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LTM4628 Datasheet(PDF) 6 Page - Linear Technology

Part # LTM4628
Description  Dual 25A or Single 50A DC/DC 關Module Regulator
PDF  34 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4628 Datasheet(HTML) 6 Page - Linear Technology

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LTM4650
6
4650fb
For more information www.linear.com/LTM4650
Burst Mode and Pulse-Skip Mode
Efficiency VIN=12V, VOUT = 1.2V,
fS = 500kHz
1V Dual Phase Single Output
Load Transient Response
1.2V Dual Phase Single Output
Load Transient Response
LOAD CURRENT (A)
0.01
0
10
20
30
90
80
70
60
50
40
100
1
10
0.1
4650 G04
PULSE-SKIP MODE
Burst Mode OPERATION
CCM
50µs/DIV
VOUT(AC)
20mV/DIV
LOAD
STEP
10A/DIV
4650 G05
12VIN, 1VOUT, 500kHz, 12.5A LOAD STEP,
10A/µs STEP-UP AND STEP-DOWN
COUT = 8× 220µF CERAMIC
CFF = 470pF
50µs/DIV
VOUT(AC)
20mV/DIV
LOAD
STEP
10A/DIV
4650 G06
12VIN, 1.2VOUT, 500kHz, 12.5A LOAD STEP,
10A/µs STEP-UP AND STEP-DOWN
COUT = 8× 220µF CERAMIC
CFF = 470pF
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Output Current,
VIN = 5V
Efficiency vs Output Current,
VIN = 12V
Dual Phase Single Output Efficiency
vs Output Current, VIN = 12V,
fS = 500kHz
LOAD CURRENT (A)
0
5
10
15
20
25
65
70
75
80
85
90
95
4650 G01
1.5VOUT, 600kHz
1.8VOUT, 600kHz
1.2VOUT, 500kHz
1.0VOUT, 500kHz
0.8VOUT, 400kHz
LOAD CURRENT (A)
0
5
10
15
20
25
65
70
75
80
85
90
95
4650 G02
1.5VOUT, 600kHz
1.8VOUT, 600kHz
1.2VOUT, 500kHz
1.0VOUT, 500kHz
0.8VOUT, 400kHz
LOAD CURRENT (A)
0
65
90
85
80
75
70
95
20
30
40
50
10
4650 G03
1.5VOUT, 600kHz
1.8VOUT, 600kHz
1.2VOUT, 500kHz
1.0VOUT, 500kHz
0.8VOUT, 400kHz



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