Datasheet

LT3693
6
3693f
1 1000
0
10 100 1000
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
5.0
5.5
3693 G21
4.5
4.0
6.5
6.0
V
OUT
= 5V
T
A
= 25 oC
L = 4.7MH
f = 600kHz
Minimum Input Voltage
TEMPERATURE (°C)
V
C
VOLTAGE (V)
1.50
2.00
2.50
3693 G22
1.00
0.50
0
CURRENT LIMIT CLAMP
SWITCHING THRESHOLD
–50 25–25 0 50 75 100 150125
V
C
Voltages
TEMPERATURE (°C)
THRESHOLD VOLTAGE (%)
85
90
95
3693 G23
80
75
–50 25–25 0 50 75 100 150125
Power Good Threshold
3693 G25
I
L
0.2A/DIV
V
SW
5V/DIV
V
OUT
10mV/DIV
V
IN
= 12V
V
OUT
= 3.3V
I
LOAD
= 110mA
1μs/DIV
Switching Waveforms;
Discontinuous Operation
3693 G26
I
L
0.5A/DIV
V
SW
5V/DIV
V
OUT
10mV/DIV
V
IN
= 12V
V
OUT
= 3.3V
I
LOAD
= 1A
1μs/DIV
Switching Waveforms;
Continuous Operation
TYPICAL PERFOR A CE CHARACTERISTICS
UW
T
A
= 25°C unless otherwise noted.