mb3843pfv Fujitsu Microelectronics, Inc., mb3843pfv Datasheet - Page 13

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

100 k
40
30
20
10
10
20
30
40
10 k
0
1 M
2.0
1.5
1.0
0.5
0.0
0.5
1.0
1.5
2.0
1 k
1 k
1 k
40
Error Amp. gain, phase vs. Frequency
Error amp. threshold voltage vs. Temperature
Triangular wave frequency vs. R
20
10 k
0
10 k
Frequency f (Hz)
Temperature Ta ( C)
R
T
100 k
resistance ( )
20
40
100 k
1 M
V
CTL 5 V
V
CTL 5 V
SEL 0 V
CC
CC
T
60
CT 100 pF
CT 270 pF
CT 330 pF
CT 1500 pF
resistance
V in1 16 V
Vin1 16 V
10 M
80
180
135
90
45
0
45
90
135
180
MB3813A/MB3833A/MB3843
1 M
100
2.0
1.5
1.0
0.5
0.0
0.5
1.0
1.5
2.0
100 k
10 k
1 M
40
1 k
10 p
1 F
Error amp. Threshold voltage vs. Temperature
Triangular wave frequency vs. C
20
10 k
VREF
10 k
2.4 k
100 p
0
Temperature Ta ( C)
4 V
C
20
T
capacitance (F)
2 V
1 n
40
240 k
V
CTL 5 V
SEL 5 V
Error Amp.
V
CTL 5 V
CC
60
CC
T
RT 15 k
Vin1 16 V
capacitance
10 n
V in1 16 V
80
(Continued)
100
100 n
13