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LT1976 Datasheet(PDF) 4 Page - Linear Technology

Part # LT1976
Description  High Voltage 1.5A, 200kHz Step-Down Switching Regulator with 100mA Quiescent Current
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1976 Datasheet(HTML) 4 Page - Linear Technology

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LT1976
4
1976f
TYPICAL PERFOR A CE CHARACTERISTICS
FB Voltage
Oscillator Frequency
SHDN Threshold
SHDN Pin Current
Shutdown Supply Current
Sleep Mode Supply Current
Bias Sleep Current
1.20
1.21
1.23
1.24
1.25
1.30
1.27
1.22
1.28
1.29
1.26
TEMPERATURE (
°C)
–50
0
50
75
1976 G01
–25
25
100
125
TEMPERATURE (
°C)
–50
150
160
180
190
200
250
220
0
50
75
1976 G02
170
230
240
210
–25
25
100
125
1.35
1976 G03
1.20
1.10
1.05
1.00
1.40
1.30
1.25
0.15
TEMPERATURE (
°C)
–50
0
50
75
–25
25
100
125
SHDN VOLTAGE (V)
0
0
1.5
2.5
3.5
10
20
30
40
1976 G04
50
4.5
5.5
1.0
2.0
3.0
4.0
5.0
60
TJ = 25°C
1976 G05
20
10
5
0
25
15
TEMPERATURE (
°C)
–50
0
50
75
–25
25
100
125
VIN = 60V
VIN = 42V
VIN = 12V
1976 G06
160
80
40
0
200
120
140
60
20
180
100
VBIAS = 0V
VBIAS = 5V
TEMPERATURE (
°C)
–50
0
50
75
–25
25
100
125
1976 G07
160
80
40
0
200
120
140
60
20
180
100
TEMPERATURE (
°C)
–50
0
50
75
–25
25
100
125
PGFB Threshold
1976 G08
1.16
1.08
1.04
1.00
1.20
1.12
1.14
1.06
1.02
1.18
1.10
TEMPERATURE (
°C)
–50
0
50
75
–25
25
100
125
PG Sink Current
1976 G08
200
100
50
0
250
150
TEMPERATURE (
°C)
–50
0
50
75
–25
25
100
125



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