NJU7678
■TYPICAL CHARACTERISTICS
Oscillation Frequency vs. Timing Resistance
1000
(V+=3.3V, Ta=25oC)
100
10
100
Timing Resistance R (kΩ)
T
Oscillation Frequency vs. Operating Voltage
(R =47kΩ, Ta=25oC)
740
T
720
700
680
660
0
2
4
6
8
Operating Voltage V+ (V)
Reference Voltage vs. Operating Voltage
1.01
(Ta=25oC)
1.005
1
0.995
0.99
0
2
4
6
8
Operating Voltage V+ (V)
-6-
Maximum Duty Cycle vs. Oscillator Frequency
(V+=3.3V, Ta=25oC)
100
95
90
85
80
100
1000
Oscillator Frequency f (kHz)
OSC
Duty Cycle vs. R
DTC
(V+=3.3V, R =47kΩ, Ta=25oC)
100
T
80
60
40
20
0
0
20 40 60 80 100
Dead Time Control Resistance R (kΩ)
DTC
Quiescent Current vs. Operating Voltage
(R =47kΩ, V =1.1V, V =0.5V, Ta=25oC)
16 T
IN-
FB
14
12
10
8
6
4
2
0
0
2
4
6
8
Operating Voltage V+ (V)
Ver.2010-10-26