LT3686 LINER [Linear Technology], LT3686 Datasheet - Page 5

• Manufacturer Part Number: LT3686
• Manufacturer: LINER [Linear Technology]

typicAl perForMAnce chArActeristics
900
800
700
600
500
400
300
200
100
300
250
200
150
100
3.0
2.5
2.0
1.5
1.0
0.5
50
0
0
0
0
0
Current Limit vs Duty Cycle
0
Switching Frequency vs R
Soft-Start/Track vs V
200
0.5
25
400
FREQUENCY (MHz)
DUTY CYCLE (%)
1
SS (mV)
SWITCH PEAK
600
50
1.5
FB
DA VALLEY
800
75
T
1000
2
3686 G12
3686 G09
3686 G15
1200
2.5
100
2.20
2.15
2.10
2.05
2.00
1.95
1.90
25
20
15
10
45
40
35
30
25
20
15
10
5
0
5
0
–50
3.3V
Frequency (2MHz)
0
EN/UVLO Pin Current
0
Switching Frequency vs
Temperature
R
T
= 15.4k
MODE > 0.8
OUT
10
0
Maximum V
MODE < 0.4
LOAD CURRENT (mA)
TEMPERATURE (°C)
500
20
EN/UVLO (V)
50
30
IN
1000
for Full
40
V
L = 6.8µH
f = 2MHz
100
OUT
= 3.3V
T
3686 G10
50
3686 G13
3686 G16
A
1500
= 25°C unless otherwise noted.
150
1200
1000
800
600
400
200
3.0
2.5
2.0
1.5
1.0
35
30
25
20
15
10
0
5
0
–50
0
0
Soft-Start/Track vs Frequency
(1MHz)
5V
Frequency (2MHz)
Switch Current Limit vs
Temperature
OUT
500
MODE > 0.8
Maximum V
MODE < 0.4
0
LOAD CURRENT (mA)
TEMPERATURE (°C)
1000
500
SS (mV)
50
IN
1500
LT3686
for Full
100
V
L = 10µH
f = 2MHz
1000
2000
OUT
= 5V
3686 G14
3686 G11
3686 G17
3686fa

2500
150