AOZ1094
value in any given application depends on the user's specific board
design.
Electrical Characteristics
)
TA = 25°C, VIN = VEN = 12V, VOUT = 3.3V unless otherwise specified(3
Symbol
Parameter
Supply Voltage
Conditions
Min.
4.5
Typ. Max. Units
VIN
16
V
V
VUVLO
Input Under-Voltage Lockout Threshold
VIN Rising
IN Falling
4.00
3.70
V
IIN
Supply Current (Quiescent)
Shutdown Supply Current
Feedback Voltage
IOUT = 0, VFB = 1.2V, VEN > 1.2V
VEN = 0V
2
3
3
mA
µA
V
IOFF
VFB
20
0.784
0.8
0.5
1
0.816
Load Regulation
%
Line Regulation
%
IFB
Feedback Voltage Input Current
EN Input Threshold
200
nA
VEN
Off Threshold
On Threshold
0.6
V
2.0
VHYS
EN Input Hysteresis
100
500
mV
MODULATOR
fO
Frequency
400
100
600
6
kHz
%
DMAX
DMIN
Maximum Duty Cycle
Minimum Duty Cycle
%
Error Amplifier Voltage Gain
Error Amplifier Transconductance
500
200
V / V
µA / V
PROTECTION
ILIM
Current Limit
6
8
A
Over-Temperature Shutdown Limit
TJ Rising
TJ Falling
145
100
°C
VPR
tSS
Output Over-voltage Protection Thresh-
old
Off Threshold
On Threshold
960
940
V
Soft Start Interval
3
ms
OUTPUT STAGE
High-Side Switch On-Resistance
VIN = 12V
VIN = 5V
28
48
35
65
mΩ
Note:
3. Specification in BOLD indicate an ambient temperature range of -40°C to +85°C. These specifications are guaranteed by design.
Rev. 1.3 October 2010
www.aosmd.com
Page 4 of 19
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