njw4800 New Japan Radio Co.,Ltd, njw4800 Datasheet - Page 9

• Manufacturer Part Number: njw4800
• Description: 30v/4a Half Bridge Driver
• Manufacturer: New Japan Radio Co.,Ltd

Ver.2010-09-29
CHARACTERISTICS
400
380
360
340
320
300
Under Voltage Lockout Block vs. Temperature
1.8
1.6
1.4
1.2
Continuous Output High Time vs. Temperature
7.2
6.8
6.6
6.4
6.2
5.8
-50 -25
2
1
7
6
-50 -25
-50 -25
C
C
BS
REG
=0.47 µ F
PWM pin Voltage vs. Temperature
=1 µ F
Ambient Temperature Ta (
Ambient Temperature Ta (
Ambient Temperature Ta (
0
(V
0
0
+
=12V, V
25
25
25
(V
V
V
V
V
50
+
IHPWM
DUVLO
ILPWM
RUVLO
=12V)
50
50
PWM
75 100 125 150
75 100 125 150
75 100 125 150
=3V)
o
C)
o
o
C)
C)
1.8
1.6
1.4
1.2
20
15
10
Internal Power Supply Circuit Load Regulation
5.1
4.9
4.8
4.7
5
0
2
1
-50 -25
0
5
0
C
C
BS
REG
C
STBY pin Voltage vs. Temperature
Frequency vs. Operating Voltage
=0.47 µ F
200
REG
=1 µ F
(V
Ambient Temperature Ta (
=1 µ F
20
PWM
Output Current I
Frequency f
(V
0
400
+
=0V to 3V, Ta=25
=12V, Ta=25
25
40
(V
V
V
V
600
+
+
ILSTBY
IHSTBY
=12V)
50
=12V
PWM
60
75 100 125 150
800
o
REG
(kHz)
C)
NJW4800
(mA)
o
V
V
1000 1200
C)
+
+
80
=7.5V
=30V
o
C)
100
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