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LT8640 Datasheet(PDF) 8 Page - Analog Devices

Part # LT8640
Description  18V, 10A Synchronous Step-Down Silent Switcher
PDF  26 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8640 Datasheet(HTML) 8 Page - Analog Devices

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LT8642-1
8
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Start-Up Dropout Performance
Start-Up Dropout Performance
Transient Response; Load Current
Stepped from 2A to 7A
Transient Response; Load Current
Stepped from 100mA to 5.1A
1Ω LOAD
(5A IN REGULATION)
VOUT
VIN
100ms/DIV
VIN
2V/DIV
VOUT
2V/DIV
86421 G36
20Ω LOAD
(250mA IN REGULATION)
VOUT
VIN
100ms/DIV
VIN
2V/DIV
VOUT
2V/DIV
86421 G37
FRONT PAGE APPLICATION
2A TO 7A TRANSIENT
VIN = 12V, VOUT = 1.2V, fSW = 2MHz
CC = 150pF, RC = 11k
COUT = 2 x 220µF, CLEAD = 47pF
20µs/DIV
ILOAD
5A/DIV
VOUT
50mV/DIV
86421 G34
FRONT PAGE APPLICATION
100mA TO 5.1A TRANSIENT
VIN = 12V, VOUT = 1.2V, fSW = 2MHz
CC = 150pF, RC = 11k
COUT = 2 x 220µF, CLEAD = 47pF
Burst Mode OPERATION
FCM
50µs/DIV
ILOAD
5A/DIV
VOUT
50mV/DIV
86421 G35



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