njw4800 New Japan Radio Co.,Ltd, njw4800 Datasheet - Page 5

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

Ver.2010-09-29
Internal Power Supply Circuit
Output Voltage 1
Line Regulation
Load Regulation
REG pin Output Current
Fault Function (FLT pin)
Low Level Output Voltage
OFF Leak Current
ELECTRICAL CHARACTERISTICS (Unless otherwise noted, V
PIN OPERATION TABLE
(*3) If PWM=H continues by t
Tj >150°C
PWM
H
H
H
L
L
L
Tj
–
PARAMETER
INPUT
STBY
H
H
L
L
L
L
I
OUT
INPUT
I
OUT
–
≥ I
OM
HPWM
V
V
V
V
+
+
+
+
≥ V
≥ V
< V
< V
VDD
∆V
SYMBOL
or more and is input, it becomes low-side SW=ON during t
∆V
I
–
–
OLEAKFLT
V
RUVLO
RUVLO
DUVLO
DUVLO
I
V
REG–VDD
OREG
OFF
OFF
FLT
REG1
REG–IO
LFLT
I
V
I
V
Input signal=500kHz
I
V
REG
REG
FLT
+
REG1
FLT
=8 ∼ 30V, I
=500µA
=0mA
=0 ∼ 20mA
OUTPUT
=5.5V
High-side
TEST CONDITION
×0.95,
OFF
OFF
OFF
OFF
OFF
OFF
FLT
SW
ON
ON
REG
=0mA
+
=12V, V
OUTPUT
High-side
Low-side
ON (*3)
OFF
OFF
OFF
OFF
OFF
OFF
OFF
SW
SW
STBY
=0V, C
MIN.
4.75
30
–
–
–
–
Low-side
Mode
OCP
BS
OFF
OFF
OFF
OFF
OFF
TSD
SW
ON
=0.1µF, C
TYP.
0.25
20
5
2
–
–
HPWM
REG
NJW4800
/128.
Stand-by
Stand-by
Normal
Normal
UVLO
UVLO
Mode
=1µF, Ta=25°C)
MAX.
5.25
0.5
20
50
–
1
UNIT
mV
mV
mA
- 5 -
µA
V
V