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MB3832A
DC/DC Converter IC for Charging
Fujitsu
MB3832A Datasheet PDF : 24 Pages
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MB3832A
(Continued)
Current
detector
amplifier
block
(Current
Amp.)
Parameter
Pin
Symbol
no.
Condition
Input offset voltage
V
IO
10, 9
V
+INC
, V
–INC
= 2.4 V to 12.6 V
Input bias current
Output voltage
Common mode input
voltage range
I
+INC
10
V
+INC
= 12.7 V,
V
–INC
= 12.6 V
I
–INC
9
V
+INC
= 0.1 V,
V
–INC
= 0 V
V
O1
12
V
+INC
= 12.7 V,
V
–INC
= 12.6 V
V
O2
12
V
+INC
= 12.8 V,
V
–INC
= 12.6 V
V
O3
12
V
+INC
= 0.1 V,
V
–INC
= 0 V
V
O4
12
V
+INC
= 0.2 V,
V
–INC
= 0 V
V
CM
10, 9
—
Common mode
rejection ratio
CMRR
12
V
+INC
, V
–INC
= 2.4 V to 12.6 V
Voltage gain
A
V
Frequency bandwidth BW
Output resistance
R
O
12 V
–INC
= 12.6 V
12 A
V
= 0 dB
12 f = 10 kHz
PWM
comparator
block
(PWM
Comp.)
Maximum output
voltage width
Output source current
Output sink current
Threshold voltage
Input bias current
Latch mode input
current
Input latch voltage
ON duty cycle
V
OM+
V
OM–
I
OM–
I
OM+
V
T0
V
T100
I
DTC
I
DTC
V
DTC
Dtr
12
—
12
—
12 V
COUT
= 2.5 V
12 V
COUT
= 2.5 V
19 Duty cycle = 0 %
19 Duty cycle = 100 %
16 V
DTC
= 0.4 V
16 V
DTC
= 2.5 V
16 I
DTC
= 100
µ
A
19 V
DTC
= V
REF
/1.56
(V
CC
= 16 V, Ta = +25
°
C)
Value
Unit
Min
Typ
Max
–2
—
2 mV
—
1
2
µ
A
–2
–1
—
µ
A
2.25
2.5
2.75 V
4.5
5.0
5.5 V
2.25
2.5
2.75 V
4.5
5.0
5.5 V
0
—
V
CC
V
60
22.5
—
—
V
CC
–
2.0
—
—
60
1.2
—
–1.0
270
—
43
90
25
500*
20*
V
CC
–
1.6
50
–7
170
1.3
1.9
–0.2
900
0.15
48
— dB
27.5 V/V
— kHz
—
Ω
—
V
200 mV
–2 mA
—
µ
A
—
V
2.0 V
—
µ
A
—
µ
A
0.3 V
53 %
(Continued)
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