NJU7631 JRC, NJU7631 Datasheet - Page 6

• Manufacturer Part Number: NJU7631
• Description: Switching Regulator IC / TVSP8
• Manufacturer: JRC

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NJU7631
■TYPICAL CHARACTERISTICS
- 6 -
1000
100
100
80
60
40
20
0
Oscillation Frequency vs. Timing Resistance
0
10
Dead Time Control Resistance R
(V
20
Timing Resistance R
+
=3.3V, R
(V
Duty Cycle vs. R
+
=3.3V, Ta=25
40
T
=47kΩ, Ta=25
60
o
DTC
C)
1400
1200
1000
T
800
600
400
200
100
(kΩ)
80
0
DTC
o
0
C)
Quiescent Current vs. Operating Voltage
(R
(kΩ)
100
T
=47kΩ, R
2
Operating Voltage V
L
4
=Non Load, Ta=25
1.004
1.002
0.998
0.996
740
720
700
680
660
6
1
Oscillation Frequency vs. Operating Voltage
0
0
Reference Voltage vs. Operating Voltage
+
(V)
8
2
2
Operating Voltage V
Operating Voltage V
o
C)
(R
T
10
=47kΩ, Ta=25
(Ta=25
4
4
o
C)
6
6
o
C)
+
+
(V)
(V)
8
8
Ver.2006-07-12
10
10