njw4150 New Japan Radio Co.,Ltd, njw4150 Datasheet - Page 5

• Manufacturer Part Number: njw4150
• Description: Internal 34v Mosfet Switching Regulator Ic For Buck Converter
• Manufacturer: New Japan Radio Co.,Ltd

■TYPICAL CHARACTERISTICS
Ver.2011-02-25
1100
1050
1000
950
900
Oscillation Frequency vs. Operating Voltage
8
7
6
5
4
3
2
0
0
Soft Start Time vs. Operating Voltage
Operating Voltage V
10
Operating Voltahe V
10
(V
B
=0.95V, Ta=25
(Ta=25
20
20
o
C)
60
45
30
15
+
o
30
0
+
C)
0.1
30
(V)
(V)
Gain
Voltage Gain, Phase vs. Frequency
(V
+
1
40
=24V, Gain=40dB, Ta=25
40
Error Amplifier Block
Frequency f (kHz)
10
Phase
100
750
700
650
600
550
500
450
4
3
2
1
0
Switching Current Limit vs. Operating Voltage
0
Quiescent Current vs. Operating Voltage
0
1000
(R
L
=No Load, V
o
Operating Voltage V
C)
10
Operating Voltage V
10000
10
180
135
90
45
0
(Ta=25
IN-
20
=0.5V, Ta=25
20
o
C)
NJW4150
+
30
(V)
+
30
(V)
o
C)
40
40
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