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LTM4645 Datasheet(PDF) 6 Page - Linear Technology

Part # LTM4645
Description  Dual 10A or Single 20A 關Module Regulator
PDF  34 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4645 Datasheet(HTML) 6 Page - Linear Technology

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LTM4646
6
4646f
For more information www.linear.com/LTM4646
TYPICAL PERFORMANCE CHARACTERISTICS
0.9V Single Phase Single Output
Load Transient Response
1V Single Phase Single Output
Load Transient Response
1.2V Single Phase Single Output
Load Transient Response
1.5V Single Phase Single Output
Load Transient Response
1.8V Single Phase Single Output
Load Transient Response
Efficiency vs Output Current,
VIN = 5V
Efficiency vs Output Current,
VIN = 8V
Dual Phase Single Output Efficiency
vs Output Current, VIN = 12V
Efficiency vs Output Current,
VIN = 12V
5.0VOUT, 1.3MHz
3.3VOUT, 1.1MHz
2.5VOUT, 850kHz
1.8VOUT, 700kHz
1.5VOUT, 600kHz
1.2VOUT, 500kHz
1.0VOUT, 400kHz
0.9VOUT, 400kHz
OUTPUT CURRENT (A)
2
4
6
8
10 12 14 16 18 20
70
75
80
85
90
95
100
4646 G04
EXTVCC = 5V
50µs/DIV
IOUT
5A/DIV
0.9VOUT
33mV/DIV
4646 G05
COUT = 470µF POSCAP, 5mΩ,
100µF ×4, CERAMIC
CCOMP = 100pF,
f = 350kHz
50µs/DIV
IOUT
5A/DIV
1VOUT
33mV/DIV
4646 G06
COUT = 470µF POSCAP, 5mΩ,
100µF ×4, CERAMIC
CCOMP = 100pF,
f = 350kHz
50µs/DIV
IOUT
5A/DIV
1.2VOUT
33mV/DIV
4646 G07
COUT = 470µF POSCAP, 5mΩ,
100µF ×4, CERAMIC
CCOMP = 100pF,
f = 350kHz
50µs/DIV
IOUT
5A/DIV
1.8VOUT
33mV/DIV
4646 G09
COUT = 100µF ×3, CERAMIC
CCOMP = 100pF, CFF = 47pF
f = 500kHz
50µs/DIV
IOUT
5A/DIV
1.5VOUT
33mV/DIV
4646 G08
COUT = 100µF ×3, CERAMIC
CCOMP = 100pF, CFF = 47pF
f = 450kHz
50µs/DIV
IOUT
5A/DIV
1.5VOUT
33mV/DIV
4646 G08
COUT = 100µF ×3, CERAMIC
CCOMP = 100pF, CFF = 47pF
f = 450kHz
OUTPUT CURRENT (A)
1
2
3
4
5
6
7
8
9
10
70
75
80
85
90
95
100
4646 G01
3.3VOUT, 550kHz
2.5VOUT, 550kHz
1.8VOUT, 500kHz
1.5VOUT, 450kHz
1.2VOUT, 400kHz
1.0VOUT, 350kHz
0.9VOUT, 350kHz
5.0VOUT, 900kHz
3.3VOUT, 850kHz
2.5VOUT, 750kHz
1.8VOUT, 600kHz
1.5VOUT, 550kHz
1.2VOUT, 475kHz
1.0VOUT, 400kHz
0.9VOUT, 400kHz
OUTPUT CURRENT (A)
1
2
3
4
5
6
7
8
9
10
70
75
80
85
90
95
100
4646 G02
5.0VOUT, 1.3MHz
3.3VOUT, 1.1MHz
2.5VOUT, 850kHz
1.8VOUT, 700kHz
1.5VOUT, 600kHz
1.2VOUT, 500kHz
1.0VOUT, 400kHz
0.9VOUT, 400kHz
OUTPUT CURRENT (A)
1
2
3
4
5
6
7
8
9
10
70
75
80
85
90
95
100
4646 G03



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