參數(shù)資料
型號: LP2954IMX
英文描述: Fixed & Adjustable Voltage Regulator
中文描述: 固定
文件頁數(shù): 5/21頁
文件大小: 640K
代理商: LP2954IMX
Electrical Characteristics
(Note 2) (Continued)
Parameter
Conditions
(Note 2)
LP2951
LP2950AC-XX
LP2951AC-XX
Tested
Limit
(Note 3)
LP2950C-XX
LP2951C-XX
Tested
Limit
(Note 3)
Units
Tested
Limit
(Notes 3, 16)
Design
Limit
(Note 4)
Design
Limit
(Note 4)
Typ
Typ
Typ
ALL VOLTAGE OPTIONS
Dropout Voltage
(Note 5)
I
L
= 100 μA
80
150
450
600
120
140
12
14
170
200
200
220
0.2
80
80
mV max
mV max
mV max
mV max
μA max
μA max
mA max
mA max
μA max
μA max
mA max
mA max
%/W max
μV rms
μV rms
50
50
150
50
150
I
L
= 100 mA
450
450
380
75
380
75
600
380
75
600
Ground
Current
I
L
= 100 μA
120
120
140
140
I
L
= 100 mA
8
8
12
8
12
14
14
Dropout
Ground Current
Current Limit
V
in
= (V
O
NOM 0.5)V
I
L
= 100 μA
V
out
= 0
110
110
170
110
170
200
200
160
160
200
160
200
220
220
Thermal Regulation
Output Noise,
10 Hz to 100 kHz
(Note 13)
C
L
= 1 μF (5V Only)
C
L
= 200 μF
C
L
= 3.3 μF
(Bypass = 0.01 μF
Pins 7 to 1 (LP2951))
0.05
430
160
0.05
430
160
0.2
0.05
430
160
0.2
100
100
100
μV rms
8-PIN VERSIONS ONLY
Reference
Voltage
LP2951
LP2951AC-XX
1.25
LP2951C-XX
1.26
1.235
1.25
1.26
1.22
1.2
1.27
1.19
40
60
1.235
1.235
V max
V max
V min
V min
V max
V min
nA max
nA max
ppm/C
1.26
1.27
1.22
1.21
1.2
1.27
1.19
1.2
1.285
1.185
Reference
Voltage
Feedback Pin
Bias Current
Reference Voltage
Temperature Coefficient
Feedback Pin Bias
Current Temperature
Coefficient
Error Comparator
Output Leakage
Current
Output Low
Voltage
Upper Threshold
Voltage
Lower Threshold
Voltage
Hysteresis
Shutdown Input
Input
Logic
Voltage
(Note 7)
20
20
40
20
40
60
60
(Note 12)
20
20
50
0.1
0.1
0.1
nA/C
V
OH
= 30V
0.01
1
2
0.01
1
0.01
1
μA max
μA max
mV max
mV max
mV min
mV min
mV max
mV max
mV
2
2
V
in
= (V
O
NOM 0.5)V
I
OL
= 400 μA
(Note 6)
150
250
400
40
25
95
140
150
250
150
250
400
400
60
60
40
60
40
25
25
(Note 6)
75
75
95
75
95
140
140
(Note 6)
15
15
15
1.3
1.3
1.3
V
Low (Regulator ON)
High (Regulator OFF)
0.6
2.0
0.7
2.0
0.7
2.0
V max
V min
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