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LTC3412 Datasheet(PDF) 4 Page - Analog Devices

Part # LTC3412
Description  2.5A, 4MHz, Monolithic Synchronous Step-Down Regulator
PDF  22 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC3412 Datasheet(HTML) 4 Page - Analog Devices

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LTC3412
4
3412fc
For more information www.linear.com/LTC3412
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Load Current
Efficiency vs Load Current
Efficiency vs Load Current
LOAD CURRENT (A)
0.001
100
80
60
40
20
0
10
3412 G01
VIN = 3.3V
VOUT = 2.5V
Burst Mode OPERATION
FORCED CONTINUOUS
0.1
1
0.01
100
90
80
70
60
50
40
30
20
10
0
LOAD CURRENT (A)
0.001
10
3412 G02
VOUT = 2.5V
1MHz
Burst Mode OPERATION
0.1
1
0.01
VIN = 3.3V
VIN = 5V
LOAD CURRENT (A)
0.001
100
90
80
70
60
50
40
30
20
10
0
10
3412 G03
VOUT = 2.5V
1MHz
FORCED CONTINUOUS
0.1
1
0.01
VIN = 3.3V
VIN = 5V
Efficiency vs Frequency
Efficiency vs Input Voltage
Load Regulation
Load Step Transient Forced
Continuous
Burst Mode Operation
Load Step Transient Burst Mode
Operation
INPUT VOLTAGE (V)
2.55
3.05
3.55
4.05
4.55
5.05
98
96
94
92
90
88
86
3412 G04
VOUT = 2.5V
1MHz
Burst Mode OPERATION
LOAD = 100mA
LOAD = 1A
LOAD = 2.5A
FREQUENCY (kHz)
300 800 1300 1800 2300 2800 3300 3800
97
96
95
94
93
92
91
3412 G05
VIN = 3.3V
VOUT = 2.5V
LOAD = 1A
Burst Mode OPERATION
1µH
0.47µH
2.2µH
LOAD CURRENT (A)
0
0.5
1
1.5
2
2.5
0.02
0.00
–0.02
–0.04
–0.06
–0.08
–0.10
–0.12
–0.14
–0.16
–0.18
3412 G06
VIN = 3.3V
VOUT = 2.5V
4µs/DIV
3412 G07
20µs/DIV
3412 G08
20µs/DIV
3412 G09



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