ltc3406ab-2 Linear Technology Corporation, ltc3406ab-2 Datasheet - Page 4

• Manufacturer Part Number: ltc3406ab-2
• Description: 2.25mhz, 600ma Synchronous Step-down Regulator In Thinsot
• Manufacturer: Linear Technology Corporation

LTC3406AB-2
TYPICAL PERFORMANCE CHARACTERISTICS
(From Figure 1a Except for the Resistive Divider Resistor Values)
4
2.50
2.45
2.40
2.35
2.30
2.25
2.20
2.15
2.10
2.05
2.00
0.40
0.35
0.20
0.10
0.30
0.25
0.15
300
250
150
100
200
50
0
–50
–50
0
Oscillator Frequency vs
Temperature
R
Dynamic Supply Current
vs Temperature
V
V
V
I
SYNCHRONOUS
DS(ON)
LOAD
IN
IN
OUT
–25
–25
= 3.6V
1
= 3.6V
= 1.2V
= 0A
SWITCH
vs Input Voltage
0
2
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
PULSE SKIPPING MODE
25
25
3
MAIN SWITCH
50
50
4
75
75
5
3406AB2 G10
3406AB2 G13
100
100
3406AB2 G07
6
125
125
7
0.10
0.40
0.35
0.30
0.25
0.20
0.15
0.05
140
120
100
2.4
2.2
2.1
1.9
1.8
2.3
2.0
80
60
40
20
0
0
–50
–50
2
Oscillator Frequency vs
Supply Voltage
R
Switch Leakage vs Temperature
DS(ON)
2.5
–25
–25
V
IN
= 2.7V
vs Temperature
3
0
0
INPUT VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
3.5
SYNCHRONOUS
25
25
SYNCHRONOUS SWITCH
MAIN SWITCH
V
IN
4
= 3.6V
50
SWITCH
50
4.5
MAIN SWITCH
75
75
5
V
IN
3406AB2 G14
100
100
3406AB2 G08
= 4.2V
3406AB2 G11
5.5
125
125
6
1.820
1.816
1.812
1.808
1.804
1.800
1.796
1.792
1.788
1.780
1.784
1000
900
800
700
600
500
400
300
200
100
300
200
150
250
100
50
0
0
0
2
0
Output Voltage vs Load Current
Dynamic Supply Current
Switch Leakage vs Input Voltage
RUN = 0V
V
V
I
LOAD
OUT
OUT
2.5
= 1.8V
= 1.2V
1
= 0A
PULSE SKIPPING MODE
SYNCHRONOUS
OUTPUT CURRENT (mA)
3
INPUT VOLTAGE (V)
SWITCH
INPUT VOLTAGE (V)
200
2
3.5
3
4
MAIN SWITCH
4.5
400
4
5
V
V
V
IN
IN
IN
5
3406AB2 G15
3406AB2 G09
3406AB2 G12
= 2.7V
= 3.6V
= 4.2V
5.5
3406ab2f
600
6
6