MB3878 Fujitsu Media Devices, MB3878 Datasheet - Page 10
MB3878
Manufacturer Part Number
MB3878
Description
DC/DC Converter IC for Charging
Manufacturer
Fujitsu Media Devices
Datasheet
1.MB3878.pdf
(24 pages)
- Current page: 10 of 24
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10
MB3878
340
330
320
310
300
290
280
270
260
250
240
100 k
10 k
1 M
40
10 k
Triangular wave oscillator frequency vs.
Triangular wave oscillator frequency
20
Ambient temperature Ta ( C)
Timing resistor R
0
timing resistor
20
100 k
40
T
60
( )
VCC
CTL
RT
Ta
VCC
CTL
47 k
80
5 V
19 V
25 C
5 V
19 V
100
1 M
340
330
320
310
300
290
280
270
260
250
240
5.0
4.0
3.0
2.0
1.0
0.0
1.0
2.0
3.0
4.0
5.0
Triangular wave oscillator frequency vs.
0
40
Error amplifier threshold voltage vs.
ambient temperature (Error Amp.3)
Ambient temperature Ta ( C)
Power supply voltage V
20
5
power supply voltage
0
10
20
40
15
60
CC
Ta
CTL
RT
VCC
CTL
(V)
20
80
47 k
25 C
(Continued)
5 V
5 V
19 V
100
25
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