Error amplifier (Error Amp4) output terminal
I <BATT2> Current detection amplifier (Current Amp3) input terminal
I
<BATT2> Current detection amplifier (Current Amp3) input terminal
Output voltage feedback input terminal
Triangular wave oscillation frequency setting capacitor connection
terminal
Ground terminal
I External duty control input terminal
I Error amplifier (Error Amp2) non-inverted input terminal
I Error amplifier (Error Amp2) inverted input terminal
O Error amplifier (Error Amp2) output terminal
I Error amplifier (Error Amp1) non-inverted input terminal
I Error amplifier (Error Amp1) inverted input terminal
O Current detection amplifier (Current Amp2) output terminal
O Error amplifier (Error Amp1) output terminal
I Current detection amplifier (Current Amp1) input terminal
I Current detection amplifier (Current Amp1) input terminal
5