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LT3012B Datasheet(PDF) 5 Page - Linear Technology

Part # LT3012B
Description  250mA, 4V to 80V Low Dropout Micropower Linear Regulator
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3012B Datasheet(HTML) 5 Page - Linear Technology

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5
LT3012B
3012bf
TEMPERATURE (
°C)
–50
45
25
3012B G13
25
20
–25
0
50
5
10
15
0
50
40
35
30
75
100
125
INPUT VOLTAGE (V)
0
600
800
1000
3012B G14
400
200
500
700
900
300
100
0
20
10
40
30
60
70
50
80
TJ = 25°C
TJ = 125°C
VOUT = 0V
TEMPERATURE (
°C)
–50
0
0
50
75
3012B G15
–25
25
100
125
VIN = 7V
VOUT = 0V
600
400
200
500
700
300
100
OUTPUT VOLTAGE (V)
0
120
160
200
8
3012B G16
80
40
100
140
180
60
20
0
2
1
4
3
67
9
5
10
TJ = 25°C
VIN = 0V
VOUT = VADJ
CURRENT FLOWS
INTO OUTPUT PIN
ADJ
PIN CLAMP
(SEE APPLICATIONS
INFORMATION)
TEMPERATURE (
°C)
–50
25
3012B G17
20
10
–25
0
50
5
0
35
30
25
15
75
100
125
VIN = 0V
VOUT = VADJ = 1.24V
TEMPERATURE (
°C)
–50
60
68
92
80
84
88
0
50
75
3012B G18
64
76
72
–25
25
100
125
VIN = 4.5V + 0.5VP-P RIPPLE AT f = 120Hz
IL = 250mA
VOUT = 1.24V
TYPICAL PERFOR A CE CHARACTERISTICS
ADJ Pin Bias Current
Current Limit
Reverse Output Current
Current Limit
Input Ripple Rejection
Reverse Output Current
TEMPERATURE (
°C)
–50
3.5
25
3012B G20
2.0
1.0
–25
0
50
0.5
0
4.0
3.0
2.5
1.5
75
100
125
ILOAD = 250mA
FREQUENCY (Hz)
10
40
50
60
70
80
100
1k
10k
100k
1M
3012B G19
30
20
10
0
90
100
VIN = 4.5V + 50mVRMS RIPPLE
ILOAD = 250mA
COUT = 10µF
COUT = 3.3µF
Minimum Input Voltage
Input Ripple Rejection



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