6
Rev. C
For more information
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum Load to Full
Frequency (SYNC Float to 1.9V)
(MSOP Package) or LT8607B DFN
Frequency Foldback
Soft-Start Tracking
(MSOP Package)
Soft-Start Current vs Temperature
(MSOP Package)
Start-Up Dropout
V
IN
UVLO vs Temperature
Start-Up Dropout
INPUT VOLTAGE (V)
0
5
10 15 20 25 30 35 40 45
0
25
50
75
100
125
150
OUTPUT CURRENT (mA)
8607 G19
V
IN
= 12V
L = 2.2µH
V
OUT
= 3.3V
R
T
= 18.2kΩ
SS VOLTAGE (V)
0 0.1 0.2 0.4 0.5 0.6 0.7 0.8 1.0 1.1 1.2
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
FB VOL
TAGE (V)
8607 G21
TEMPERATURE (°C)
–50 –30 –10 10 30 50 70 90 110 130 150
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
SOF
T-ST
AR
T CURRENT (µA)
8607 G22
V
IN
V
OUT
R
LOAD
= 50Ω
INPUT VOLTAGE (V)
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
INPUT VOL
TAGE (V)
OUTPUT VOL
TAGE (V)
8607 G24
TEMPERATURE (°C)
–50 –30 –10 10 30 50 70 90 110 130 150
2.00
2.25
2.50
2.75
3.00
3.25
V
IN
UVLO (V)
8607 G23
V
IN
V
OUT
R
LOAD
= 6.66Ω
INPUT VOLTAGE (V)
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
INPUT VOL
TAGE (V)
OUTPUT VOL
TAGE (V)
8607 G25
T
A
= 25°C, unless otherwise noted.
FB VOLTAGE (V)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
0
250
500
750
1000
1250
1500
1750
2000
2250
2500
FREQUENCY (kHz)
8607 G20
SYNC = 0V OR LT8607 DFN
