Datasheet

4
LTC34 06
LTC34 06 -1.5/LTC34 06 -1.8
3406fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Oscillator Frequency vs
Supply Voltage
Output Voltage vs Load Current
R
DS(ON
) vs Input Voltage
(From Figure1a Except for the Resistive Divider Resistor Values)
SUPPLY VOLTAGE (V)
2
OSCILLATOR FREQUENCY (MHz)
1.8
1.7
1.6
1.5
1.4
1.3
1.2
34 56
3406 G07
LOAD CURRENT (mA)
0
OUTPUT VOLTAGE (V)
200 300 400 500 600 700 800
1.844
1.834
1.824
1.814
1.804
1.794
1.784
1.774
3406 G08
100 900
V
IN
= 3.6V
INPUT VOLTAGE (V)
10
0.4
0.5
0.7
46
3406 G09
0.3
0.2
23
57
0.1
0
0.6
R
DS(ON)
(Ω)
MAIN
SWITCH
SYNCHRONOUS
SWITCH
R
DS(ON)
vs Temperature Supply Current vs Supply Voltage Supply Current vs Temperature
Switch Leakage vs Temperature
Switch Leakage vs Input Voltage
Burst Mode Operation
TEMPERATURE (°C)
–50
0.4
0.5
0.7
25 75
3406 G10
0.3
0.2
–25 0
50 100 125
0.1
0
0.6
R
DS(ON)
(Ω)
MAIN SWITCH
SYNCHRONOUS SWITCH
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
SUPPLY VOLTAGE (V)
2
0
SUPPLY CURRENT (µA)
5
15
20
25
50
35
3
4
3406 G11
10
40
45
30
5
6
V
OUT
= 1.8V
I
LOAD
= 0A
TEMPERATURE (°C)
–50
0
SUPPLY CURRENT (µA)
5
15
20
25
50
35
0
50
75
3406 G12
10
40
45
30
–25
25
100
125
V
IN
= 3.6V
V
OUT
= 1.8V
I
LOAD
= 0A
TEMPERATURE (°C)
–50
SWITCH LEAKAGE (nA)
200
250
300
25 75
3406 G13
150
100
–25 0
50 100 125
50
0
V
IN
= 5.5V
RUN = 0V
MAIN SWITCH
SYNCHRONOUS SWITCH
INPUT VOLTAGE (V)
0
0
SWITCH LEAKAGE (pA)
20
40
60
80
120
1
234
3406 G14
56
100
RUN = 0V
SYNCHRONOUS
SWITCH
MAIN
SWITCH
SW
5V/DIV
I
L
200mA/DIV
V
OUT
100mV/DIV
AC COUPLED
4µs/DIVV
IN
= 3.6V
V
OUT
= 1.8V
I
LOAD
= 50mA
3406 G15