Fujitsu MB3887 Datasheet page 13

Triangular wave oscillation frequency
vs. Timing resistor
1 M
100 k
10 k
10 100
Timing resistor R
Triangular wave oscillation frequency
vs. Ambient temperature
320
315
310
305
300
295
290
285
280
275
270
265
260
40 20 0 20
Ambient temperature Ta ( C)
Ta 25 C
VCC 19 V
CTL 5 V
1000
(k )
T
VCC 19 V
CTL 5 V
RT 47 k
40 60 80 100
Triangular wave oscillation frequency
vs. Power supply voltage
340
330
320
310
300
290
280
270
260
0 5 10
Power supply voltage V
Error amplifier threshold voltage
vs. Ambient temperature
4.25
2.24
4.23
2.22
4.21
4.20
4.19
4.18
4.17
4.16
4.15
40 20 0 20
Ambient temperature Ta ( C)
MB3887
Ta 25 C
CTL 5 V
RT 47 k
15 20 25
(V)
CC
VCC 19 V
CTL 5 V
40 60 80 100
(Continued)
13