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參數(shù)資料
| 型號： | CM2730SIT |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 300mA DUAL LOW NOISE CMOS LDO |
| 中文描述： | 300mA的雙低噪聲CMOS低壓 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 267K |
| 代理商： | CM2730SIT |
CM2730
300mA D
UAL
L
OW
N
OISE
CMOS LDO
ELECTRICAL CHARACTERISTICS
T
A
= +25
℃
; unless otherwise noted
2002/09/30
Preliminary
Rev. 0.3
Champion Microelectronic Corporation
Page 4
CM2730
Typ.
Parameter
Test Conditions
Min.
Note 1
-1.5
300
300
27
Max.
7
1.5
35
35
Unit
Input Voltage 1
Output Voltage 1 Accuracy
Output Current 1
Current Limit 1
Short Circuit Current 1
Quiescent Current 1
Ground Pin Current
V
%
mA
mA
mA
μ
A
μ
A
I
o1
= 1mA to 300mA
V
OUT1
> 1.2V
V
OUT1
> 1.2V
V
OUT1
< 0.95V
V
IN1
=5V, No Load
V
IN1
=5V, I
o1
= 1mA to 300mA
I
OUT1
=5mA, V
IN1
=V
OUT1
+1 to V
OUT1
+2,
2.0V<V
OUT1
<=3.0V
I
OUT1
=5mA, V
IN1
=V
OUT1
+1 to V
OUT1
+2, V
OUT1
>3
I
o1
=1mA to 300mA
I
o1
=300mA, V
OUT1
=V
OUT
-2.0%
450
150
30
30
-0.15
0.03
0.15
%
Line Regulation 1
-0.3
Note 1
-1.5
300
300
-0.1
0.06
0.2
300
60
60
50
150
30
25
30
20
450
150
30
0.02
0.3
1
7
1.5
35
0.1
%
%
mV
Load Regulation 1
Dropout Voltage 1
f=1kHz
f=10kHz
f=100kHz
Power Supply Rejection 1
I
O
= 100mA
C
O
=2.2μF ceramic
dB
Over Temperature Shutdown 1
Over Temperature Hysteresis
Output Voltage Temp. Coeff. 1
℃
℃
ppm/
℃
C
o
=2.2μF
C
o
=100μF
Master
LDO1
Output Noise 1
f=10Hz to 100kHz
I
o
= 10mA
μ
Vrms
Input Voltage 2
Output Voltage 2 Accuracy
Output Current 2
Current Limit 2
Short Circuit Current 2
Quiescent Current 2
V
%
mA
mA
mA
μ
A
%
I
o2
= 1mA to 300mA
V
OUT2
> 1.2V
V
OUT2
> 1.2V
V
OUT2
< 0.95V
V
IN2
=5V, No Load
I
OUT2
=5mA, V
IN2
=V
OUT2
+1 to V
OUT2
+2, V
OUT2
<=2.0
I
OUT2
=5mA, V
IN2
=V
OUT2
+1 to V
OUT2
+2,
2V<V
OUT2
<=3V
I
OUT2
=5mA, V
IN2
=V
OUT2
+1 to V
OUT2
+2, V
OUT2
>3
I
o2
=1mA to 300mA
I
o2
=300mA, V
OUT2
=V
OUT2
-2.0%, V
OUT2
>=2.5V
I
o2
=300mA, V
OUT2
=V
OUT2
-2.0%, V
OUT2
<2.5V
-0.15
0.03
0.15
%
Line Regulation 2
-0.3
0.06
0.20
300
800
60
60
50
150
30
25
30
20
2.0
0.3
1
Load Regulation 2
%
mV
mV
Dropout Voltage 2
f=1kHz
f=10kHz
f=100kHz
Power Supply Rejection 2
I
O
= 100mA
C
O
=2.2μF ceramic
dB
Over Temperature Shutdown 2
Over Temperature Hysteresis
Output Voltage Temp. Coeff. 2
℃
℃
ppm/
℃
C
o
=2.2μF
C
o
=100μF
Slave
LDO2
Output Noise 2
f=10Hz to 100kHz
I
o
= 10mA
μ
Vrms
Shutdown Current
V
IN1
>V
IN1(MIN)
, V
IN2
>V
IN2(MIN)
, ENB = V
IN1
μA
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