Datasheet
LTC3414
3
3414fb
TYPICAL PERFOR A CE CHARACTERISTICS
UW
V
REF
vs Temperature, V
IN
= 3.3V
Switch On-Resistance vs
Input Voltage
Switch On-Resistance vs
Temperature, V
IN
= 3.3V
TEMPERATURE (°C)
–40
0.795
V
REF
(V)
0.796
0.798
0.799
0.800
0
40
60 140
3414 G01
0.797
–20 20
80
100
120
INPUT VOLTAGE (V)
2.25 2.75 3.25 3.75 4.25 4.75 5.25 5.75
ON-RESISTANCE (mΩ)
90
80
70
60
50
40
30
20
10
0
3414 G02
PFET
NFET
T
A
= 25°C
TEMPERATURE (°C)
–40
ON-RESISTANCE (mΩ)
120
100
80
60
40
20
0
–25
3414 G03
–10
520
35
50
65 80 95
110
125
PFET
NFET
INPUT VOLTAGE (V)
2.25
SWITCH LEAKAGE CURRENT (nA)
20
18
16
14
12
10
8
6
4
2
0
3.25 4.25 4.75
3414 G04
2.75 3.75 5.25
INPUT VOLTAGE (V)
2.25 3.25 4.25 4.752.75 3.75 5.25
PFET
NFET
R
OSC
(k)
25
FREQUENCY (kHz)
7000
6000
5000
4000
3000
2000
1000
0
3414 G05
225 925825725625525125 325 425
1040
1020
1000
980
960
940
920
900
3414 G06
FREQUENCY (kHz)
TEMPERATURE (°C)
–40
60
1090
1070
1050
1030
1010
990
970
950
930
910
3414 G07
–20 12002040 80
100
INPUT VOLTAGE (V)
2.25
350
300
250
200
150
100
50
0
3.75 4.75
3414 G08
2.75 3.25
4.25 5.25
QUIESCENT CURRENT (μA)
BURST CLAMP VOLTAGE (V)
0
MINIMUM PEAK INDUCTOR CURRENT (A)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0.2
0.4
0.5
3414 G09
0.1 0.3
0.6
0.7
0.8
FREQUENCY (kHz)
ACTIVE
SLEEP
V
IN
= 3.3V
T
A
= 25°C
V
IN
= 3.3V
T
A
= 25°C
V
IN
= 3.3V
R
OSC
= 294k
R
OSC
= 294k
T
A
= 25°C
T
A
= 25°C
T
A
= 25°C
Frequency vs Temperature
DC Supply Current vs Input
Voltage
Minimum Peak Inductor Current
vs Burst Clamp Voltage
Switch Leakage vs Input Voltage
Frequency vs R
OSC
Frequency vs Input Voltage