aoz1024d Alpha & Omega Semiconductor, aoz1024d Datasheet - Page 4

• Manufacturer Part Number: aoz1024d
• Description: 4a Synchronous Buck Regulator
• Manufacturer: Alpha & Omega Semiconductor

Electrical Characteristics
T
Note:
3. Specification in BOLD indicate an ambient temperature range of -40°C to +85°C. These specifications are guaranteed by design.
A
MODULATOR
PROTECTION
OUTPUT STAGE
Symbol
Rev. 1.1 November 2007
= 25°C, V
V
D
V
D
I
V
V
I
V
UVLO
OFF
I
t
I
MAX
LIM
HYS
f
FB
MIN
SS
IN
EN
FB
O
IN
IN
= V
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
High-Side Switch On-Resistance
Low-Side Switch On-Resistance
EN
= 12V, V
Parameter
OUT
= 3.3V unless otherwise specified
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V
V
I
V
Off Threshold
On Threshold
T
T
V
V
V
V
OUT
J
J
IN
IN
EN
IN
IN
IN
IN
Rising
Falling
Rising
Falling
= 12V
= 5V
= 12V
= 5V
= 0V
= 0, VFB = 1.2V, V
(3
)
Conditions
EN
> 1.2V
0.788
Min.
350
100
4.5
5.0
2
3
Typ.
100
500
500
200
150
100
166
4.1
3.7
1.6
0.8
0.5
97
18
30
3
1
5
AOZ1024D
Max.
0.812
200
600
130
200
2.5
0.6
6.0
16
20
23
36
7
6
Page 4 of 16
Units
µA / V
V / V
kHz
m
m
mA
uA
mV
ms
nA
°C
%
%
%
%
V
V
V
V
A