LTC3631 Linear Technology Corporation, LTC3631 Datasheet - Page 4

• Manufacturer Part Number: LTC3631
• Description: High Voltage 100mA Synchronous Step-Down Converter
• Manufacturer: Linear Technology Corporation

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