LTC3630
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Input Voltage
Line Regulation vs Input Voltage
Load Regulation vs Load Current
0.05
0.04
0.03
0.02
0.01
0
95
90
85
80
5.04
5.03
5.02
5.01
FIGURE 13 CIRCUIT
V
= 5V
V
V
= 12V
= 5V
OUT
IN
OUT
I
= 500mA
FIGURE 13 CIRCUIT
LOAD
FIGURE 13 CIRCUIT
75
70
5.00
4.99
–0.01
–0.02
–0.03
–0.04
–0.05
65
60
55
4.98
4.97
4.96
I
I
I
I
= 500mA
= 100mA
= 10mA
= 1mA
LOAD
LOAD
LOAD
LOAD
20
30
50
5
15
35
45
55
65
100
200
LOAD CURRENT (mA)
400
10
60
25
0
500
40
300
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
3630 G08
3630 G07
3630 G09
Feedback Comparator Trip
Voltage vs Temperature
Feedback Comparator Hysteresis
vs Temperature
Peak Current Trip Threshold
vs Temperature and ISET
5.5
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
1400
1200
1000
800
600
400
200
0
0.804
0.802
0.800
0.798
V
IN
= 12V
V
= 12V
V
= 12V
IN
IN
I
OPEN
SET
R
= 100kΩ
ISET
I
= GND
65
SET
0.796
–55
5
35
65
95 125 155
–55 –25
95
155
–55 –25
5
35
65
95 125 155
–25
5
35
125
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
3630 G11
3630 G12
3630 G10
Peak Current Trip Threshold
vs RISET
Peak Current Trip Threshold
vs Input Voltage
Quiescent VIN Supply Current
vs Input Voltage
1400
1400
1200
16
14
12
10
V
= 12V
IN
I
= OPEN
SET
SLEEP
1200
1000
800
600
400
200
1000
800
600
400
200
0
8
6
I
= 100k
= 0V
SET
SHUTDOWN
4
2
0
I
SET
0
40
60
0
10
20
30
50
50
100
R
150
(kΩ)
250
0
200
25
V
35
45
55
5
15
65
INPUT VOLTAGE (V)
VOLTAGE (V)
ISET
IN
3630 G14
3630 G13
3630 G15
3630fb
5
Linear Systems [ Linear Systems ]
