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LT8645SEVPBF Datasheet(PDF) 2 Page - Analog Devices

No. de pieza LT8645SEVPBF
Descripción Electrónicos  65V, 8A Synchronous Step-Down Silent Switcher 2 with 2.5μA Quiescent Current
PDF  30 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
Logo AD - Analog Devices

LT8645SEVPBF Datasheet(HTML) 2 Page - Analog Devices

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LT8645S/LT8646S
2
Rev. B
For more information www.analog.com
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VIN, EN/UV................................................................65V
PG.............................................................................42V
BIAS..........................................................................25V
FB, TR/SS . .................................................................4V
SYNC/MODE Voltage . ................................................6V
(Note 1)
LT8645S
LT8646S
LQFN PACKAGE
32-LEAD (6mm × 4mm × 0.94mm)
JEDEC BOARD: θJA = 30°C/W, ΨJT = 0.6°C/W,
θJCTOP = 28.5°C/W, θJC(PAD) = 4.4°C/W (NOTE 3)
DEMO BOARD: θJA = 17°C/W
EXPOSED PADS (PINS 33-38) ARE GND, SHOULD BE SOLDERED TO PCB
TOP VIEW
11 12 13 14 15 16
32
31 30 29 28 27
21
17
18
19
20
26
22
23
24
25
6
10
9
8
7
1
5
4
3
2
VIN
GND
GND
GND
NC
BIAS
VIN
VIN
NC
INTVCC
VIN
GND
GND
GND
NC
RT
VIN
VIN
NC
EN/UV
33
GND
34
GND
35
GND
36
GND
37
GND
38
GND
LQFN PACKAGE
32-LEAD (6mm × 4mm × 0.94mm)
JEDEC BOARD: θJA = 30°C/W, ΨJT = 0.6°C/W,
θJCTOP = 28.5°C/W, θJC(PAD) = 4.4°C/W (NOTE 3)
DEMO BOARD: θJA = 17°C/W
EXPOSED PADS (PINS 33-38) ARE GND, SHOULD BE SOLDERED TO PCB
TOP VIEW
11 12 13 14 15 16
32
31 30 29 28 27
21
17
18
19
20
26
22
23
24
25
6
10
9
8
7
1
5
4
3
2
VIN
GND
GND
GND
NC
BIAS
VIN
VIN
NC
INTVCC
VIN
GND
GND
GND
NC
RT
VIN
VIN
NC
EN/UV
33
GND
34
GND
35
GND
36
GND
37
GND
38
GND
Operating Junction Temperature Range (Note 2)
LT8645SE/LT8646SE......................... –40°C to 125°C
LT8645SI/LT8646SI........................... –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Maximum Reflow (Package Body) Temperature ...260°C



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