NJW4800
ꢀELECTRICAL CHARACTERISTICS (Unless otherwise noted, V+=12V, VSTBY=0V, CBS=0.1µF, CREG=1µF, Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
General Characteristics
Quiescent Current 1 (Operating)
IQ1
IQ2
VPWM=0V
–
–
–
1
9
3
2
mA
mA
µA
Quiescent Current 2 (Switching)
Quiescent Current 3 (Standby)
VPWM=0V to 3V, fPWM=1.2MHz
VSTBY=5.5V, VPWM=0V
14
10
IQOFF
Output Block
High-side SW ON Resistance
Low-side SW ON Resistance
Over Current Limit
Output Rise Time
RDSH
RDSL
ILIMIT
tr
IOSOURCE=1A, VBS–OUT=5V
IOSINK=1A
–
–
4
–
–
–
–
–
0.25
0.25
5.5
3
0.45
0.45
7
Ω
Ω
A
High-side and Low-side
V
PWM=0V to 3V
PWM=3V to 0V
PWM=0V to 3V
–
ns
ns
ns
ns
ns
Output Fall Time
tf
V
3
–
Dead Time
Dt
V
20
60
60
–
PWM Rise Delay Time
PWM Fall Delay Time
td_ON
td_OFF
VPWM=0V to 3V
VPWM=3V to 0V
–
–
OUT pin – VDD pin
VPDOV
V+=5.7V, IORH=1A
–
0.85
1.1
V
Potential Difference
GND pin – OUT pin
Potential Difference
Output Pull-down Resistance
VPDGO
RPD
V+=5.7V, IORL=1A
–
50
–
0.85
100
–
1.1
200
1
V
V+ =5.7V, VSTBY=5.5V
V+=30V, VSTBY=5.5V,
VOUT=0V
kΩ
µA
Output Leak Current
(High Side SW OFF)
OUT pin Output Current
(FLT Signal Output )
IOLEAKOUT
IO-FLT
V+=5.7V, VOUT=0V
–
30
60
µA
Input Circuit Block
STBY pin High Voltage
(Standby Mode)
STBY pin Low Voltage
(Operating Mode)
STBY pin Input Current
STBY Pull-down Resistance
VIHSTBY
2.4
0
–
–
5.5
0.8
V
V
VILSTBY
IISTBY
IISTBY
VSTBY=5.5V
–
500
2.2
0
0.01
750
–
1
1000
5.5
0.9
1
µA
kΩ
V
PWM pin High Voltage
PWM pin Low Voltage
PWM pin Input Current
Continuous Output High Time
VIHPWM
VILPWM
IIPWM
–
V
VPWM=5.5V
VPWM=5.5V
–
0.01
300
µA
µs
tHPWM
140
–
Under Voltage Lockout (UVLO) Block
UVLO Release Voltage
VUVLO2
VUVLO1
5.9
5.65
–
6.6
7.3
7.05
–
V
V
V
V+ = L → H
V+ = H → L
UVLO Operation Voltage
6.35
0.25
UVLO Hysteresis Voltage
VUVLO2-VUVLO1
∆VUVLO
Ver.2010-09-29
- 4 -
NJRC [ NEW JAPAN RADIO ]
