LT3959 Просмотр технического описания (PDF) - Linear Technology
Номер в каталоге
Компоненты Описание
производитель
LT3959 Datasheet PDF : 26 Pages
| |||
LT3959
Absolute Maximum Ratings (Note 1)
VIN.............................................................................40V
EN/UVLO (Note 2)......................................................40V
DRIVE........................................................................40V
PGOOD.......................................................................40V
SW.............................................................................40V
INTVCC.........................................................................8V
SYNC...........................................................................8V
VC, SS..........................................................................3V
RT............................................................................. 1.5V
GND, GNDK to SGND..............................................±0.3V
FBX.................................................................. –3V to 3V
Operating Junction Temperature Range (Note 3)
LT3959E/LT3959I............................... –40°C to 125°C
Storage Temperature Range................... –65°C to 125°C
Pin Configuration
TOP VIEW
36 35 34 33 32 31 30
NC 1
NC 2
NC 3
SGND 4
37
SGND
NC 6
28 DRIVE
27 VIN
25 EN/UVLO
24 SGND
23 NC
SW 8
SW 9
NC 10
38
SW
12 13 14 15 16 17
21 SW
20 SW
UHEMA PACKAGE
36-LEAD (5mm × 6mm) PLASTIC QFN
TJMAX =125°C, θJA = 42°C/W, θJC = 3°C/W
EXPOSED PAD (PIN 37) IS SGND, MUST BE SOLDERED TO SGND PLANE
EXPOSED PAD (PIN 38) IS SW, MUST BE SOLDERED TO SW PLANE
TOP VIEW
NC 1
NC 2
NC 3
VC 4
FBX 5
SS 6
RT 7
SYNC 8
PGOOD 9
SGND 10
NC 11
SW 12
NC 13
NC 14
SW 15
NC 16
GNDK 17
GND 18
GND 19
39
SGND
40
SW
38 NC
37 NC
36 NC
35 NC
34 EN/UVLO
33 VIN
32 DRIVE
31 INTVCC
30 NC
29 SGND
28 NC
27 SW
26 NC
25 NC
24 SW
23 NC
22 GND
21 GND
20 GND
FE PACKAGE
38-LEAD PLASTIC TSSOP
TJMAX =125°C, θJA = 42°C/W, θJC = 3°C/W
EXPOSED PAD (PIN 39) IS SGND, MUST BE SOLDERED TO SGND PLANE
EXPOSED PAD (PIN 40) IS SW, MUST BE SOLDERED TO SW PLANE
3959fa
2
For more information www.linear.com/LT3959
Share Link: 