LTC3406A LINER [Linear Technology], LTC3406A Datasheet - Page 4

• Manufacturer Part Number: LTC3406A
• Description: 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT
• Manufacturer: LINER [Linear Technology]

LTC3406A
TYPICAL PERFORMANCE CHARACTERISTICS
(From Front Page Figure Except for the Resistive Divider Resistor Values)
4
1.820
1.812
1.808
1.804
1.796
1.780
1.816
1.800
1.792
1.788
1.784
1.30
0.40
0.35
0.10
1.60
1.55
1.50
1.45
1.40
1.35
0.30
0.25
0.20
0.15
–50
0
0
Output vs Load Current
Oscillator Frequency vs
Temperature
R
V
V
SYNCHRONOUS
DS(ON)
IN
OUT
–25
= 3.6V
1
= 1.8V
SWITCH
OUTPUT CURRENT (mA)
vs Input Voltage
2
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
200
25
3
MAIN SWITCH
50
4
400
75
5
V
V
V
IN
IN
IN
100
6
= 2.7V
= 3.6V
= 4.2V
3406A G04
3406A G07
3406A G10
125
600
7
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
100
90
80
70
60
50
40
30
20
10
0
0
–50
2.0
2
Oscillator Frequency vs
Input Voltage
R
Effi ciency vs Input Voltage
V
DS(ON)
OUT
2.5
–25
V
IN
= 2.5V
= 2.7V
3.0
vs Temperature
3
0
INPUT VOLTAGE (V)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
3.5
25
SYNCHRONOUS SWITCH
MAIN SWITCH
V
4.0
IN
4
= 3.6V
50
4.5
75
5.0
I
I
I
L
L
L
5
V
IN
= 10mA
= 100mA
= 600mA
100
= 4.2V
5.5
3406A G11
3406A G08
3406A G05
125
6.0
6
AC COUPLED
200mA/DIV
20mV/DIV
2V/DIV
0.585
V
0.615
0.610
0.605
0.600
0.595
0.590
OUT
SW
10
I
L
6
0
9
8
7
5
4
3
2
1
–50
2.0
Reference Voltage vs
Temperature
Dynamic Supply Current
Burst Mode
V
V
I
Burst Mode OPERATION
V
LOAD
V
I
IN
OUT
LOAD
IN
OUT
= 3.6V
2.5
–25
= 3.6V
= 1.8V
= 10mA
= 1.2V
= 0A
3.0
0
INPUT VOLTAGE (V)
TEMPERATURE (°C)
3.5
25
4μs/DIV
4.0
50
4.5
75
5.0
100
5.5
3406afa
3406A G12
3406A G06
3406A G09
125
6.0