MB3888 Datasheet, PDF (12/30 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Charging Li-ion Battery

MB3888
Triangular wave oscillation frequency vs.
Timing resistor
1M
Ta = +25 °C
VCC = 19 V
CTL = 5 V
100 k
10 k
10
100
1000
Timing resistor RT (kΩ)
Triangular wave oscillation frequency vs.
Ambient temperature
320
315
310
305
300
295
290
285
280
275
270
265
260
−40 −20 0
VCC = 19 V
CTL = 5 V
RT = 43 kΩ
20 40 60 80 100
Ambient temperature Ta ( °C)
Triangular wave oscillation frequency vs.
Power supply voltage
320
315
310
305
300
295
290
285
280
275
270
265
260
0
Ta = +25 °C
CTL = 5 V
RT = 43 kΩ
5
10
15
20
25
30
Power supply voltage VCC (V)
(Continued)
12