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參數(shù)資料
| 型號： | CM2831UIM25 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 300mA CMOS LDO WITH ENABLE |
| 中文描述： | 300mA的CMOS LDO穩(wěn)壓器具有使能 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 438K |
| 代理商： | CM2831UIM25 |
CM2831
300mA CMOS LDO W
ITH
E
NABLE
ELECTRICAL CHARACTERISTICS
T
A
= +25
℃
; unless otherwise noted
2002/04/12
Rev. 3
Champion Microelectronic Corporation
Page 4
CM2831
Typ.
300
800
450
150
30
30
0.03
0.06
0.2
150
30
25
60
50
40
75
55
30
30
20
30
20
2.0
1.0
V
IN
/2+0.8V
V
IN
/2-0.8V
Parameter
Symbol
Test Conditions
Min.
Note 1
-1.5
300
300
-0.15
-0.3
0
Max.
7
1.5
300
35
50
0.15
0.3
1
3.0
0.1
3.0
V
IN
Unit
Input Voltage
Output Voltage Accuracy
V
IN
V
OUT
V
%
I
O
= 1mA to 300mA
I
O
= 300mA, V
OUT
=V
O(NOM)
-2%, V
OUT
>=2.5V
I
O
= 300mA, V
OUT
=V
O(NOM)
-2%, V
OUT
<2.5V
V
OUT
> 1.2V
V
OUT
> 1.2V
V
OUT
< 0.95V
I
O
= 0mA
I
O
= 1mA to 300mA
I
OUT
=5mA, V
IN
=V
OUT
+1 to
V
OUT
+2
I
O
=1mA to 300mA
Dropout Voltage
V
DROPOUT
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
μ
A
μ
A
%
%
%
℃
℃
V
OUT
<= 3.0V
V
OUT
> 3.0V
Line Regulation
REG
LINE
Load Regulation
Over Temperature Shutdown
Over Temperature Hysteresis
V
OUT
Temperature Coefficient
REG
LOAD
OTS
OTH
TC
ppm/
℃
f=1kHz
f=10kHz
f=100kHz
f=1kHz
f=10kHz
f=100kHz
C
O
=2.2μF
C
O
=100μF
C
O
=2.2μF
C
O
=100μF
Power Supply Rejection
PSRR
I
O
= 100mA
C
O
=2.2μF ceramic
dB
Power Supply Rejection
PSRR
I
O
= 100mA
C
O
=2.2μF ceramic
C
BYP
=0.01μF
f=10Hz to 100kHz
I
O
= 10mA, C
BYP
=0μF
f=10Hz to 100kHz
I
O
= 10mA, C
BYP
=0.01μF
V
IN
=5.0V, V
OUT
=0V, V
EN
< V
EL
V
EN
=V
IN
, V
IN
=2.6V to 7V
V
EN
=V
IN
, V
IN
=2.6V to 7V
V
IN
=2.6V to 7V
V
IN
=2.6V to 7V
dB
Output Voltage Noise
eN
μ
Vrms
Output Voltage Noise
eN
μ
Vrms
Shutdown Supply Current
I
SD
I
EH
I
EL
V
EH
V
EL
μ
A
μ
A
μ
A
V
V
EN Input Bias Current
EN Input Threshold
Note 1.
V
IN(MIN)
= V
OUT
+ V
DROPOUT
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