LTC3411EDD Linear Technology, LTC3411EDD Datasheet - Page 6

• Manufacturer Part Number: LTC3411EDD
• Description: IC DC/DC CONV STEP-DOWN 10DFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3411EDD

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 5 V
• Current - Output: 1.25A
• Frequency - Switching: 1MHz
• Voltage - Input: 2.63 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL PERFORMANCE CHARACTERISTICS
LTC3411
6
–0.1
–0.2
–0.3
–0.4
–0.5
–10
0.4
0.3
0.2
0.1
10
–2
–4
–6
–8
0
8
6
4
2
0
–50
1
Load Regulation
Frequency Variation
vs Temperature
PULSE SKIP
CONTINUOUS
FORCED
–25
10
LOAD CURRENT (mA)
0
TEMPERATURE (°C)
Burst Mode
OPERATION
25
100
50
75
1000
V
V
IN
OUT
= 3.3V
100
= 2.5V
3411 G07
3411 G10
10000
125
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
100
90
95
85
0
2
Line Regulation
Effi ciency vs Frequency
0
V
T
OUT
A
= 25°C
= 1.8V
3
1
I
OUT
FREQUENCY (MHz)
= 1.25A
V
IN
4
2
(V)
I
OUT
V
V
I
T
= 400mA
OUT
A
IN
OUT
5
3
= 25°C
= 3.3V
= 500mA
= 2.5V
3411 G08
3411 G11
6
4
–10
120
115
110
105
100
10
–2
–4
–6
–8
95
90
8
6
4
2
0
2.5
2
Frequency vs V
R
V
I
T
T
OUT
DS(ON)
OUT
A
A
= 25°C
= 25°C
= 1.25A
3
= 1.8V
MAIN SWITCH
3
vs V
3.5
IN
SYNCHRONOUS SWITCH
4
V
V
IN
IN
IN
4
(V)
(V)
4.5
5
5
5.5
3411fb
3411 G09
3411 G12
6
6