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LTM4620 Ver la hoja de datos (PDF) - Analog Devices

Número de pieza
componentes Descripción
Fabricante
LTM4620
Dual 13A or Single 26A DC/DC µModule Regulator
ADI
Analog Devices ADI
LTM4620 Datasheet PDF : 40 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
LTM4620
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Output Current,
VIN = 5V
100
95
90
85
80
75
70
1VOUT, f = 400kHz
1.2VOUT, f = 500kHz
65
1.5VOUT, f = 550kHz
1.8VOUT, f = 600kHz
2.5VOUT, f = 750kHz
60
0 1 2 3 4 5 6 7 8 9 10 11 12 13
OUTPUT CURRENT (A)
4620 G01
Dual Phase Single Output
Load Transient Response
Efficiency vs Output Current,
VIN = 12V
95
90
85
80
75
70
1VOUT, f = 400kHz
1.2VOUT, f = 500kHz
65
1.5VOUT, f = 550kHz
1.8VOUT, f = 600kHz
2.5VOUT, f = 750kHz
60
0 1 2 3 4 5 6 7 8 9 10 11 12 13
OUTPUT CURRENT (A)
4620 G02
Single Phase Single Output
Load Transient Response
Dual Phase Single Output Efficiency
vs Output Current, VIN = 12V
95
90
85
80
75
70
1VOUT, f = 400kHz
1.2VOUT, f = 500kHz
65
1.5VOUT, f = 550kHz
1.8VOUT, f = 600kHz
2.5VOUT, f = 750kHz
60
0 2 4 6 8 10 12 14 16 18 20 22 24 26
OUTPUT CURRENT (A)
4620 G03
Single Phase Single Output
Load Transient Response
VOUT
100mV/DIV
VOUT
100mV/DIV
VOUT
100mV/DIV
ILOAD
10A/DIV
50µs/DIV
12VIN, 1.5VOUT AT 26A/µs LOAD STEP
COUT = 4× 470µF, 4V POSCAP AND
2× 100µF, 6.3V CERAMIC
4620 G04
ILOAD
5A/DIV
50µs/DIV
12VIN, 1VOUT AT 13A/µs LOAD STEP
COUT = 2× 470µF, 4V POSCAP AND
1× 100µF, 6.3V CERAMIC
4620 G05
ILOAD
5A/DIV
50µs/DIV
12VIN, 1.2VOUT AT 13A/µs LOAD STEP
COUT = 2× 470µF, 4V POSCAP AND
1× 100µF, 6.3V CERAMIC
4620 G06
Single Phase Single Output
Load Transient Response
VOUT
100mV/DIV
Single Phase Single Output
Load Transient Response
VOUT
100mV/DIV
Single Phase Single Output
Load Transient Response
VOUT
100mV/DIV
ILOAD
5A/DIV
50µs/DIV
12VIN, 1.5VOUT AT 13A/µs LOAD STEP
COUT = 2× 470µF, 4V POSCAP AND
1× 100µF, 6.3V CERAMIC
4620 G07
ILOAD
5A/DIV
50µs/DIV
12VIN, 1.8VOUT AT 13A/µs LOAD STEP
COUT = 2× 470µF, 4V POSCAP AND
1× 100µF, 6.3V CERAMIC
4620 G08
ILOAD
5A/DIV
50µs/DIV
12VIN, 2.5VOUT AT 13A/µs LOAD STEP
COUT = 2× 470µF, 4V POSCAP AND
1× 100µF, 6.3V CERAMIC
4620 G09
4620fc
6
For more information www.linear.com/LTM4620

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