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LTC3404MPMS8 датащи(PDF) 5 Page - Linear Technology

номер детали LTC3404MPMS8
подробное описание детали  1.4MHz High Efficiency Monolithic Synchronous Step-Down Regulator
PDF  16 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC3404MPMS8 датащи(HTML) 5 Page - Linear Technology

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5
LTC3404
3404fb
TYPICAL PERFOR A CE CHARACTERISTICS
Switch Leakage vs Temperature
TEMPERATURE (
°C)
–50
25
3404 G13
2.0
1.0
–25
0
50
0.5
0
2.5
1.5
75
100
125
MAIN
SWITCH
VIN = 7V
RUN = 0V
SYNCHRONOUS
SWITCH
Burst Mode Operation
Switch Leakage vs Input Voltage
INPUT VOLTAGE (V)
0
0
0.2
0.4
0.6
0.8
24
6
8
3404 G20
1.0
1.2
13
5
7
SYNCHRONOUS
SWITCH
MAIN
SWITCH
RUN = 0V
Pulse Skipping Mode Operation
Start-Up from Shutdown
DC Supply Current
vs Temperature
TEMPERATURE (
°C)
–50
300
350
400
450
250
200
150
100
50
0
25
75
3404 G12
–25
0
50
125
100
PULSE SKIPPING
MODE
Burst Mode
OPERATION
VIN = 3.6V
VOUT = 1.5V
10
μs/DIV
VIN = 4.2V
VOUT = 1.5V
L = 4.7
μH
CIN = 10μF
COUT = 22μF
ILOAD = 30mA
SW
5V/DIV
IL
200mA/DIV
VOUT
50mV/DIV
AC
COUPLED
3404 G14
500ns/DIV
VIN = 4.2V
VOUT = 1.5V
L = 4.7
μH
CIN = 10μF
COUT = 22μF
ILOAD = 30mA
SW
5V/DIV
IL
100mA/DIV
VOUT
10mV/DIV
3404 G15
40
μs/DIV
VIN = 3.6V
VOUT = 1.5V
L = 4.7
μH
CIN = 10μF
COUT = 22μF
ILOAD = 500mA
RUN
2V/DIV
IL
500mA/DIV
VOUT
1V/DIV
3404 G16
INPUT VOLTAGE (V)
1
0
0.5
0.6
0.7
5678
3404 G09
0.4
0.3
0
0.1
2
3
4
0.2
0.9
0.8
SYNCHRONOUS
SWITCH
MAIN
SWITCH
RDS(ON) vs Input Voltage
RDS(ON) vs Temperature
DC Supply Current
vs Input Voltage
TEMPERATURE (
°C)
–50
–25
0.3
0.4
0.6
0.7
0.8
75
100
1.2
3404 G10
0.5
0
25
50
125
0.9
1.0
1.1
VIN = 3V
VIN = 5V
SYNCHRONOUS SWITCH
MAIN SWITCH
INPUT VOLTAGE (V)
0
200
500
2
4
5
3404 G11
100
400
300
250
150
50
450
350
3
6
78
VOUT = 1.8V
PULSE SKIPPING
MODE
Burst Mode
OPERATION



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