參數(shù)資料
型號(hào): AOZ1015AI
廠商: ALPHA
英文描述: EZBuck⑩ 1.5A Synchronous Buck Regulator
中文描述: EZBuck⑩1.5A的同步降壓穩(wěn)壓器
文件頁數(shù): 4/15頁
文件大?。?/td> 715K
代理商: AOZ1015AI
AOZ1015
Rev. 1.2 September 2007
www.aosmd.com
Page 4 of 15
Electrical Characteristics
T
A
= 25°C, V
IN
= V
EN
= 12V, V
OUT
= 3.3V unless otherwise specified.
(3
)
Note:
3. Specification in
BOLD
indicate an ambient temperature range of -40°C to +85°C. These specifications are guaranteed by design.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
V
IN
Supply Voltage
4.5
16
V
V
UVLO
Input Under-Voltage Lockout Threshold
V
V
IN
IN
Rising
Falling
4.00
3.70
2
1
V
I
IN
Supply Current (Quiescent)
I
OUT
V
EN
= 0, V
FB
= 1.2V, V
EN
> 1.2V
3
mA
I
OFF
V
FB
Shutdown Supply Current
= 0V
10
μA
Feedback Voltage
0.782
0.8
0.818
V
Load Regulation
0.5
%
Line Regulation
0.5
%
I
FB
Feedback Voltage Input Current
200
nA
ENABLE
V
EN
EN Input Threshold
Off Threshold
On Threshold
2.0
0.6
V
V
HYS
I
EN
EN Input Hysteresis
100
mV
EN Input Current
1
μA
MODULATOR
f
O
Frequency
400
500
600
kHz
D
MAX
D
MIN
Maximum Duty Cycle
100
%
Minimum Duty Cycle
6
%
Error Amplifier Voltage Gain
500
V
/ V
Error Amplifier Transconductance
PROTECTION
200
μA
/
V
I
LIM
V
PR
Current Limit
2
3.6
A
Output Over-Voltage Protection
Threshold
Off threshold
On threshold
920
820
960
860
1000
900
mV
T
J
Over-Temperature Shutdown Limit
150
°C
t
SS
Soft Start Interval
2.2
ms
OUTPUT STAGE
High-Side Switch On-Resistance
V
V
IN
IN
= 12V
= 5V
97
166
130
200
m
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