aoz1025di Alpha & Omega Semiconductor, aoz1025di Datasheet - Page 4

• Manufacturer Part Number: aoz1025di
• Description: Ezbucktm 8a 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
POWER GOOD
OUTPUT STAGE
LOW SIDE DRIVER
Symbol
Rev. 1.3 September 2009
= 25°C, V
V
V
D
V
D
V
I
V
V
V
I
V
UVLO
OLPG
OFF
I
t
I
MAX
LIM
HYS
f
PGL
FB
MIN
SS
IN
EN
PR
FB
O
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
Output Over-voltage Protection Threshold
Soft Start Interval
PG LOW Voltage
PG Leakage
PG Threshold Voltage
PG Threshold Voltage Hysteresis
PG Delay Time
High-Side Switch On-Resistance
Pull-up Resistance
Pull-up Resistance
= V
EN
= 12V, V
Parameter
OUT
= 1.2V unless otherwise specified
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V
V
I
V
Off Threshold
On Threshold
T
T
Off Threshold
On Threshold
I
V
OUT
OL
IN
IN
EN
J
J
IN
Rising
Falling
= 1mA
Rising
Falling
= 12V
= 0V
= 0, VFB = 1.2V, V
(3
Conditions
)
EN
> 1.2V
0.788
Min.
4.75
350
100
-12
2
3
Typ.
100
500
500
200
150
100
960
860
128
4.1
3.7
1.2
0.8
0.5
0.2
-10
10
43
20
4
3
7
AOZ1025D
Max.
0.812
200
600
0.6
6.5
0.5
16
30
57
-8
3
6
1
Page 4 of 15
Units
µA / V
V / V
kHz
m
mA
mV
mV
µA
nA
ms
µA
°C
µs
%
%
%
%
%
%
Ω
Ω
V
V
V
V
A
V
Ω