Datasheet

LTC3114-1
5
Rev. C
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TYPICAL PERFORMANCE CHARACTERISTICS
No-Load Input Current
vs V
IN
, Burst Mode Enabled
12V Output Efficiency vs V
IN
24V Output Efficiency
vs Load Maximum Load Current vs V
IN
5V Output Efficiency vs Load 12V Output Efficiency vs Load
(T
A
= 25°C unless otherwise specified)
LOAD CURRENT (A)
60
EFFICIENCY (%)
65
70
75
80
0.001 0.01 0.1 1
31141 G01
55
50
45
40
85
95
90
V
IN
= 3.6V
V
IN
= 12V
V
IN
= 24V
V
IN
= 36V
LOAD CURRENT (A)
60
EFFICIENCY (%)
65
70
75
80
0.001 0.01 0.1 1
31141 G02
55
50
45
40
85
95
90
V
IN
= 5V
V
IN
= 12V
V
IN
= 24V
V
IN
= 36V
INPUT VOLTAGE (V)
EFFICIENCY (%)
95
90
85
31141 G03
70
80
75
1 10 40
I
LOAD
= 200mA
I
LOAD
= 400mA
I
LOAD
= 600mA
I
LOAD
= 1A
LOAD CURRENT (A)
0.0001
EFFICIENCY (%)
65
70
75
80
0.001 0.01 0.1 1
31141 G04
60
85
95
90
V
IN
= 5V
V
IN
= 12V
V
IN
= 24V
V
IN
= 36V
INPUT VOLTAGE (V)
1
0.55
OUTPUT CURRENT (A)
0.75
0.95
10 40
31141 G05
0.35
0.05
0.15
1.35
1.15
0.45
0.65
0.85
0.25
1.25
1.05
V
OUT
= 5V
V
OUT
= 12V
V
OUT
= 24V
INPUT VOLTAGE (V)
1
INPUT CURRENT (µA)
40
80
10 40
31141 G06
20
160
120
60
140
100
V
OUT
= 5V
V
OUT
= 12V
Average Output Current
vs V
IN
, R
PROG
Burst Mode Operation Threshold
vs V
IN
No-Load Input Current
vs V
IN
, PWM Mode
INPUT VOLTAGE (V)
1
LOAD CURRENT (mA)
110
130
10 40
31141 G07
50
80
70
60
90
100
170
150
120
160
140
LOAD INCREASING
LOAD DECREASING
INPUT VOLTAGE (V)
1
INPUT CURRENT (mA)
10
15
10 40
31141 G08
5
20
V
OUT
= 5V
V
OUT
= 12V
INPUT VOLTAGE (V)
1
OUTPUT CURRENT (mA)
520
600
10 40
31141 G09
240
440
400
360
320
280
480
760
680
560
720
640
R = 25k
R = 50k
R = 100k
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