參數(shù)資料
型號(hào): AOZ1012DI
廠商: ALPHA
英文描述: EZBuck⑩ 3A Simple Buck Regulator
中文描述: EZBuck⑩3A條簡(jiǎn)單的降壓穩(wěn)壓器
文件頁(yè)數(shù): 3/17頁(yè)
文件大?。?/td> 807K
代理商: AOZ1012DI
^lwNMNOa
April 2006
www.aosmd.com
Page 3 of 17
Electrical Characteristics
T
A
= 25°C, V
IN
= V
EN
= 12V, V
OUT
= 3.3V unless otherwise specified
(4)
.
Parameter
Symbol
Conditions
MIN
TYP
MAX
UNITS
Supply Voltage
Input Under-Voltage Lockout
Threshold
Supply Current (Quiescent)
V
IN
V
UVLO
V
IN
rising
V
IN
falling
I
OUT
= 0, V
FB
= 1.2V,
V
EN
>2V
V
EN
= 0V
Off threshold
On threshold
4.5
16
V
V
V
mA
4.0
3.7
2
3
0.8
0.5
1
I
IN
3
Shutdown Supply Current
Feedback Voltage
Load Regulation
Line Regulation
Feedback Voltage Input Current
EN Input Threshold
I
OFF
V
FB
I
FB
V
EN
20
0.818
200
0.6
μ
A
V
%
%
nA
V
V
mV
0.782
2.0
EN Input Hysteresis
Modulator
Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Error Amplifier Voltage Gain
Error Amplifier Transconductance
Protection
Current Limit
Over-Temperature Shutdown
Limit
Soft Start Interval
Output Stage
High-Side Switch On-Resistance
V
HYS
100
f
O
D
MAX
D
MIN
350
100
500
500
200
600
6
kHz
%
%
V/V
μ
A/V
I
LIM
T
J
rising
T
J
falling
4
5
A
°C
°C
ms
145
100
4
t
SS
V
IN
= 12V
V
IN
= 5V
40
65
50
85
m
m
Notes:
1.
Exceeding the Absolute Maximum ratings may damage the device.
2.
The device is not guaranteed to operate beyond the Maximum Operating ratings.
3.
Devices are inherently ESD sensitive, handling precautions are required. Human body model rating: 1.5K
in series with
100pF.
4.
Specification in BOLD indicate an ambient temperature range of -40°C to +85°C. These specifications are guaranteed
by design.
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