mb3843pfv Fujitsu Microelectronics, Inc., mb3843pfv Datasheet - Page 10

• Manufacturer Part Number: mb3843pfv
• Description: Lithium Ion Battery Charger Dc/dc Converter Ic High Precision With Constant-current Function
• Manufacturer: Fujitsu Microelectronics, Inc.

10
MB3813A/MB3833A/MB3843
Error
amplifiers
common)
Current
detector
amplifier block
PWM
comparator
block (PWM)
Output block
(OUT)
(Error Amp.1, 2
(Current Amp.)
Parameter
Voltage
gain
Frequency
bandwidth
Output
voltage
Output
source
current
Output sink
current
Threshold
voltage
Input
current
In-phase
input
voltage
range
Voltage
gain
Threshold
voltage
ON
resistance
Output
voltage
Standby
leak current
Symbol
I
SOURCE
V
I
BW
V
V
R
V
V
V
V
V
I
A
SINK
A
I
IN1
T100
LO
CM
OH
OL
ON
OL
T1
T2
T0
V
V
No.
Pin
15 Duty cycle
15 Duty cycle
15 OUT
15 OUT
15
6
6
6
6
2
2
2
2
2
2
2
2
2
2
2
DC
A
FB
FB
IN2
V
IN2
V
IN1 12.7 V, IN2 12.6 V
IN1
IN1
IN1 12.7 V, IN2 12.6 V
IN1
IN1
V
CTL
V
T1
T2
CC
0 dB
1.5 V
1.5 V
IN1
IN1
3 V to V
0 V
8.5 V, IN2
4.3 V, IN2
8.5 V, IN2
4.3 V, IN2
18 V, OUT
0 V
100 mA
Condition
30 mA
IN2
IN2
0
100
CC
Vin2
2.5 V
Vin2
0.75 V
Vin2
2.5 V
Vin2
0.75 V
8.4 V
4.2 V
8.4 V
4.2 V
18 V,
(V
CC
Min
2.3
0.6
0.9
90
20
50
21
21
21
1.0
Vin1
5
0
Value
100*
800*
Typ
100
100
2.5
0.8
2.0
1.0
2.0
1.0
120
30
30
17
17
17
25
25
25
12
16 V, V
Max
110
150
V
0.9
2.1
1.4
1.0
40
55
34
34
34
29
29
29
18
SEL
60
CC
0 V, Ta
Unit Remarks
kHz
V/V MB3813A
V/V MB3833A
V/V MB3843
mA
mV
mV
mV
mV
dB
V
V
V
V
V
V
A
A MB3813A
A MB3833A
A MB3843
A
(Continued)
25 C)