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LTM4650 Datasheet(PDF) 6 Page - Linear Technology

Part # LTM4650
Description  Dual 25A or Single 50A 關Module Regulator with 0.8% DC and 3% Transient Accuracy
PDF  36 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4650 Datasheet(HTML) 6 Page - Linear Technology

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LTM4650-1
6
46501fc
For more information www.linear.com/LTM4650-1
Typical perForMance characTerisTics
Single Phase Short Circuit
Protection with 25A
Single Phase Start-up with 25A
Single Phase Short Circuit
Protection with No load
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
46501 G09
12VIN, 1.2VOUT, 500kHz
COUT = 1× 470µF POSCAP + 2× 100µF
CERAMIC, CSS = 0.1µF
50s/DIV
VSW
10V/Div
VOUT
0.5V/Div
IIN
1A/Div
46501 G10
12VIN, 1.2VOUT, 500kHz
COUT = 1× 470µF POSCAP + 2× 100µF
CERAMIC, CSS = 0.1µF
20ms/DIV
VSW
10V/Div
VOUT
0.5V/Div
IIN
1A/Div
46501 G11
12VIN, 1.2VOUT, 500kHz
COUT = 1× 470µF POSCAP + 2× 100µF
CERAMIC, CSS = 0.1F
50µs/DIV
VSW
10V/Div
VOUT
0.5V/Div
IIN
2A/Div
46501 G12
12VIN, 1.2VOUT, 500kHz
COUT = 1× 470µF POSCAP + 2× 100µF
CERAMIC
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
46501 G04
PULSE-SKIP MODE
Burst Mode OPERATION
CCM
50µs/DIV
VOUT(AC)
20mV/DIV
LOAD
STEP
10A/DIV
46501 G05
12VIN, 1VOUT, 500kHz, 12.5A LOAD STEP,
10A/µs STEP-UP AND STEP-DOWN
COUT = 6× 220µF CERAMIC
CFF = 68pF
50µs/DIV
VOUT(AC)
20mV/DIV
LOAD
STEP
10A/DIV
46501 G06
12VIN, 1.2VOUT, 500kHz, 12.5A LOAD STEP,
10A/µs STEP-UP AND STEP-DOWN
COUT = 6× 220µF CERAMIC
CFF = 68pF
50µs/DIV
VOUT(AC)
20mV/DIV
LOAD
STEP
10A/DIV
46501 G07
12VIN, 1.5VOUT, 600kHz, 12.5A LOAD STEP,
10A/µs STEP-UP AND STEP-DOWN
COUT = 6× 220µF CERAMIC
CFF = 68pF
50µs/DIV
VOUT(AC)
20mV/DIV
LOAD
STEP
10A/DIV
46501 G08
12VIN, 1.8VOUT, 600kHz, 12.5A LOAD STEP,
10A/µs STEP-UP AND STEP-DOWN
COUT = 6× 220µF CERAMIC
CFF = 68pF



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