Datasheet

4
LTC3413
3413fb
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Quiescent Current vs Input Voltage Load Step Transient
INPUT VOLTAGE (V)
2.0
200
250
350
3.5 4.5
3413 G10
150
100
2.5 3.0
4.0 5.0 5.5
50
0
300
QUIESCENT CURRENT (μA)
T
A
= 25°C
OUTPUT
VOLTAGE
100mV/DIV
INDUCTOR
CURRENT
1A/DIV
V
IN
= 2.5V 20μs/DIV 3413 G11
V
OUT
= 1.25V
LOAD STEP = 0A TO 3A
Load Step Transient
OUTPUT
VOLTAGE
100mV/DIV
INDUCTOR
CURRENT
1A/DIV
V
IN
= 2.5V 20μs/DIV 3413 G12
V
OUT
= 1.25V
LOAD STEP = 0A TO –3A
Start-Up
INDUCTOR
CURRENT
1A/DIV
V
IN
= 2.5V 1ms/DIV 3413 G13
V
OUT
= 1.25V
LOAD = 0.4Ω
OUTPUT
VOLTAGE
500mV/DIV
Frequency vs R
OSC
Frequency vs Input Voltage Frequency vs Temperature
R
OSC
(kΩ)
54
0
FREQUENCY (kHz)
500
1500
2000
2500
654 754 854 954
4500
3413 G07
1000
154 254 354 454 554
3000
3500
4000
V
IN
= 3.3V
T
A
= 25°C
INPUT VOLTAGE (V)
2.5
990
FREQUENCY (kHz)
1000
1010
1020
1030
1050
3
3.5 4 4.5
3213 G08
5 5.5
1040
T
A
= 25°C
TEMPERATURE (°C)
–40
990
FREQUENCY (kHz)
992
996
998
1000
1010
1004
0
40
60
3413 G09
994
1006
1008
1002
–20 20
80
100
120
V
IN
= 3.3V