ltc3406ab Linear Technology Corporation, ltc3406ab Datasheet - Page 4

• Manufacturer Part Number: ltc3406ab
• Description: 1.5mhz, 600ma Synchronous Step-down Regulator In Thinsot
• Manufacturer: Linear Technology Corporation

LTC3406AB
TYPICAL PERFORMANCE CHARACTERISTICS
(From Front Page Figure Except for the Resistive Divider Resistor Values)
4
0.40
0.35
0.20
0.10
1.60
1.55
1.50
1.45
1.40
1.35
1.30
0.30
0.25
0.15
300
250
200
150
100
50
0
–50
–50
0
Oscillator Frequency vs
Temperature
R
Dynamic Supply Current vs
Temperature
V
V
V
I
DS(ON)
LOAD
IN
IN
OUT
–25
–25
= 3.6V
1
= 3.6V
= 1.2V
= 0A
MAIN SWITCH
SYNCHRONOUS SWITCH
vs Input Voltage
2
0
0
INPUT VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
3
50
50
4
75
75
5
100
100
6
3406B G25
3406B G28
3406B G22
125
125
7
0.10
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
0.40
0.35
0.30
0.25
0.20
0.15
0.05
140
120
100
80
60
40
20
0
0
–50
–50
2.0
Oscillator Frequency vs Supply
Voltage
R
Switch Leakage vs Temperature
DS(ON)
–25
–25
2.5
V
IN
MAIN SWITCH
SYNCHRONOUS SWITCH
= 2.7V
3.0
vs Input Voltage
0
0
INPUT VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
3.5
25
25
MAIN SWITCH
SYNCHRONOUS SWITCH
V
4.0
IN
= 3.6V
50
50
4.5
75
75
5.0
V
IN
100
100
= 4.2V
5.5 6.0
3406B G07
3406B G29
3406B G26
125
125
1.820
1.816
1.812
1.808
1.804
1.800
1.796
1.792
1.780
1.788
1.784
1000
300
200
150
900
800
700
600
500
400
300
200
100
250
100
50
0
0
2
0
0
Output vs Load Current
Dynamic Supply Current
Switch Leakage vs Input Voltage
V
I
V
LOAD
OUT
OUT
2.5
= 1.2V
= 1.8V
= 0A
1
MAIN SWITCH
SYNCHRONOUS SWITCH
OUTPUT CURRENT (mA)
3
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
200
2
3.5
4
3
4.5
400
4
5
V
V
V
RUN = 0V
IN
IN
IN
5
= 2.7V
= 3.6V
= 4.2V
5.5
3406B G30
3406B G27
3406B G24
3406abfa
600
6
6