AOZ1232-01
Symbol
Parameter
Conditions
Min.
Typ.
Max
Units
Soft-Start
ISS
_
SS Source Current
VSS = 0, CSS = 0.001F to 0.1F
7
10
15
A
OUT
Power Good Signal
VPG_LOW PGOOD Low Voltage
PGOOD Leakage Current
IOL = 1mA
0.5
±1
V
A
VPGH
FB rising
FB falling
12
-12
15
-10
18
-8
PGOOD Threshold
VPGL
%
PGOOD Threshold Hysteresis
3
%
TPG_L
PGOOD Fault Delay Time (FB falling)
50
s
Under Voltage and Over Voltage Protection
VPL
TPL
Under Voltage Threshold
FB falling
-30
12
-25
128
15
-20
18
%
s
%
Under Voltage Delay Time
Over Voltage Threshold
VPH
FB rising
TUV_LX
Under Voltage Shutdown Blanking Time
VIN = 12V, VEN = 0V, VCC = 5V
20
mS
Power Stage Output
RDS(ON) High-Side NFET On-Resistance
VIN = 12V, VCC = 5V
VEN = 0V, VLX = 0V
VLX = 12V, VCC = 5V
VEN = 0V
35
12
45
10
15
10
m
A
High-Side NFET Leakage
Low-Side NFET On-Resistance
Low-Side NFET Leakage
RDS(ON)
m
A
Over-current and Thermal Protection
ILIM
Valley Current Limit
6
A
TJ rising
TJ falling
145
100
Thermal Shutdown Threshold
°C
Rev. 1.3 October 2012
www.aosmd.com
Page 6 of 18
AOS [ ALPHA & OMEGA SEMICONDUCTORS ]
