Datasheet
LT3465/LT3465A
3
3465afa
SCHOTTKY FORWARD DROP (mV)
0
0
SCHOTTKY FORWARD CURRENT (mA)
50
100
150
200
300
200
400 600 800
3465A G02
1000 1200
250
T
A
= 25°C
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Switch Saturation Voltage (V
CESAT
) Schottky Forward Voltage Drop
Shutdown Quiescent Current
(CTRL = 0V)
SWITCH CURRENT (mA)
0
0
SWITCH SATURATION VOLTAGE (mV)
50
150
200
250
200
450
3465A G01
100
100
50
250 300
150 350
300
350
400
T
A
= 25°C
V
IN
(V)
2
I
Q
(µA)
12
15
18
8
14
3465A G03
9
6
3
0
4 6 10 12
21
24
27
30
16
T
A
= 25°C
V
FB
vs V
CTRL
Open-Circuit Output Clamp Voltage
CONTROL VOLTAGE (V)
0
FEEDBACK VOLTAGE (mV)
100
150
2
3465A G04
50
0
0.5
1
1.5
250
200
T
A
= 25°C
INPUT VOLTAGE (V)
2
20
25
35
812
3465A G05
15
10
46
10 14 16
5
0
30
OUTPUT CLAMP VOLTAGE (V)
T
A
= 25°C
Input Current in Output Open Circuit
Switching Waveforms (LT3465)
INPUT VOLTAGE (V)
2 2.5
0
INPUT CURRENT (mA)
2
5
3
4
4.5
3465A G06
1
4
3
3.5
5
T
A
= 25°C
V
SW
10V/DIV
I
L
100mA/DIV
V
OUT
100mV/DIV
V
IN
= 3.6V 200ns/DIV 3465A G07a
4 LEDs
20mA, 22µH
TEMPERATURE (°C)
–50
4365A G08
0
50 100
SWITCHING FREQUENCY (MHz)
3.0
2.5
2.0
1.5
1.0
0.5
0
LT3465
LT3465A
Switching Frequency
Switching Waveforms (LT3465A)
V
SW
10V/DIV
I
L
50mA/DIV
V
OUT
50mV/DIV
V
IN
= 3.6V 100ns/DIV 3465A G07b
4 LEDs
20mA, 22µH