A7630
DC-DC CONVERTER BOOST (STEP-UP)
1.2MHz, 28V STEP-UP LED DRIVER
AiT Semiconductor Inc.
www.ait-ic.com
ELECTRICAL CHARACTERISTICS
TA=25°C, unless otherwise noted
Parameter
Operating Input Voltage
Feedback Voltage
FB input Bias Current
SW Leakage
Symbol
VIN
Conditions
Min.
Typ. Max.
Unit
V
2.5
-
5.5
VFB
237
250
-10
-
263
mV
nA
μA
mA
μA
MHz
%
IFB
-50
-
VSW=20V
-
-
-
-
-
-
-
-
-
-
1
VFB=0.2V, Switch
VEN=0V
0.15
0.1
1.2
90
0.3
Quiescent Current
IQ
1
Oscillator Frequency
Maximum Duty Cycle
EN Threshold
fSW
DMAX
VEN
-
-
1
-
V
OVP Threshold
VOVP
28
-
V
SW On-Resistance
Current Limit
400
1.6
160
650
mΩ
A
ILIMIT
VIN=4V, Duty Cycle = 50%
-
-
Thermal Shutdown
°C
REV1.0
- FEB 2017 RELEASED -
- 4 -
AITSEMI [ AiT Semiconductor ]
