LTM4625(RevC) Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
Fabricante
LTM4625 Datasheet PDF : 26 Pages
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LTM4625
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Load Current
from 5VIN
100
95
90
85
80
75
70
3.3VOUT
1.8VOUT
2.5VOUT
1.5VOUT
1.2VOUT
1VOUT
65
0
1
2
3
4
5
LOAD CURRENT (A)
4625 G01
1V Output Transient Response
Efficiency vs Load Current
from 12VIN
95
90
85
80
75
70
5VOUT
3.3VOUT
65
2.5VOUT
1.5VOUT
1.8VOUT
1.2VOUT
1VOUT
60
0
1
2
3
4
5
LOAD CURRENT (A)
4625 G02
1.5V Output Transient Response
DCM Mode Efficiency, VOUT = 1.5V
100
90
VIN = 5V
80
70
VIN = 12V
60
50
40
30
20
10
0
0.001
0.01
0.1
1
10
LOAD CURRENT (A)
4625 G03
2.5V Output Transient Response
VOUT
50mV/DIV
AC-COUPLED
VOUT
50mV/DIV
AC-COUPLED
VOUT
50mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
LOAD STEP
1A/DIV
LOAD STEP
1A/DIV
VIN = 12V
20µs/DIV
VOUT = 1V
IOUT = 4A TO 5A, 1A/µs
OUTPUT CAPACITOR = 47µF CERAMIC
4625 G04
VIN = 12V
20µs/DIV
VOUT = 1.5V
IOUT = 4A TO 5A, 1A/µs
OUTPUT CAPACITOR = 47µF CERAMIC
4625 G05
VIN = 12V
20µs/DIV
VOUT = 2.5V
IOUT = 4A TO 5A, 1A/µs
OUTPUT CAPACITOR = 47µF CERAMIC
4625 G06
3.3V Output Transient Response
5V Output Transient Response
VOUT
50mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
VIN = 12V
20µs/DIV
VOUT = 3.3V
IOUT = 4A TO 5A, 1A/µs
OUTPUT CAPACITOR = 47µF CERAMIC
4625 G07
VOUT
50mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
VIN = 12V
20µs/DIV
VOUT = 5V
IOUT = 4A TO 5A, 1A/µs
OUTPUT CAPACITOR = 47µF CERAMIC
4625 G08
Rev C
4
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