LTC3404 LINER [Linear Technology], LTC3404 Datasheet - Page 4

• Manufacturer Part Number: LTC3404
• Description: 1.4MHz High Efficiency Monolithic Synchronous Step-Down Regulator
• Manufacturer: LINER [Linear Technology]

LTC3404
TYPICAL PERFOR A CE CHARACTERISTICS
4
1.55
1.50
1.45
1.40
1.35
1.30
1.25
0.7
0.6
0.4
0.3
0.1
0.9
0.8
0.5
0.2
95
90
85
80
75
70
65
0
0.1
–50
0
Efficiency vs Output Current
Oscillator Frequency
vs Temperature
R
V
DS(ON)
V
IN
IN
–25
1
= 3.6V
= 6V
V
IN
vs Input Voltage
1
OUTPUT CURRENT (mA)
2
V
IN
= 4.2V
SWITCH
0
INPUT VOLTAGE (V)
TEMPERATURE ( C)
= 3.6V
MAIN
3
25
10
SYNCHRONOUS
SWITCH
4
50
5
V
IN
75
100
V
L = 4.7 H
= 3V
6
W
OUT
100
= 1.8V
7
3404 G04
3404 G09
3404 G06
U
1000
125
8
1.55
1.50
1.45
1.40
1.35
1.30
1.25
100
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
95
90
85
80
75
70
65
–50
0.1
2
Efficiency vs Output Current
Oscillator Frequency
vs Supply Voltage
R
DS(ON)
–25
SYNCHRONOUS SWITCH
MAIN SWITCH
1
OUTPUT CURRENT (mA)
vs Temperature
V
SUPPLY VOLTAGE (V)
0
TEMPERATURE ( C)
IN
V
4
IN
= 4.2V
= 3.6V
25
10
50
V
6
V
IN
IN
75
= 6V
100
V
L = 4.7 H
= 3V
OUT
V
IN
100
= 3.1V
= 5V
3404 G07
3404 G10
3404 G4a
1000
125
8
0.814
0.809
0.804
0.799
0.794
0.789
0.784
1.83
1.82
1.81
1.80
1.79
1.77
1.76
1.75
1.78
350
300
500
450
400
250
200
150
100
50
0
–50
2
Reference Voltage
vs Temperature
0
Output Voltage vs Load Current
DC Supply Current
vs Input Voltage
V
PULSE SKIPPING MODE
V
L = 4.7 F
V
OUT
IN
IN
–25
= 3.6V
= 3.6V
= 1.8V
3
200
LOAD CURRENT (mA)
0
TEMPERATURE ( C)
INPUT VOLTAGE (V)
4
PULSE SKIPPING
OPERATION
Burst Mode
25
400
MODE
5
50
600
6
75
100
7
800
3404 G05
3404 G08
3404 G11
125
8