Datasheet

LT3494/LT3494A
5
3494fb
LT3494A Switching Waveforms at
No Load
LT3494A Switching Waveforms at
5mA Load
LT3494A Switching Waveforms at
30mA Load
LT3494 Start-Up Waveforms LT3494 Transient Response LT3494A Transient Response
CAP
VOLTAGE
5V/DIV
V
OUT
VOLTAGE
5V/DIV
INDUCTOR
CURRENT
100mA/DIV
200μs/DIV
3494 G16
FIGURE 5 CIRCUIT
V
CC
= 3.6V
V
OUT
= 16V
V
OUT
VOLTAGE
50mV/DIV
AC COUPLED
INDUCTOR
CURRENT
100mA/DIV
100μs/DIV
3494 G17
FIGURE 5 CIRCUIT
10mA→15mA→10mA LOAD PULSE
V
CC
= 3.6V
V
OUT
= 16V
V
OUT
10mV/DIV
AC
COUPLED
SW
VOLTAGE
10V/DIV
INDUCTOR
CURRENT
50mA/DIV
5 s/DIV
3494 G13
FIGURE 6 CIRCUIT
V
CC
= 3.6V
V
OUT
= 16V
V
OUT
10mV/DIV
AC
COUPLED
SW
VOLTAGE
10V/DIV
INDUCTOR
CURRENT
100mA/DIV
2 s/DIVV
CC
= 3.6V
V
OUT
= 16V
3494 G14
FIGURE 6 CIRCUIT
V
OUT
10mV/DIV
AC
COUPLED
SW
VOLTAGE
10V/DIV
INDUCTOR
CURRENT
200mA/DIV
500ns/DIVV
CC
= 3.6V
V
OUT
= 16V
3494 G15
FIGURE 6 CIRCUIT
V
OUT
50mV/DIV
AC
COUPLED
INDUCTOR
CURRENT
200mA/DIV
100μs/DIVV
CC
= 3.6V
V
OUT
= 16V
3494 G18
FIGURE 6 CIRCUIT
15mA→30mA→15mA LOAD PULSE
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C unless otherwise noted.