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LTC3631 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC3631
Description  High Effi ciency, High Voltage 100mA Synchronous Step-Down Converter
PDF  22 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3631 Datasheet(HTML) 4 Page - Linear Technology

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LTC3631
4
3631fb
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Load Current,
VOUT = 5V
Efficiency vs Input Voltage
Line Regulation
Load Regulation
Feedback Comparator Trip
Voltage vs Temperature
Feedback Comparator Hysteresis
vs Temperature
Peak Current Trip Threshold
vs Temperature and ISET
Efficiency vs Load Current,
VOUT = 3.3V
Efficiency vs Load Current,
VOUT = 2.5V
LOAD CURRENT (mA)
0.1
80
85
90
95
1
10
100
3631 G01
75
70
65
60
VOUT = 5V
FIGURE 10 CIRCUIT
VIN = 12V
VIN = 36V
VIN = 24V
LOAD CURRENT (mA)
0.1
80
85
90
95
1
10
100
3631 G02
75
70
65
60
VOUT = 3.3V
FIGURE 10 CIRCUIT
VIN = 12V
VIN = 36V
VIN = 24V
LOAD CURRENT (mA)
0.1
70
80
90
1
10
100
3631 G03
60
65
75
85
55
50
VOUT = 2.5V
FIGURE 10 CIRCUIT
VIN = 12V
VIN = 36V
VIN = 24V
INPUT VOLTAGE (V)
10
85
90
95
25
35
3631 G04
80
75
15
20
30
40
45
70
65
VOUT = 5V
FIGURE 10 CIRCUIT
ILOAD = 100mA
ILOAD = 10mA
ILOAD = 1mA
INPUT VOLTAGE (V)
10
5
–0.20
–0.10
0
0.10
0.20
15
20
25
30
3631 G05
35
40
45
ILOAD = 100mA
FIGURE 10 CIRCUIT
LOAD CURRENT (mA)
0
4.96
4.97
4.99
5.00
5.01
60
80
5.05
3631 G06
4.98
20
40
10
70
90
30
50
100
5.02
5.03
5.04
VIN = 10
VOUT = 5V
FIGURE 10 CIRCUIT
TEMPERATURE (°C)
–40
0.798
0.799
0.800
0.801
–10
20
50
80
LTC1144 • TPC06
110
VIN = 10V
TEMPERATURE (°C)
–40
4.4
4.6
4.8
5.0
5.2
5.4
5.6
–10
20
50
80
3631 G08
110
VIN = 10V
TEMPERATURE (°C)
–40
0
50
100
150
–10
20
50
3631 G09
80
200
250
25
75
125
175
225
110
VIN = 10V
ISET = OPEN
ISET = GND
RSET = 500k



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