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NJU7630 Datasheet(PDF) 6 Page - New Japan Radio

Part No. NJU7630
Description  PWM control Step-Down switching regulator IC
Download  9 Pages
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Manufacturer  NJRC [New Japan Radio]
Direct Link  http://www.njr.co.jp/index_e.htm
Logo NJRC - New Japan Radio

NJU7630 Datasheet(HTML) 6 Page - New Japan Radio

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NJU7630
- 6 -
Ver.2005-03-01
■TYPICAL CHARACTERISTICS
100
1000
10
100
Oscillation Frequency vs. Timing Resistance
(V+=3.3V, Ta=25oC)
Timing Resistance R
T
(k
Ω)
660
680
700
720
740
02
4
6
8
10
Operating Voltage V
+ (V)
Oscillation Frequency vs. Operating Voltage
(R
T
=47k
Ω, Ta=25oC)
0
20
40
60
80
100
0
20
406080
100
Dead Time Control Resistance R
DTC
(k
Ω)
Duty Cycle vs. R
DTC
(V+=3.3V, R
T
=47k
Ω, Ta=25oC)
0.996
0.998
1
1.002
1.004
02
468
10
Operating Voltage V
+ (V)
Reference Voltage vs. Operating Voltage
(V+=3.3V, Ta=25
oC)
0
200
400
600
800
1000
1200
1400
024
68
10
Operating Voltage V
+ (V)
Quiescent Current vs. Operating Voltage
(R
T
=47k
Ω, R
L
=Non Load, Ta=25
oC)


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