LTC3406A LINER [Linear Technology], LTC3406A Datasheet - Page 5

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

500mA/DIV
200mV/DIV
500mA/DIV
500mA/DIV
TYPICAL PERFORMANCE CHARACTERISTICS
(From Front Page Figure Except for the Resistive Divider Resistor Values)
2V/DIV
1V/DIV
300
250
200
150
100
I
I
V
V
LOAD
LOAD
50
RUN
OUT
0
OUT
–50
I
Dynamic Supply Current vs
Temperature
L
V
V
I
LOAD
IN
OUT
Start-Up from Shutdown
Load Step
V
V
I
V
V
I
LOAD
LOAD
–25
IN
OUT
IN
OUT
= 3.6V
= 3.6V
= 1.2V
= 3.6V
= 0A
= 1.8V
= 1.8V
= 600mA (3Ω RES)
= 100mA TO 600mA
0
TEMPERATURE (°C)
25
500μs/DIV
20μs/DIV
50
75
100
3406A G13
3406A G16
3406A G19
125
200mV/DIV
500mA/DIV
500mA/DIV
500mA/DIV
500mA/DIV
200mV/DIV
140
120
100
80
I
60
40
I
20
V
LOAD
V
LOAD
0
OUT
OUT
–50
I
Switch Leakage vs Temperature
I
L
L
Load Step
Load Step
V
V
I
V
V
I
–25
LOAD
LOAD
IN
OUT
IN
OUT
= 3.6V
= 3.6V
= 1.8V
= 1.8V
= 0mA TO 600mA
= 200mA TO 600mA
0
TEMPERATURE (°C)
SYNCHRONOUS
25
20μs/DIV
20μs/DIV
50
SWITCH
MAIN SWITCH
75
100
3406A G14
3406A G17
3406A G20
125
AC COUPLED
200mV/DIV
500mA/DIV
500mA/DIV
200mA/DIV
20mV/DIV
2V/DIV
I
V
1000
LOAD
V
900
800
700
600
500
400
300
200
100
OUT
OUT
SW
I
I
0
L
L
0
Load Step
Discontinuous Operation
Switch Leakage vs Input Voltage
RUN = 0V
V
V
I
V
V
I
LOAD
LOAD
IN
OUT
IN
OUT
= 3.6V
= 3.6V
= 1.8V
= 1.8V
= 50mA TO 600mA
1
= 50mA
SYNCHRONOUS
SWITCH
INPUT VOLTAGE (V)
LTC3406A
2
500ns/DIV
20μs/DIV
3
MAIN SWITCH
4
5
3406afa
3406A G15
5
3406A G18
3406A G21
6