MB39A125 Datasheet, PDF (17/64 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Charging Li-ion Battery

MB39A125/126
Parameter
5-2.
SEL input
Error
voltage
amplifier
block
[Error Amp3]
Input
current
Input
offset
voltage
Input
current
6.
Current
Detection
Amplifier
Block
[Current
Amp1,
Current
Amp2]
Current
detection
voltage
Common
mode input
voltage
range
Voltage
gain
Sym-
bol
Pin No.
Condition
VON
VOFF
ISELH
ISELL
VIO
I+INCH
I-INCH
I+INCL
I-INCL
VOUTC1
VOUTC2
VOUTC3
VOUTC4
Error Amp3
11
reference voltage
= 4.2 V
(4-cell setting)
Error Amp3
11
reference voltage
= 3.15 V
(3-cell setting)
11 SEL = 5 V
11 SEL = 0 V
1, 12,
13, 24
+INC1 = +INC2 =
−INC1 = −INC2 =
3 V to VCC
+INC1 = +INC2 =
13, 24 3 V to VCC,
∆VIN = −100 mV
+INC1 = +INC2 =
1, 12 3 V to VCC,
∆VIN = −100 mV
+INC1 = +INC2 =
1 3 V to VCC,
∆VIN = −100 mV
13, 24
+INC1 = +INC2 = 0 V,
∆VIN = −100 mV
1, 12
+INC1 = +INC2 = 0 V,
∆VIN = −100 mV
+INC1 = +INC2 =
2, 10 3 V to VCC,
∆VIN = −100 mV
+INC1 = +INC2 =
2, 10 3 V to VCC,
∆VIN = −20 mV
2, 10
+INC1 = +INC2 = 0 V,
∆VIN = −100 mV
2, 10
+INC1 = +INC2 = 0 V,
∆VIN = −20 mV
VCM
1, 12,
13, 24
⎯
+INC1 = +INC2 =
Av 2, 10 3 V to VCC,
∆VIN = −100 mV
(VCC = 19 V, VREF = 0 mA, Ta = +25 °C)
Value
Unit Remarks
Min Typ Max
2
⎯
25 V MB39A126
0
⎯ 0.8 V MB39A126
⎯
50 100 µA MB39A126
⎯
0
1 µA MB39A126
−3 ⎯
+3 mV
⎯
20
30 µA
⎯ 0.1 0.2 µA MB39A125
⎯ 0.1 0.2 µA MB39A126
−180 −120 ⎯ µA
−195 −130 ⎯ µA
1.9 2.0 2.1 V
0.34 0.40 0.46 V
1.8 2.0 2.2 V
0.2 0.4 0.6 V
0
⎯
VCC
V
19
20
21 V/V
(Continued)
17