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LTM4650 データシート(PDF) 5 Page - Analog Devices

部品番号 LTM4650
部品情報  Dual 25A or Single 50A μModule Regulator with Active Voltage Positioning
PDF  36 Pages
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
Logo AD - Analog Devices

LTM4650 データシート(HTML) 5 Page - Analog Devices

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LTM4650-2
5
Rev. 0
For more information www.analog.com
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
46502 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
46502 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
46502 G03
1.5VOUT, 600kHz
1.8VOUT, 600kHz
1.2VOUT, 500kHz
1.0VOUT, 500kHz
0.8VOUT, 400kHz
1.5V Dual-Phase Single Output
Load Transient Response
1.8V Dual-Phase Single Output
Load Transient Response
Single-Phase Start-Up with No
load
20ms/DIV
VSW
10V/DIV
VOUT
0.5V/DIV
IIN
0.2A/DIV
46502 G09
12VIN, 1.2VOUT, 500kHz
COUT = 470µF ×1 POSCAP + 100µF ×2
CERAMIC, CSS = 0.1µF
Burst Mode and Pulse-Skipping
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
46502 G04
PULSE-SKIP MODE
Burst Mode OPERATION
CCM
50µs/DIV
VOUT(AC)
20mV/DIV
LOAD
STEP
10A/DIV
46502 G05
12VIN, 1VOUT, 500kHz, 12.5A LOAD STEP,
10A/µs STEP-UP AND STEP-DOWN
COUT = 220µF ×6 CERAMIC
CFF = 68pF
50µs/DIV
VOUT(AC)
20mV/DIV
LOAD
STEP
10A/DIV
46502 G06
12VIN, 1.2VOUT, 500kHz, 12.5A LOAD STEP,
10A/µs STEP-UP AND STEP-DOWN
COUT = 220µF ×6 CERAMIC
CFF = 68pF
50µs/DIV
VOUT(AC)
20mV/DIV
LOAD
STEP
10A/DIV
46502 G07
12VIN, 1.5VOUT, 600kHz, 12.5A LOAD STEP,
10A/µs STEP-UP AND STEP-DOWN
COUT = 220µF ×6 CERAMIC
CFF = 68pF
50µs/DIV
VOUT(AC)
20mV/DIV
LOAD
STEP
10A/DIV
46502 G08
12VIN, 1.8VOUT, 600kHz, 12.5A LOAD STEP,
10A/µs STEP-UP AND STEP-DOWN
COUT = 220µF ×6 CERAMIC
CFF = 68pF



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