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參數資料
| 型號： | AT1392 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 1-Channel Synchronous Buck PWM Controller |
| 中文描述： | 1通道同步降壓PWM控制器 |
| 文件頁數： | 4/8頁 |
| 文件大小： | 254K |
| 代理商： | AT1392 |
AT1392
Preliminary Product Information
1- Channel Synchronous Buck PWM Controller
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 WWW:
http://www.aimtron.com.tw
Fax: 886-3-563-0879 Email:
service@aimtron.com.tw
4
Electrical Characteristics
(VCC = 5V,Ta =+25
℃
, unless otherwise noted. )
Values
Parameter
Symbol
Condition
Min. Typ. Max.
Unit
Input Supply Range
V
CC
2.5
--
6.0
V
Quiescent Current
I
CC
Duty=50%,
fOSC=600KHz
PDRV/NDRV No Load
CTL=0V
1.0
1.5
mA
Current in standby mode
I
ST
10
μ
A
Reference Voltage
V
REF
Ta =-20
℃
to +85
℃
1.20
1.22
1.24
V
Reference Voltage
line-regulation
V
REF-Line
VCC=2.5V to 6.0V
1
5
mV
Entire device
Rference Variation
with Temperature
Input Offset Voltage
Source Current
Sink Current
Source current Variation
with temperature
Sink current Variation
with temperature
Unity Gain Bandwidth
Common Mode Input
Voltage Range
DC Open Loop Gain
Frequency
Ta =-20
℃
to +85
℃
0.5
1.5
%
V
IO
I
OH
I
OL
10
-2.0
80
mV
mA
μ
A
V
COMP
= V
REF
–0.5V
V
COMP
= 0.5V
Ta =-20
℃
to +85
℃
-1.0
160
-1.5
120
20
%
Ta =-20
℃
to +85
℃
20
%
f
T
10.0
MHz
V
COM
0.2
1.5
V
Error amplifier
A
V
fosc
110
600
1.0
dB
KHz
500
700
High Level Voltage
V
Low Level Voltage
Variation with Power
Supply
Variation with
temperature
Charge Current of
SS
Invalid threshold
voltage of SS
0.5
V
Vcc=2.5V to 6V
2
%
Sawtooth wave
oscillator (OSC)
Ta =-20
℃
to +85
℃
7
%
I
CSS
-1.0
μ
A
Soft-Start
1.0
V
Output source current
I
source
Duty
≥
95% OUT=0V
-
-130
-80
mA
Output sink current
I
sink
Duty
≤
5% OUT=5V
65
100
mA
R
OH
OUT=-15mA
18
30
Output Block
Output ON resistor
R
OL
OUT=15mA
16
25
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