4
Rev. C
For more information
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency (5V Output, Burst Mode
Operation)
Efficiency (5V Output, Burst Mode
Operation)
Efficiency (3.3V Output,
Burst Mode Operation)
Efficiency (3.3V Output,
Burst Mode Operation)
FB Voltage
Load Regulation
Line Regulation
No-Load Supply Current
(3.3V Output Switching)
No Load Supply Current vs
Temperature (Not Switching)
INPUT VOLTAGE (V)
2
10
18
26
34
42
–0.20
–0.15
–0.10
–0.05
0.00
0.05
0.10
0.15
0.20
CHANGE IN V
OUT
(%)
8607 G07
TEMPERATURE (°C)
–50
–10
30
70
110
150
775
776
777
778
779
780
FB REGULA
TION VOL
TAGE (mV)
8607 G05
OUTPUT CURRENT (mA)
0
125
250
375
500
625
750
–0.25
–0.20
–0.15
–0.10
–0.05
0.00
0.05
0.10
0.15
0.20
0.25
CHANGE IN V
OUT
(%)
8607 G06
T
A
= 25°C, unless otherwise noted.
f
SW
= 2MHz
V
IN
= 12V
V
IN
= 24V
L = 4.7µH
SYNC = 0V OR LT8607 DFN
I
OUT
(mA)
0
125
250
375
500
625
750
50
55
60
65
70
75
80
85
90
95
100
EFFICIENCY (%)
8607 G01
f
SW
= 2MHz
V
IN
= 12V
V
IN
= 24V
L = 4.7µH
I
OUT
(mA)
0.001 0.01
0.1
1
10
100
900
0
10
20
30
40
50
60
70
80
90
100
EFFICIENCY (%)
8607 G02
SYNC = 0V OR LT8607 DFN
f
SW
= 2MHz
V
IN
= 12V
V
IN
= 24V
L = 2.2µH
I
OUT
(mA)
0
125
250
375
500
625
750
50
55
60
65
70
75
80
85
90
95
100
EFFICIENCY (%)
8607 G03
SYNC = 0V OR LT8607 DFN
f
SW
= 2MHz
V
IN
= 12V
V
IN
= 24V
L = 2.2µH
I
OUT
(mA)
0.001 0.01
0.1
1
10
100
900
0
10
20
30
40
50
60
70
80
90
100
EFFICIENCY (%)
8607 G04
SYNC = 0V OR LT8607 DFN
L = 2.2µH
INPUT VOLTAGE (V)
2
10
18
26
34
42
2.00
2.25
2.50
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
I
IN
(µA)
8607 G08
SYNC = 0V OR LT8607 DFN
TEMPERATURE (°C)
–50
–10
30
70
110
150
1.3
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
3.3
INPUT CURRENT (µA)
8607 G09
SYNC = 0V OR LT8607 DFN
