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參數資料
| 型號： | AT1380 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關穩壓器 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 332K |
| 代理商： | AT1380 |
AT1380A
Preliminary Product Information
Switching Regulator Controller for LCD Bias
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
(V
CC
=+3.0V, Ta=+25
0
C)
Values
Min. Typ. Max.
--
1.8
Parameter
Symbol
Condition
Unit
Reset voltage for
falling Vcc. OUT
remains off if Vcc is
below this level.
Startup voltage for
rising Vcc.
V
R
1.9
V
VCC Under voltage
Lockout
(U.V.L.O.)
V
TH
--
2.4
2.5
2.6
V
Charging current
Voltage at soft start
completion
Charging current
Threshold voltage
Oscillation frequency
Frequency input
Stability
Frequency variation
with temperature
Input threshold
Voltage
V
T
input stability
V
T
variation with
Temperature
Input bias current
Voltage gain
Frequency bandwidth
Maximum output
voltage range
Output source current
Output sink current
Maximum duty cycle
I
CS
V
ts
V
SCP
=0V
-1.5
0.7
-1.0
0.8
-0.7
0.9
μ
A
V
Soft start
--
I
CPC
V
tPC
f
OSC
f
V
V
SCP
=0V
-1.5
0.7
400
--
-1.0
0.8
500
2
-0.7
0.9
600
10
μ
A
V
kHz
%
Short circuit
detection (S.C.P.)
--
R
T
=3k
Ω
, C
T
=270pF
V
CC
=2.5V to 13.5V
Sawtooth waveform
oscillator (OSC)
f
T
Ta =-30
0
C to 85
0
C
--
5
--
%
V
T
V
FB
= 450mV
480
500
520
mV
V
T
V
V
T
T
V
CC
=2V to 13.5V
Ta = -30
0
C to 85
0
C
--
--
5
1
20
--
mV
%
I
B
A
V
BW
V
OM
V
OM
I
OM
I
OM
T
DUTY
V
IN
= 0V
-1.0
70
--
0.78
--
--
24
75
-0.2
100
6
0.87
0.05
-40
40
--
1.0
145
--
--
0.2
-24
--
85
μ
A
V/V
MHz
V
V
μ
A
μ
A
%
--
A
V
= 0 dB
+
_
--
+
Error amplifier
_
V
FB
= 450mV
Idle period
adjustment section
R
T
=3.3k
Ω
, C
T
=270pF
f
OSC
= 500KHz
R
B
= 390
Ω
, I
O
= -15 mA
R
B
= 750
Ω
, V
CC
= 3.0V
I
O
= -10 mA
R
B
= 390
Ω
, I
O
= -15 mA
R
B
= 750
Ω
, V
CC
= 3.0V
I
O
= -10 mA
R
B
= 390
Ω
, V
O
= 0.9V
R
B
= 390
Ω
, V
O
= 0.3V
--
V
OH1
V
OH2
1.0
0.8
1.2
1.0
--
--
V
V
V
OL1
V
OL2
--
--
0.1
0.1
0.2
0.2
V
V
Output voltage
Output source current
Output sink current
Pull down resistance
I
O
I
O
R
O
+
--
40
20
-40
70
30
-30
--
40
mA
mA
ｋΩ
-
Output section
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