MB39A114 Datasheet, PDF (9/54 Pages) Fuji Electric – DC/DC Converter IC for Charging Li-ion Battery

MB39A114
Parameter
Symbol Pin No.
(VCC = 19 V, VREF = 0 mA, Ta = +25 °C)
Conditions
Value
Unit
Min Typ Max
Voltage gain
AV
15 DC
 100*  dB
Frequency
bandwidth
BW
15 AV = 0 dB
 1.3*  MHz
VFBH
15
Output voltage
VFBL
15

4.8 5.0  V

 0.8 0.9 V
Output source
current
ISOURCE
15 FB3 = 2 V
 −120 −60 µA
Output sink
current
ISINK
15 FB3 = 2 V
2.0 4.0  mA
VTH1
1
SEL = 5 V, FB3 = 2 V,
Ta = +25 °C
16.716 16.800 16.884 V
Error amplifier
block
[Error Amp3]
Threshold
voltage
VTH2
1
SEL = 5 V, FB3 = 2 V,
Ta = −10 °C to +85 °C
VTH3
1
SEL = 0 V, FB3 = 2 V,
Ta = +25 °C
VTH4
1
SEL = 0 V, FB3 = 2 V,
Ta = −10 °C to +85 °C
16.676 16.800 16.924 V
12.537 12.600 12.663 V
12.507 12.600 12.694 V
IIN
Input current
IINL
1 −INC2 = 16.8 V

1 VCC = 0 V, −INC2 = 16.8 V 
84 150 µA

1 µA
Input
R1 1, 16

105 150 195 kΩ
resistance
R2
16

35
50
65 kΩ
SEL input
voltage
VON
11
+INE3 = 4.2 V
(4 Cell setting)
VOFF
11
+INE3 = 3.15 V
(3 Cell setting)
2

25 V
0
 0.8 V
Input current
ISELH
ISELL
11 SEL = 5 V
11 SEL = 0 V

50 100 µA

0
1 µA
Input offset
voltage
VIO
1, 12, +INC1 = +INC2 =
13, 24 −INC1 = −INC2 = 3 V to VCC
−3

+3 mV
Current
I + INCH
13, 24
+INC1 = +INC2 = 3 V to VCC,
∆VIN = −100 mV

20
30 µA
detection
amplifier block
[Current Amp1, _{Input current}
Current Amp2]
I − INCH
I + INCL
12
+INC1 = 3 V to VCC,
∆VIN = −100 mV
13, 24
+INC1 = +INC2 = 0 V,
∆VIN = −100 mV
 0.1 0.2 µA
−180 −120  µA
I − INCL
1, 12
+INC1 = +INC2 = 0 V,
∆VIN = −100 mV
−195 −130  µA
* : Standard design value
(Continued)
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