ltc3406bes5-1.8 Linear Technology Corporation, ltc3406bes5-1.8 Datasheet - Page 4

• Manufacturer Part Number: ltc3406bes5-1.8
• Description: 1.5mhz, 600ma Synchronous Step-down Regulator In Thinsot
• Manufacturer: Linear Technology Corporation

LTC3406B
(From Figure1a Except for the Resistive Divider Resistor Values)
TYPICAL PERFOR A CE CHARACTERISTICS
4
300
250
150
100
200
1.8
1.7
1.6
1.5
1.4
1.3
1.2
0.7
0.6
0.5
0.4
0.3
0.2
0.1
50
0
0
–50
–50
Switch Leakage vs Temperature
2
Oscillator Frequency vs
Supply Voltage
R
T
V
RUN = 0V
A
DS(ON)
IN
= 25°C
–25
–25
= 5.5V
SYNCHRONOUS SWITCH
MAIN SWITCH
SYNCHRONOUS SWITCH
V
IN
3
vs Temperature
SUPPLY VOLTAGE (V)
= 4.2V
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
V
IN
4
MAIN SWITCH
= 3.6V
50
50
V
IN
= 2.7V
75
75
5
W
100
100
3406B G07
3406B G10
3406B G13
U
125
125
6
1.844
1.834
1.824
1.814
1.804
1.794
1.784
1.774
120
100
400
380
360
340
320
300
280
260
240
220
200
20
80
60
40
0
Output Voltage vs Load Current
2
Switch Leakage vs Input Voltage
0
0
Dynamic Supply Current vs
Supply Voltage
RUN = 0V
T
V
T
V
I
T
A
LOAD
A
IN
A
OUT
100
= 25°C
= 25°C
= 25°C
= 3.6V
1
= 1.8V
= 0A
200 300 400
3
LOAD CURRENT (mA)
SUPPLY VOLTAGE (V)
INPUT VOLTAGE (V)
SYNCHRONOUS
2
SWITCH
3
4
500
SWITCH
MAIN
600
4
5
700
5
3406B G08
3406B G14
800
3406B G11
900
6
6
AC COUPLED
200mA/DIV
10mV/DIV
2V/DIV
340
320
300
280
260
240
220
200
0.7
0.4
0.6
0.5
0.3
0.2
0.1
V
0
OUT
SW
–50
0
R
Dynamic Supply Current vs
Temperature
I
L
T
DS(ON
V
V
I
A
Discontinuous Operation
LOAD
V
V
I
IN
OUT
LOAD
= 25°C
IN
OUT
–25
= 3.6V
1
= 3.6V
= 1.8V
= 0A
= 1.8V
= 50mA
) vs Input Voltage
2
0
SYNCHRONOUS
INPUT VOLTAGE (V)
TEMPERATURE (°C)
SWITCH
25
3
1µs/DIV
MAIN
SWITCH
50
4
75
5
100
6
3406B G09
3406B G12
3406bfa
3406B G15
125
7