LTC3406-1.2 Linear Technology, LTC3406-1.2 Datasheet - Page 3

• Manufacturer Part Number: LTC3406-1.2
• Description: 1.5MHz / 600mA Synchronous Step-Down Regulator in ThinSOT
• Manufacturer: Linear Technology

(From Figure 1)
TYPICAL PERFOR A CE CHARACTERISTICS
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
100
0.7
0.6
0.4
0.3
0.2
0.5
0.1
95
90
85
80
75
70
0
–50
2
0
Efficiency vs Input Voltage
Oscillator Frequency vs
Temperature
R
T
V
DS(ON)
A
IN
–25
= 25°C
= 3.6V
I
OUT
1
I
OUT
= 10mA
vs Input Voltage
3
0
2
= 600mA
SYNCHRONOUS
TEMPERATURE (°C)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
SWITCH
25
3
I
OUT
4
MAIN
SWITCH
50
= 100mA
4
75
5
W
5
100
6
340612 G07
340612 G01
340612 G04
U
125
6
7
100
1.8
1.7
1.6
1.5
1.4
1.3
1.2
0.7
0.6
0.4
0.3
0.2
0.5
0.1
90
80
70
60
50
40
0
–50
0.1
2
Efficiency and Power Loss
Oscillator Frequency vs
Supply Voltage
R
T
A
DS(ON)
= 25°C
–25
MAIN SWITCH
SYNCHRONOUS SWITCH
V
IN
vs Temperature
3
1
SUPPLY VOLTAGE (V)
= 4.2V
0
TEMPERATURE (°C)
I
LOAD
25
V
10
IN
4
(mA)
= 3.6V
50
V
IN
= 2.7V
75
100
5
V
V
V
IN
IN
IN
100
340612 GO2
T
340612 G05
= 2.7V
= 3.6V
= 4.2V
340612 G08
A
= 25°C unless otherwise specified.
1000
125
6
1.225
1.215
1.205
1.195
1.185
1.175
1.228
1.218
1.208
1.198
1.188
1.178
1.168
50
45
40
35
30
25
20
15
10
5
0
–50
0
Reference Voltage vs
Temperature
Output Voltage vs Load Current
Supply Current vs Supply Voltage
2
I
V
LOAD
IN
100
–25
= 3.6V
= 0A
200 300 400
www.DataSheet4U.com
3
LOAD CURRENT (mA)
SUPPLY VOLTAGE (V)
0
TEMPERATURE (°C)
LTC3406-1.2
25
500
4
50
600
700
75
5
800
100
340612 G06
340612 G09
900
340612f
340612 G03
3
1000
125
6