Datasheet

LT3682
6
3682f
RUN/SS PIN VOLTAGE (V)
0
RUN/SS PIN CURRENT (µA)
10
8
35 40
3682 G19
4
2
6
0
5
10 15 20 3025
12
BOOST DIODE CURRENT (A)
0
BOOST DIODE V
f
(V)
1
0.8
1.2
1
3682 G20
0.4
0.2
0.6
0
0.25
0.5 0.75
1.4
FB PIN ERROR VOLTAGE (mV)
200
V
C
PIN CURRENT (µA)
0
10
20
30
10
40
50
200
3682 G21
40
30
50
20
60
100
0 100
60
LOAD CURRENT (mA)
1
INPUT VOLTAGE (V)
4
3.5
4.5
1000
3682 G22
2.5
3
2
10 100
5
V
OUT
= 3.3V
L = 10µH
f = 800kHz
LOAD CURRENT (mA)
1
INPUT VOLTAGE (V)
5.5
5
6
1000
3682 G23
4.5
4
10 100
6.5
V
OUT
= 5V
L = 10µH
f = 800kHz
LOAD CURRENT(A)
0
V
IN
(V)
30
35
1
3682 G24
20
25
15
10
5
0.1
0.2
0.3 0.4 0.5 0.7 0.90.80.6
40
T
A
= 85˚C
T
A
= 25˚C
V
OUT
= 3.3V
L = 10µH
f = 800kHz
SYNC = 3.3V
LOAD CURRENT(A)
V
IN
(V)
3682 G25
0
30
35
1
20
25
15
10
5
0.1
0.2
0.3 0.4 0.5 0.7 0.90.80.6
40
T
A
= 85˚C
T
A
= 25˚C
V
OUT
= 5V
L = 10µH
f = 800kHz
SYNC = 5V
LOAD CURRENT(A)
V
IN
(V)
3682 G26
0
30
35
1
20
25
15
10
5
0.1
0.2
0.3 0.4 0.5 0.7 0.90.80.6
40
T
A
= 85˚C
T
A
= 25˚C
V
OUT
= 5V
L = 4.7µH
f = 2MHz
SYNC =5V
TEMPERATURE(°C)
V
C
VOLTAGE (V)
1.5
1
2
3682 G27
0.5
0
2.5
50 25
0 25 50 100 12575
SWITCHING THRESHOLD
CURRENT LIMIT CLAMP
Minimum Input Voltage Minimum Input Voltage Maximum V
IN
for Full Frequency
Maximum V
IN
for Full Frequency Maximum V
IN
for Full Frequency V
C
Voltages
RUN/SS Pin Current Boost Diode Forward Voltage Error Amplifi er Output Current
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, unless otherwise noted.