Datasheet

3
LTC34 06B-2
sn3406b2 3406b2fs
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Efficiency vs Input Voltage
Efficiency vs Output Current
Efficiency vs Output Current
Efficiency vs Output Current
Reference Voltage vs
Temperature
Oscillator Frequency vs
Temperature
(From Figure 1a Except for the Resistive Divider Resistor Values)
TEMPERATURE (°C)
–50
REFERENCE VOLTAGE (V)
0.614
0.609
0.604
0.599
0.594
0.589
0.584
25 75
–25 0
50 100 125
V
IN
= 3.6V
3406B G05
TEMPERATURE (°C)
–50
FREQUENCY (MHz)
2.55
2.40
2.25
2.10
1.95
25 75
–25 0
50 100 125
V
IN
= 3.6V
3406B G06
INPUT VOLTAGE (V)
2
EFFICIENCY (%)
6
3406B G01
3
4
5
100
95
90
85
80
75
70
65
I
OUT
= 600mA
I
OUT
= 100mA
I
OUT
= 10mA
T
A
= 25°C
OUTPUT CURRENT (mA)
0.1
EFFICIENCY (%)
10
1000
100
90
80
70
60
50
40
30
20
10
3406B G02
1 100
V
OUT
= 1.2V
T
A
= 25°C
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V
OUTPUT CURRENT (mA)
0.1
EFFICIENCY (%)
10
1000
100
90
80
70
60
50
40
30
20
10
3406B G03
1 100
V
OUT
= 1.5V
T
A
= 25°C
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V
OUTPUT CURRENT (mA)
0.1
EFFICIENCY (%)
10
1000
100
90
80
70
60
50
40
30
20
10
3406B G04
1 100
V
OUT
= 2.5V
T
A
= 25°C
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V
Oscillator Frequency vs
Supply Voltage
Output Voltage vs Load Current
R
DS(ON
) vs Input Voltage
SUPPLY VOLTAGE (V)
2
OSCILLATOR FREQUENCY (MHz)
2.70
2.55
2.40
2.25
2.10
1.95
1.80
34 56
3406B G07
T
A
= 25°C
INPUT VOLTAGE (V)
10
0.4
0.5
0.7
46
3406B G09
0.3
0.2
23
57
0.1
0
0.6
R
DS(ON)
(Ω)
MAIN
SWITCH
SYNCHRONOUS
SWITCH
T
A
= 25°C
LOAD CURRENT (mA)
0
OUTPUT VOLTAGE (V)
500200 300 400 600 800100
1.844
1.834
1.824
1.814
1.804
1.794
1.784
1.774
3406B G08
900700
V
IN
= 3.6V
T
A
= 25°C