aoz1022di-01 Alpha & Omega Semiconductor, aoz1022di-01 Datasheet - Page 4

• Manufacturer Part Number: aoz1022di-01
• Description: Ezbucktm 3a Synchronous 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
POWER GOOD
PWM OUTPUT STAGE
A
Symbol
Rev.3.0 November 2011
= 25°C, V
V
V
D
V
G
D
V
I
V
G
V
I
V
UVLO
OLPG
t
OFF
I
t
I
MAX
LIM
HYS
f
PGL
PG
FB
MIN
VEA
SS
IN
EN
FB
O
EA
IN
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
Over-Temperature Shutdown Limit
Soft Start Interval
PGOOD LOW Voltage
PGOOD Leakage
PGOOD Threshold Voltage
PGOOD Threshold Voltage Hysteresis
PGOOD Delay Time
High-Side Switch On-Resistance
Low-Side Switch On-Resistance
= V
EN
= 12V, V
Parameter
OUT
= 3.3V unless otherwise specified.
www.aosmd.com
I
T
T
V
V
V
V
Off Threshold
On Threshold
T
I
V
V
V
OUT
OL
A
J
J
IN
IN
EN
IN
IN
IN
IN
Rising
Falling
= 25°C
= 1mA
Rising
Falling
= 12V
= 5V
= 12V
= 5V
= 0V
= 0, V
(3)
Conditions
FB
= 1.2V, V
EN
> 1.2V
0.788
Min.
350
100
4.5
4.0
87
2
3
Typ.
100
500
500
140
150
100
128
166
4.1
3.7
1.6
0.8
0.5
90
97
18
30
3
1
5
3
AOZ1022DI-01
Max.
0.812
200
600
130
200
2.5
0.6
5.0
0.5
16
20
92
23
36
6
7
1
Page 4 of 15
Units
µA / V
%V
V / V
kHz
m
m
mA
mV
µA
nA
ms
µA
°C
µs
%
%
%
%
%
V
V
V
V
A
V
Ω
Ω
O