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A7330 Datasheet(HTML) 4 Page - AIT Components Ltd.

Part No. A7330
Description  DC-DC CONVERTER BUCK SENSORLESS CC/CV
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Maker  AITCOMPONENTS [AIT Components Ltd.]
Homepage  http://aitcomponents.com
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A7330 Datasheet(HTML) 4 Page - AIT Components Ltd.

 
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AiT Semiconductor Inc.
www.ait-ic.com
A7330
DC-DC CONVERTER BUCK (STEP-DOWN)
SENSORLESS CC/CV
REV1.0
- JAN 2016 RELEASED -
- 4 -
ELECTRICAL CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
Unit
Input Voltage
10
30
V
Input Voltage Surge
32
V
VIN UVLO Turn-On Voltage
Input Voltage Rising
9.0
9.3
9.7
V
VIN UVLO Hysteresis
Input Voltage Falling
1.1
V
Standby Supply Current
VFB=1V
0.88
1.4
mA
Feedback Voltage
785
800
815
mV
Internal Soft-Start Time
500
μs
Error Amplifier Transconductance
VFB=VCOMP=0.8V
ΔICOMP=±10μA
650
μA/V
Error Amplifier DC Gain
4000
V/V
Switching Frequency
VFB=0.8V
125
kHz
Foldback Switching Frequency
VFB=0V
18
kHz
Maximum Duty Cycle
85
%
Minimum On-Time
300
ns
COMP to Current Limit
Transconductance
VCOMP=1.7V
3.47
A/V
Secondary Cycle-by-Cycle Current
Limit
6.4
A
Slope Compensation
Duty=DMAX
3
A
ISET Voltage
1
V
ISET to IOUT DC Room Temp Current
Gain
IOUT/ISET
,RISET=25kΩ
100000
A/A
CC Controller DC Accuracy
RISET
=24.9kΩ, VOUT=4.0V
3600
mA
OVP Pin Lock Voltage
OVP Pin Voltage Rising
0.833
V
OVP Pin Unlock Voltage
OVP Pin Voltage Falling
0.764
V
High-Side Switch ON-Resistance
Not Include Bonding Wire
45
Thermal Shutdown Temperature
Temperature Rising
151
Thermal Shutdown Temperature
Hysteresis
Temperature Falling
22


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