AiT Semiconductor Inc.
A7332
DC-DC CONVERTER BUCK (STEP-DOWN)
30V, 3A, 500kHz, SYNCHRONOUS
www.ait-ic.com
ELECTRICAL CHARACTERISTICS
VIN=12V, TA=25℃, unless otherwise stated
Parameter
Conditions
Min
Typ
-
Max
Unit
V
Input Voltage Range
UVLO Threshold
UVLO Hypothesis
3.7
28
-
3.6
130
0.3
3
-
V
-
-
mV
mA
μA
V
Supply Current in Operation
Supply Current in Shutdown
Regulated Feedback Voltage
High-side Switch On Resistance
Low-side Switch On Resistance
High-side Switch Leakage Current
Upper Switch Current Limit
Oscillation Frequency
VEN = 5V, VFB = 1.1V
VEN = 0V or VEN = GND
4.2V≤VIN ≤30V
-
-
-
-
0.784
0.8
120
60
0.1
5.5
500
90
100
-
0.816
VBST-SW = 5V
-
-
mΩ
mΩ
μA
A
VIN = 5V
-
-
1
-
VEN = 0V, VSW = 0V
Minimum Duty Cycle
-
-
-
-
kHz
%
Maximum Duty Cycle
VFB = 0.7V
-
-
-
Minimum On Time
-
ns
V
EN Input Voltage ꢀHꢁ
1.5
-
-
EN Input Voltage ꢀLꢁ
-
0.6
-
V
Thermal Shutdown
-
160
°C
REV1.0
- DEC 2018 RELEASED -
- 4 -
AITSEMI [ AiT Semiconductor ]
