aoz1092d Alpha & Omega Semiconductor, aoz1092d Datasheet - Page 4

• Manufacturer Part Number: aoz1092d
• Description: Ezbucktm 3a Simple Buck Regulator
• Manufacturer: Alpha & Omega Semiconductor

Electrical Characteristics
T
Note:
3. Specifications in BOLD indicate an ambient temperature range of -40°C to +85°C. These specifications are guaranteed by design.
ENABLE
MODULATOR
PROTECTION
OUTPUT STAGE
A
Symbol
Rev. 1.3 February 2009
= 25°C, V
V
D
V
G
D
I
V
G
V
V
I
V
UVLO
OFF
I
t
I
MAX
LIM
T
HYS
f
FB
MIN
VEA
SS
IN
EN
PR
FB
O
EA
IN
J
IN
Supply Voltage
Input Under-Voltage Lockout Threshold
Supply Current (Quiescent)
Shutdown Supply Current
Feedback Voltage
Load Regulation
Line Regulation
Feedback Voltage Input Current
EN Input Threshold
EN Input Hysteresis
Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Error Amplifier Voltage Gain
Error Amplifier Transconductance
Current Limit
Output Over-Voltage Protection Threshold
Over-Temperature Shutdown Limit
Soft Start Interval
High-Side Switch On-Resistance
= V
EN
= 12V, V
Parameter
OUT
= 3.3V unless otherwise specified.
www.aosmd.com
I
Off Threshold
V
V
V
V
Off Threshold
On Threshold
On Threshold
V
OUT
IN
IN
EN
IN
IN
Rising
Falling
= 12V
= 5V
= 0V
= 0, V
(3)
Conditions
FB
= 1.2V, V
EN
> 1.2V
0.782
Min.
400
100
4.5
2.0
4
Typ.
4.00
3.70
100
500
500
200
960
840
150
0.8
0.5
0.5
2.2
40
65
2
1
AOZ1092D
Max.
0.818
200
600
0.6
16
10
50
85
3
6
5
Page 4 of 16
Units
µA / V
V / V
kHz
m
mA
mV
mV
µA
nA
ms
°C
%
%
%
%
V
V
V
V
A
Ω