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LTM8080 Datasheet(PDF) 10 Page - Analog Devices

Part # LTM8080
Description  16VIN, 12A Ultralow Noise Silent Switcher 3 μModule Regulator
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTM8080 Datasheet(HTML) 10 Page - Analog Devices

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LTM4703
10
Rev. 0
For more information www.analog.com
Start-Up Time with and without
Fast Start-Up Circuitry (Large CSET)
Integrated RMS Output Noise
(10Hz to 100kHz) vs Load
Integrated RMS Output Noise
(10Hz to 100kHz) vs VIN
WITH FAST START-UP
WITHOUT FAST START-UP
VIN = SVIN = 5V, RSET = 10k, CSET = 4.7µF
fSW = 2MHz
RL = 1Ω
50ms/DIV
VOUT
250mV/DIV
RUN
2V/DIV
4703 G45
fSW = 2MHz, VIN = 12V
LOAD CURRENT (A)
1
2
3
4
5
6
7
8
0
2
4
6
8
10
12
14
16
4703 G46
VOUT = 1V,
fSW = 2MHz,
ILOAD = 2A
VIN (V)
2
3
4
5
6
7
8
9 10 11 12
0
2
4
6
8
10
12
14
16
4703 G47
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.
Noise Spectral Density vs CSET
Noise Spectral Density vs Load
Power Supply Ripple Rejection
fSW = 2MHz, VOUT = 1V,
ILOAD = 2A, VIN = 12V
CSET = 100nF
CSET = 1µF
CSET = 4.7µF
CSET = 10µF
FREQUENCY (Hz)
10
100
1k
10k
100k
1M
1
10
100
1000
4703 G48
fSW = 2MHz, VOUT = 1V
VIN = 12V
ILOAD = 0A
ILOAD = 2A
ILOAD = 8A
FREQUENCY (Hz)
10
100
1k
10k
100k
1M
1
10
100
1000
4703 G49
PVIN = 10V, VOUT = 1V
fSW = 1MHz, ILOAD = 0A
fSW = 1MHz, ILOAD = 8A
fSW = 2MHz, ILOAD = 0A
fSW = 2MHz, ILOAD = 8A
FREQUENCY (Hz)
100
1k
10k
100k 400k
10
20
30
40
50
60
70
80
90
100
4703 G50
CISPR32 Radiated Emission Test with Class B 10m
EVAL-LTM4703-AZ EVALUATION BOARD
VIN = 12V, VOUT = 1V, IOUT = 12A, fSW = 400kHz
CISPR 32 CLASS B LIMIT
WITH INPUT FILTER
FREQUENCY (MHz)
0
100
200
300
400
500
600
700
800
900
1000
–20
–10
0
10
20
30
40
50
60
4703 G53



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