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LTM4656 数据表(PDF) 22 Page - Analog Devices

部件名 LTM4656
功能描述  Synchronous Boost 關Module Regulator with Input-Output Short Protection
PDF  28 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

LTM4656 数据表(HTML) 22 Page - Analog Devices

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LTM4656/LTM4656-1
22
Rev. 0
For more information www.analog.com
Figure 19. 5V Input to 12VOUT at 3.25A Design
TYPICAL APPLICATIONS
Figure 20. 5V Input to 24VOUT at 1.35A Design
INTVCC
INTVCC
R4
24.3k
4.7µF
0.1µF
41.2k
4.75V
TURN ON
60.4k
5k
5A
10µF
10µF
100µF
×2
22µF
100µF
VIN
INTVCC
PGOOD
VOUT
SS
UV
FREQ
MODE_PLLIN
PGND
VFB
SHDN
FLT
BVIN
VBIAS
TEMP+
TEMP
LTM4656
TO TEMP MONITOR
12V AT 3.25A
10µF
FAULT
5V
25V
16V
16V
16V
16V
16V
5V PROTECTED
5V PROTECTED
4656 F19
PINS UNUSED IN THIS APPLICATION:
TMR, RUN, COMP, SENSE1, SW
INTVCC
INTVCC
R4
11.5k
4.7µF
0.1µF
41.2k
60.4k
5k
100µF
×2
150µF
22µF
VIN
INTVCC
PGOOD
VOUT
SS
UV
FREQ
MODE_PLLIN
PGND
VFB
SHDN
FLT
BVIN
VBIAS
TEMP+
TEMP
LTM4656
TO TEMP MONITOR
24V AT 1.35A
10µF
5V PROTECTED
FAULT
5V
35V
35V
35V
16V
16V
5V PROTECTED
100µF
×2
4656 F20a
PINS UNUSED IN THIS APPLICATION:
TMR, RUN, COMP, SENSE1, SW
5A
4.75V
TURN ON
200ms/DIV
VIN
5V/DIV
VOUT
10V/DIV
IIN
5A/DIV*
4656 F20b
*25mV SENSE IN FOLDBACK
TIMER (218 s)
TIMER PIN
1V/DIV
5ms/DIV
VIN
5V/DIV
VOUT
10V/DIV
TCOOL
(~35ms)
4656 F20c
TIMER PIN 1V/DIV
Short Circuit Trip
Retry Cycle



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