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LT3999 Datasheet(PDF) 4 Page - Linear Technology

Part No. LT3999
Description  Low Noise, 1A, 1MHz Push-Pull DC/DC Driver with Duty Cycle Control
Download  16 Pages
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT3999 Datasheet(HTML) 4 Page - Linear Technology

 
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LT3999
4
3999fa
For more information www.linear.com/LT3999
TYPICAL PERFORMANCE CHARACTERISTICS
Switch VCESAT
Switch Leakage Current
Switch Current Limit
UVLO Threshold Voltage
OVLO Threshold Voltage
VIN Shutdown Current
Switching Frequency
VCESAT vs Switch Current
TEMPERATURE (°C)
–50
1.5
2.0
2.5
25
75
150
3999 G01
1.0
0.5
0
–25
0
50
100 125
TEMPERAURE (°C)
–50
300
350
150
3999 G02
250
200
0
50
100
–25
25
75
125
400
275
325
225
375
SWITCH CURRENT (mA)
0
200
250
300
900
800
3999 G03
150
100
0
200
400
600
100
1000
300
500
700
50
400
350
TEMPERATURE (°C)
–50
400
500
600
25
75
150
3999 G04
300
200
100
–25
0
50
100 125
SWITCH CURRENT = 1A
TEMPERATURE (°C)
–50
0
0.5
1.0
1.5
2.0
0
50
100
150
3999 G05
2.5
3.0
–25
25
75
125
TEMPERATURE (°C)
–50
0
200
600
800
1000
2000
1400
0
50
75
3999 G06
400
1600
1800
1200
–25
25
100 125 150
RILIM/SS = OPEN
RILIM/SS = 80.6k
RILIM/SS = 43.2k
TEMPERATURE (°C)
–50
0.90
0.95
1.05
1.10
1.15
1.40
1.25
0
50
75
3999 G07
1.00
1.30
1.35
1.20
–25
25
100 125 150
UVLO RISING
UVLO FALLING
TEMPERATURE (°C)
–50
0.90
0.95
1.05
1.10
1.15
1.40
1.25
0
50
75
3999 G08
1.00
1.30
1.35
1.20
–25
25
100 125 150
OVLO RISING
OVLO FALLING


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