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Número de pieza
componentes Descripción
LTM4615(RevB) Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTM4615
(Rev.:RevB)
Triple Output, Low Voltage DC/DC µModule Regulator
Linear Technology
LTM4615 Datasheet PDF : 24 Pages
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LTM4615
Typical Performance Characteristics
Start-Up
Start-Up
V
FB
vs Temperature
806
V
OUT
1V/DIV
I
IN
1A/DIV
V
OUT
1V/DIV
I
IN
1A/DIV
V
IN
= 5V
V
OUT
= 2.5V
C
OUT
= 100µF
200µs/DIV
NO LOAD
(0.01µF SOFT-START CAPACITOR)
4615 G10
V
IN
= 5V
V
OUT
= 2.5V
C
OUT
= 100µF
4A LOAD
200µs/DIV
(0.01µF SOFT-START CAPACITOR)
4615 G11
804
802
800
798
796
794
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4615 G12
Current Limit
1.6
1.4
1.2
1.0
0.8
0.6
0.4 V
OUT
= 1.5V
V
IN
= 5V
0.2
V
IN
= 3.3V
V
IN
= 2.5V
0
3
4
5
6
7
8
OUTPUT CURRENT (A)
4615 G13
VLDO
V
FB3
vs Temperature
404
403
402
401
1mA
400
399
1.5A
398
397
396
–50 –25
V
BOOST3
= 5V
V
LDO_IN
= 1.5V
V
LDO_OUT
=1.2V
0 25 50 75
TEMPERATURE (°C)
100 125
4615 G16
Short-Circuit Protection
1.5V Short, No Load
V
OUT
0.5V/DIV
I
IN
1A/DIV
20µs/DIV
4615 G14
Dropout Voltage vs Input Voltage
200
180
V
FB3
= 0.38V
I
LDO_OUT
=1.5A
160
140
120
100
80
60
40
20
0
1.2 1.4
1.6 1.8 2.0
–40°C
25°C
85°C
125°C
2.2 2.4 2.6
V
LDO_IN
(V)
4615 G17
Short-Circuit Protection
1.5V Short, 4A Load
V
OUT
0.5V/DIV
I
IN
1A/DIV
100µs/DIV
4615 G15
Ripple Rejection
60
10kHz
50
1MHz
40
100kHz
30
20
10
0
1.2 1.4
V
BOOST3
= 5V
V
LDO_OUT
=1.2V
I
OUT
= 800mA
C
OUT
= 10µF
1.6 1.8 2.0 2.2
V
LDO_IN
(V)
2.4 2.6
4615 G18
4615fb
6
For more information
www.linear.com/LTM4615
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