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參數(shù)資料
| 型號(hào)： | CM2855IM26 |
| 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 EN & PG |
| 中文描述： | 300mA的CMOS低壓符合EN |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 273K |
| 代理商： | CM2855IM26 |
CM2855
300mA CMOS LDO W
ITH
EN & PG
ELECTRICAL CHARACTERISTICS
T
A
= +25
℃
; V
IN
=
V
IN(MIN)
unless otherwise noted
2004/6/01
Rev. 1.2
Champion Microelectronic Corporation
Page 4
CM2855
Typ.
Parameter
Symbol
Test Conditions
Min.
Note 2
-2.5
300
1.168
-0.1
Max.
7
2.5
1300
800
300
35
35
1.184
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
(Note 3)
I
O
= 0mA
I
O
= 1mA to 300mA
V
O
= V
BG
, load = 10mA
Dropout Voltage
V
DROPOUT
I
O
= 300mA,
V
OUT
=V
O(NOM)
-2.5%,
mV
Output Current
Current Limit
Short Circuit Current
Quiescent Current
Ground Pin Current
Bandgap Reference
I
O
I
LIM
I
SC
I
Q
I
GND
V
BG
mA
mA
mA
800
150
30
30
1.176
0.02
0.03
0.06
0.2
150
30
25
60
50
40
A
A
V
%
%
%
%
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
=300mA
V
PG
= 7V
V
OUT
in regulation
% of V
O
(PG ON)
% of V
O
(PG OFF)
I
SINK
= 2mA
V
IN
= 5V
V
IN
= 3V
C
O
=2.2μF
30
Vrms
I
EH
I
EL
V
EH
V
EL
I
SD
V
O, SD
I
LC
V
PG
V
OL
0.1
3.0
V
IN
0.1
1
7
96.5
0.1
A
A
EN Input Bias Current
1.0
V
IN
/2+0.8V
V
IN
/2-0.8V
2.0
7.8
3.8
V
V
EN Input Threshold
0
0
Shutdown Supply Current
Shutdown Output Voltage
PG Leakage Current
PG Voltage Rating
PG Low Threshold
PG High Threshold
PG Voltage Low
A
V
A
V
%
%
V
ms
ms
89.5
Delay Time to PG
(Note 3)
t
DELAY
Note 2.
V
= V
+ V
Note 3.
Guaranteed by Design, not 100% test. VIN start time needs to be less than 2ms.
Note 4.
Short Circuit Current and Current limit value will increase as input voltage is larger than V
IN(MIN)
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