LT3992IUH Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Lista de partido
LT3992IUH Datasheet PDF : 36 Pages
| |||
LT3992
Absolute Maximum Ratings (Note 1)
VIN1/2, SHDN1/2, CMPO1/2........................................60V
SW1/2.....................................................................VIN1/2
BST1/2.......................................................................75V
BST1/2 Pin Above SW1/2...........................................25V
IND1/2, VOUT1/2..........................................................60V
FB1/2, CMPI1/2, SS1/2.................................................5V
RT/SYNC......................................................................5V
DIV, ILIM1/2..............................................................2.5V
VC1/2, TJ............................................................... ±100µA
Operating Junction Temperature Range (Note 2)
LT3992EUH......................................... –40°C to 125°C
LT3992IUH.......................................... –40°C to 125°C
LT3992EFE.......................................... –40°C to 125°C
LT3992IFE........................................... –40°C to 125°C
LT3992HFE......................................... –40°C to 150°C
Storage Temperature Range................... –65°C to 150°C
Pin Configuration
TOP VIEW
32 31 30 29 28 27 26 25
BST1 1
24 ILIM1
CMPO1 2
CMPI1 3
23 VC1
22 RT/SYNC
FB1 4
FB2 5
CMPI2 6
33
21 CLKOUT
GND
20 TJ
19 DIV
CMPO2 7
BST2 8
18 VC2
17 ILIM2
9 10 11 12 13 14 15 16
UH PACKAGE
32-LEAD (5mm × 5mm) PLASTIC QFN
θJA = 44°C/W, θJC(PAD) = 7.3°C/W
EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
*DO NOT CONNECT
NC 1
IND1 2
NC 3
VOUT1 4
NC 5
BST1 6
CMPO1 7
CMPI1 8
FB1 9
NC 10
FB2 11
CMPI2 12
CMPO2 13
BST2 14
NC 15
VOUT2 16
NC 17
IND2 18
NC 19
TOP VIEW
39
GND
38 SW1
37 NC
36 VIN1
35 SHDN1
34 SS1
33 ILIM1
32 VC1
31 NC
30 RT/SYNC
29 CLKOUT
28 TJ
27 DIV
26 VC2
25 ILIM2
24 SS2
23 SHDN2
22 VIN2
21 NC
20 SW2
FE PACKAGE
38-LEAD PLASTIC TSSOP
θJA = 17.5°C/W, θJC(PAD) = 10°C/W
EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3992EUH#PBF
LT3992IUH#PBF
LT3992EFE#PBF
LT3992IFE#PBF
LT3992HFE#PBF
LT3992EUH#TRPBF
LT3992IUH#TRPBF
LT3992EFE#TRPBF
LT3992IFE#TRPBF
LT3992HFE#TRPBF
3992
3992
LT3992FE
LT3992FE
LT3992FE
32-Lead (5mm × 5mm) Plastic QFN
32-Lead (5mm × 5mm) Plastic QFN
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
3992fa
2
For more information www.linear.com/LT3992
Share Link: 