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LTM4624 Datasheet(PDF) 4 Page - Linear Technology

Part # LTM4624
Description  14VIN, 4A Step-Down DC/DC 關Module Regulator
PDF  26 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4624 Datasheet(HTML) 4 Page - Linear Technology

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LTM4624
4
4624fd
For more information www.linear.com/LTM4624
TYPICAL PERFORMANCE CHARACTERISTICS
1V Output Transient Response
3.3V Output Transient Response
1.5V Output Transient Response
5V Output Transient Response
2.5V Output Transient Response
Efficiency vs Load Current
with 5VIN
Efficiency vs Load Current
with 12VIN
DCM Mode Efficiency, VOUT = 1.5V
LOAD CURRENT (A)
0
80
85
90
4
4624 G01
75
70
50
1
2
3
55
60
65
100
95
VOUT = 3.3V
VOUT = 2.5V
VOUT = 1.5V
VOUT = 1.2V
VOUT = 1V
LOAD CURRENT (A)
0
80
85
90
4
4624 G02
75
70
50
1
2
3
55
60
65
100
95
VOUT = 5V
VOUT = 3.3V
VOUT = 2.5V
VOUT = 1.5V
VOUT = 1.2V
VOUT = 1V
LOAD CURRENT (A)
30
90
100
20
10
80
50
70
60
40
0.001
0.1
1
10
4624 G03
0
0.01
VIN = 5V
VIN = 12V
VOUT
50mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
VIN = 12V
VOUT = 1V
IOUT = 3A TO 4A, 1A/µs
OUTPUT CAPACITOR = 1
× 47µF CERAMIC
20µs/DIV
4624 G04
VOUT
50mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
VIN = 12V
VOUT = 1.5V
IOUT = 3A TO 4A, 1A/µs
OUTPUT CAPACITOR = 1
× 47µF CERAMIC
20µs/DIV
4624 G05
VOUT
50mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
VIN = 12V
VOUT = 2.5V
IOUT = 3A TO 4A, 1A/µs
OUTPUT CAPACITOR = 1
× 47µF CERAMIC
20µs/DIV
4624 G06
VOUT
50mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
VIN = 12V
VOUT = 3.3V
IOUT = 3A TO 4A, 1A/µs
OUTPUT CAPACITOR = 1
× 47µF CERAMIC
20µs/DIV
4624 G07
VOUT
50mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
VIN = 12V
VOUT = 5V
IOUT = 3A TO 4A, 1A/µs
OUTPUT CAPACITOR = 1
× 47µF CERAMIC
20µs/DIV
4624 G08



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