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LT3782AIUFD Datasheet(PDF) 5 Page - Linear Technology

Part # LT3782AIUFD
Description  2-Phase Step-Up DC/DC Controller
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3782AIUFD Datasheet(HTML) 5 Page - Linear Technology

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LT3782A
5
3782af
JUNCTION TEMPERATURE (°C)
0
2.446
2.444
2.442
2.440
2.438
2.436
2.434
50
100
125
75
3782A G05
25
150
RFREQ (kΩ)
0
600
500
400
300
200
100
160
3782A G04
40
20
60
100
140
80
120
200
180
TIME (s)
0
14
10
6
2
12
8
4
0
–2
800
600
400
200
700
500
300
100
0
750μ
3782A G06
250μ
500μ
1m
VGBIAS
IGBIAS
VDELAY (V)
0
1000
900
800
600
700
500
400
300
200
100
0
2.0
3782A G07
0.5
1.0
1.5
2.5
SWITCHING FREQUENCY (kHz)
100
105
100
95
90
85
80
500
3782A G08
200
300
400
600
VDCL (V)
0
2.4
3782A G09
0.6
1.2
1.8
2.1
0.3
0.9
1.5
120
110
100
90
80
70
60
50
40
Switching Frequency vs RFREQ
Reference Voltage
vs Temperature
VGBIAS vs IGBIAS at Start-Up
(Charging 2μF)
SGATE (Low) to BGATE (High)
Delay vs VDELAY (RSET = 80k)
Switching Frequency
vs Duty Cycle
Maximum Duty Cycle Limit
vs VDCL (RSET = 80k)
TA = 25°C, unless otherwise noted.
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (°C)
–45
3782A G10
5
55
105
130
–20
30
80
70
67
64
61
58
55
Current Limit Threshold
vs Temperature



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