LTC3406B-2 Linear Technology, LTC3406B-2 Datasheet - Page 4

• Manufacturer Part Number: LTC3406B-2
• Description: (LTC3406B-1/-2) 600mA Synchronous Step-Down Regulator in ThinSOT
• Manufacturer: Linear Technology

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LTC3406B-1.2
(From Figure 1)
TYPICAL PERFOR A CE CHARACTERISTICS
4
4
0.7
0.6
0.4
0.3
0.2
0.5
0.1
0
0
R
T
DS(ON
A
= 25°C
1
) vs Input Voltage
2
SYNCHRONOUS
INPUT VOLTAGE (V)
SWITCH
3
MAIN
SWITCH
120
100
340
320
300
280
260
240
220
200
80
60
40
20
4
0
–50
0
Switch Leakage vs Input Voltage
Dynamic Supply Current vs
Temperature
RUN = 0V
T
V
I
A
LOAD
5
IN
= 25°C
–25
W
= 3.6V
1
= 0A
3406B12 G07
6
0
INPUT VOLTAGE (V)
SYNCHRONOUS
TEMPERATURE (°C)
U
2
7
25
SWITCH
3
50
SWITCH
MAIN
0.7
0.6
0.4
0.3
0.2
4
0.5
0.1
75
0
–50
R
DS(ON)
100
5
3406B12 G12
–25
3406B12 G10
MAIN SWITCH
SYNCHRONOUS SWITCH
V
IN
125
vs Temperature
6
= 4.2V
0
TEMPERATURE (°C)
25
AC COUPLED
V
200mA/DIV
IN
10mV/DIV
= 3.6V
50
2V/DIV
V
IN
V
300
250
100
200
150
OUT
SW
= 2.7V
50
I
0
L
75
–50
Discontinuous Operation
Switch Leakage vs Temperature
V
I
LOAD
V
RUN = 0V
IN
IN
= 3.6V
100
–25
3406B12 G08
= 5.5V
= 50mA
SYNCHRONOUS SWITCH
125
0
TEMPERATURE (°C)
25
1µs/DIV
400
380
360
340
320
300
280
260
240
220
200
MAIN SWITCH
50
2
Dynamic Supply Current vs
Supply Voltage
I
T
LOAD
75
A
= 25°C
= 0A
100
3406B12 G11
3406B12 G13
3
SUPPLY VOLTAGE (V)
125
4
sn3406b12 3406b12fs
5
3406B12 G09
6