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LT3758 Datasheet(PDF) 5 Page - Analog Devices

Part # LT3758
Description  60V Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum
PDF  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT3758 Datasheet(HTML) 5 Page - Analog Devices

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LT8392
5
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Load Current
(Buck Region)
Efficiency vs Load Current
(Buck-Boost Region)
Efficiency vs Load Current
(Boost Region)
TA = 25°C, unless otherwise noted.
Switching Waveforms
(Buck Region)
Switching Waveforms
(Buck-Boost Region)
Switching Waveforms
(Boost Region)
VOUT vs IOUT (CV/CC)
VIN Shutdown Current
VIN Operating Current
FRONT PAGE APPLICATION
VIN = 18V, VOUT = 12V, fSW = 200kHz
LOAD CURRENT (A)
0
1
2
3
4
5
6
7
8
40
50
60
70
80
90
100
8392 G01
FRONT PAGE APPLICATION
VIN = 12V, VOUT = 12V, fSW = 200kHz
LOAD CURRENT (A)
0
1
2
3
4
5
6
7
8
40
50
60
70
80
90
100
8392 G02
FRONT PAGE APPLICATION
VIN = 5V, VOUT = 12V, fSW = 200kHz
LOAD CURRENT (A)
0
1
2
3
4
5
6
7
8
40
50
60
70
80
90
100
8392 G03
FRONT PAGE APPLICATION
VIN = 8V, IOUT = 6A
VSW1
10V/DIV
VSW2
10V/DIV
IL
2A/DIV
VOUT
500mV/DIV
8392 G04
FRONT PAGE APPLICATION
VIN = 12V, IOUT = 6A
VSW1
10V/DIV
VSW2
10V/DIV
IL
2A/DIV
VOUT
500mV/DIV
8392 G05
FRONT PAGE APPLICATION
VIN = 18V, IOUT = 6A
VSW1
10V/DIV
VSW2
10V/DIV
IL
2A/DIV
VOUT
500mV/DIV
8392 G06
LOAD CURRENT (A)
0
2
4
6
8
10
12
0
2
4
6
8
10
12
14
8392 G07
VIN = 4V
VIN = 12V
VIN = 60V
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0
0.5
1.0
1.5
2.0
2.5
3.0
8392 G08
EXTVCC = 0V
VIN = 12V
VIN = 4V
VIN = 60V
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
1.8
2.0
2.2
2.4
2.6
2.8
8392 G09



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