Datasheet

4
LTC3410
3410fb
TYPICAL PERFOR A CE CHARACTERISTICS
UW
(From Figure 1 Except for the Resistive Divider Resistor Values)
R
DS(ON
) vs Input Voltage
INPUT VOLTAGE (V)
1
R
DS (ON)
(Ω)
0.4
1.0
1.1
1.2
3
5
6
3410 G09
0.2
0.8
0.6
0.3
0.9
0.1
0
0.7
0.5
2
4
7
MAIN SWITCH
SYNCHRONOUS SWITCH
Switch Leakage vs Temperature
TEMPERATURE (°C)
–50
SWITCH LEAKAGE (nA)
30
90
100
110
0
50
75
3410 G13
10
70
50
20
80
0
60
40
–25
25
100
125
V
IN
= 5.5V
RUN = 0V
SYNCHRONOUS
SWITCH
MAIN
SWITCH
Dynamic Supply Current
vs Temperature
TEMPERATURE (°C)
–50 –25
0
DYNAMIC SUPPLY CURRENT (µA)
20
50
0
50
75
3410 G12
10
40
30
25
100
125
Dynamic Supply Current vs V
IN
V
IN
(V)
1
DYNAMIC SUPPLY CURRENT (µA)
30
40
50
5
3410 G11
20
10
0
2
3
4
6
V
OUT
= 1.2V
I
LOAD =
0A
R
DS(ON)
vs Temperature
TEMPERATURE (°C)
–50
0
R
DS (ON)
(Ω)
0.2
0.6
0.8
1.0
–10
30
50 130
3410 G10
0.4
–30 10
70
90
110
1.2
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
SYNCHRONOUS SWITCH
MAIN SWITCH
Reference Voltage vs
Temperature
TEMPERATURE (°C)
–50
REFERENCE VOLTAGE (V)
0.804
0.809
0.814
25 75
3410 G05
0.799
0.794
–25 0
50 100 125
0.789
0.784
V
IN
= 3.6V
Oscillator Frequency vs
Temperature
TEMPERATURE (°C)
–50
1.8
OSCILLATOR FREQUENCY (MHz)
1.9
2.1
2.2
2.3
50
2.7
3410 G06
2.0
0
–25
75 100
25 125
2.4
2.5
2.6
V
IN
= 3.6V
Oscillator Frequency vs
Supply Voltage
SUPPLY VOLTAGE (V)
2
1.8
OSCILLATOR FREQUENCY (MHz)
1.9
2.1
2.2
2.3
4
6
2.7
3410 G07
2.0
35
2.4
2.5
2.6
Output Voltage vs Load Current
LOAD CURRENT (mA)
0
V
OUT
ERROR (%)
–0.5
0
0.5
300
500
3410 G08
–1.0
–1.5
100 200 400
1.0
V
IN
= 3.6V
V
OUT
= 1.8V