aoz1050pi Alpha & Omega Semiconductor, aoz1050pi Datasheet - Page 4

• Manufacturer Part Number: aoz1050pi
• Description: Ezbucktm 2 A 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. 1.0 June 2011
= 25 °C, V
V
D
V
T
I
V
V
I
V
UVLO
OFF
I
I
MAX
LIM
HYS
f
MIN
FB
IN
EN
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
EN Leakage Current
SS Time
Frequency
Maximum Duty Cycle
Controllable Minimum On Time
Current Sense Transconductance
Error Amplifier Transconductance
Current Limit
Over-Temperature Shutdown Limit
High-Side Switch On-Resistance
Low-Side Switch On-Resistance
= V
EN
= 12 V, V
Parameter
OUT
= 3.3 V unless otherwise specified
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V
V
I
V
T
Off Threshold
On Threshold
C
T
T
V
V
V
V
OUT
A
J
J
IN
IN
EN
IN
IN
IN
IN
SS
Rising
Falling
= 25 °C
Rising
Falling
= 12 V
= 5 V
= 12 V
= 5 V
= 0 V
= 16 nF
= 0, VFB = 1.2 V, V
Conditions
(3
)
EN
> 1.2 V
0.788
Min.
400
4.5
2.5
85
2
Typ.
100
500
200
150
100
120
4.1
3.7
1.6
0.8
0.5
3.5
80
50
60
1
1
7
2
AOZ1050PI
Max.
0.812
200
600
150
2.5
0.6
18
10
1
Page 4 of 14
Units
µA / V
A / V
kHz
m
m
mV
mA
µA
nA
µA
°C
ns
%
%
%
V
V
V
V
A
ms
Ω
Ω