Datasheet

LT3686A
6
3686afa
Continuous Mode Waveform
T
A
= 25°C unless otherwise noted.
3.3V
OUT
Typical Minimum Input
Voltage
5V
OUT
Typical Minimum Input
Voltage
typicAl perForMAnce chArActeristics
Light Load Discontinuous Mode
Waveform
Fixed Frequency No Load
Waveform
I
LOAD
(mA)
1
0
V
IN
(V)
1
2
3
4
5
6
7
10 100 1000
3686A G18
V
OUT
= 3.3V
L = 15µH
f = 1MHz
MODE/SYNC > 0.8
MODE/SYNC < 0.4
I
LOAD
(mA)
1
0
V
IN
(V)
1
2
4
5
6
3
8
7
10 100 1000
3686A G19
V
OUT
= 5V
L = 22µH
f = 1MHz
MODE/SYNC > 0.8
MODE/SYNC < 0.4
V
IN
= 10V
V
OUT
= 3.3V
L = 6.8µH
f = 2MHz
C
OUT
= 22µF
I
LOAD
= 200mA
MODE/SYNC = 0V
V
SW
2V/DIV
I
L
200mA/DIV
200ns/DIV
3686A G20
V
IN
= 10V
V
OUT
= 3.3V
L = 6.8µH
f = 2MHz
C
OUT
= 22µF
I
LOAD
= 0mA
MODE/SYNC = 3.3V
V
SW
2V/DIV
I
L
200mA/DIV
200ns/DIV
3686A G22
V
IN
= 10V
V
OUT
= 3.3V
L = 6.8µH
f = 2MHz
C
OUT
= 22µF
I
LOAD
= 25mA
MODE/SYNC = 0V
V
SW
2V/DIV
I
L
200mA/DIV
200ns/DIV
3686A G21
V
OUT
= 5V
L = 22µH
f = 1MHz
I
LOAD
= 5mA
MODE/SYNC = 0V
200ms/DIV
3686A G23
V
IN
1V/DIV
V
OUT
1V/DIV
V
OUT
= 5V
L = 22µH
f = 1MHz
I
LOAD
= 5mA
MODE/SYNC = 1V
200ms/DIV
3686A G24
V
IN
1V/DIV
V
OUT
1V/DIV
V
OUT
= 5V
L = 22µH
f = 1MHz
I
LOAD
= 500mA
MODE/SYNC = 0V
200ms/DIV
3686A G25
V
IN
1V/DIV
V
OUT
1V/DIV
V
OUT
= 5V
L = 22µH
f = 1MHz
I
LOAD
= 500mA
MODE/SYNC = 1V
200ms/DIV
3686A G26
V
IN
1V/DIV
V
OUT
1V/DIV
Start-Up Shutdown Waveform
I
LOAD
= 5mA
Start-Up Shutdown Waveform
I
LOAD
= 500mA
Start-Up Shutdown Waveform
I
LOAD
= 500mA
Start-Up Shutdown Waveform
I
LOAD
= 5mA