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參數(shù)資料
| 型號： | CM2843 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 300MA CMOS LDO WITH EN PG |
| 中文描述： | 300mA的CMOS低壓符合EN頁碼 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 227K |
| 代理商： | CM2843 |
CM2843
300mA CMOS LDO W
ITH
EN & PG
ELECTRICAL CHARACTERISTICS
T
A
= +25
℃
; unless otherwise noted
2004/06/01
Rev. 1.3
Champion Microelectronic Corporation
Page 4
CM2843
Typ.
Parameter
Symbol
Test Conditions
Min.
Note 1
-2.5
300
300
-0.1
Max.
7
2.5
1300
800
300
300
35
35
0.1
0.15
0.3
1
Unit
Input Voltage
Output Voltage Accuracy
V
IN
V
OUT
V
%
I
O
= 1mA
1.2V< V
O(NOM)
<=2.0V
2.0V< V
O(NOM)
<=2.5V
2.5V< V
O(NOM)
V
OUT
> 1.2V
V
OUT
> 1.2V
V
OUT
< 0.8V
I
O
= 0mA
I
O
= 1mA to 300mA
Dropout Voltage
V
DROPOUT
I
O
= 300mA,
V
OUT
=V
O(NOM)
-2%,
mV
Output Current
Current Limit
Short Circuit Current
Quiescent Current
Ground Pin Current
I
O
I
LIM
I
SC
I
Q
I
GND
mA
mA
mA
450
150
30
30
0.02
0.03
0.06
0.2
150
30
25
60
50
40
A
A
V
OUT
< 2.0V
2.0V<V
OUT
< 3.0V -.015
3.0V<V
OUT
%
%
%
%
Line Regulation
REG
LINE
I
OUT
=1mA, V
IN
=V
OUT
+1 to
V
OUT
+2
-0.3
Load Regulation
Over Temperature Shutdown
Over Temperature Hysteresis
V
OUT
Temperature Coefficient
REG
LOAD
OTS
OTH
TC
I
O
=1mA to 300mA
ppm/
f=1kHz
f=10kHz
f=100kHz
Power Supply Rejection
PSRR
I
O
= 100mA
C
O
=2.2μF ceramic
dB
Output Voltage Noise
eN
f=10Hz to 100kHz
I
O
= 10mA
V
EN
=V
IN
, V
IN
=2.7V to 7V
V
EN
=0V, V
IN
=2.7V to 7V
V
IN
=2.7V to 7V
V
IN
=2.7V to 7V
V
IN
=5.0V, V
OUT
=0V, V
EN
< V
EL
I
O
=150mA
2.5V<=V
OUT
<= 5.0V
1.2V<=V
OUT
<= 2.5V
V
PG
= 7V
V
OUT
in regulation
I
SINK
= 2mA
C
O
=2.2μF
30
Vrms
I
EH
I
EL
V
EH
V
EL
I
SD
V
O, SD
0.1
3.0
V
IN
3.0
0.1
85
85
1
7
0.1
5
A
A
EN Input Bias Current
1.0
V
IN
/2+0.8V
V
IN
/2-0.8V
2.0
V
V
EN Input Threshold
0
0
1
Shutdown Supply Current
Shutdown Output Voltage
A
V
Output Under Voltage
V
UV
%V
O(NOM)
PG Leakage Current
PG Voltage Rating
PG Voltage Low
Delay Time to PG
Note 1.
V
IN(MIN)
= V
OUT
+ V
DROPOUT
I
LC
V
PG
V
OL
t
DELAY
A
V
V
ms
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