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