ADT7350
Electrical Characteristics (Ta=25℃, VIN=12V, unless otherwise noted)
Parameters
Supply current (shutdown)
Supply current (quiescent)
Condition
VEN = 0V
Min.
Typ.
0.2
-
Max.
Unit
㎂
㎃
V
Note
-
-
VEN = 2V, VFB = 1V
-
1
Feedback voltage (VFB
)
4.5V ≤ VIN ≤ 24V
0.79
0.81
0.1
0.4
-
0.83
Feedback current (IFB
)
VFB = 0.81V
-
-
-
㎂
Ω
Switch On Resistance (RDS.ON), (Note5)
Switch Leakage
-
-
VEN = 0V , VSW = 0V
-
30
-
㎂
A
Current Limit (Note5)
-
-
1.2
-
1.8
1.4
460
85
4
Oscillator frequency (FSW
Fold-back frequency
)
VFB = 0.81V
1.7
-
㎒
㎑
%
VFB = 0V
Maximum Duty cycle
UVLO rising threshold
VFB = 0.81V
-
-
-
3.8
-
4.2
-
V
UVLO threshold hysteresis
EN input low voltage
-
250
-
㎷
V
-
-
0.4
-
EN input high voltage
-
1.2
-
-
V
VEN = 2V
VEN = 0V
-
5
-
㎂
㎂
℃
EN input current
-
0.1
140
-
Thermal shutdown (Note5)
-
-
Note5. guaranteed by design.
* This specifications are subject to be changed without notice
http://www.ad-tech.co.kr
Sep. 9. 2010 / Rev. 0.0
4/9
ADTECH [ ADTECH ]
