njw4150 New Japan Radio Co.,Ltd, njw4150 Datasheet - Page 6

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

NJW4150
■TYPICAL CHARACTERISTICS
- 6 -
1100
1050
1000
2.5
1.5
0.5
950
900
8
7
6
5
4
3
2
-50 -25
3
2
1
0
-50 -25
-50 -25
Output ON Resistance vs. Temperature
Oscillator Frequency vs. Temperature
Soft Start Time vs. Temperature
Ambient Temperature Ta (
Ambient Temperature Ta (
Ambient Temperature Ta (
0
(V
0
0
+
=24V, V
25
(I
25
25
SW
V
(V
+
=300mA)
=6V
50
+
50
=24V)
50
B
V
=0.95V)
+
75 100 125 150
=24V,34V
75 100 125 150
75 100 125 150
o
C)
o
o
C)
C)
1.005
0.995
1.01
0.99
0.08
0.06
0.04
0.02
0.1
750
700
650
600
550
500
450
1
0
-50
-50 -25
-50 -25
Switching Current Limit vs. Temperature
Reference Voltage vs. Temperature
SW Leak Current vs. Temperature
-25
(V
Ambient Temperature Ta (
Ambient Temperature Ta (
+
Ambient Temperature Ta (
=42V, V
0
0
0
25
25
(V
25
ON/OFF
(V
+
=24V)
+
50
=24V)
50
50
=0V, V
75 100 125 150
75 100 125 150
75
SW
=0V)
100 125
o
o
C)
o
C)
Ver.2011-02-25
C)