参数资料
型号: LT3694-1IUFD#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 2.6 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PQCC28
封装: 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-28
文件页数: 12/28页
文件大小: 276K
代理商: LT3694-1IUFD#TRPBF
LT3694/LT3694-1
2
36941fa
ABSOLUTE MAXIMUM RATINGS
VIN, EN/UVLO (Note 6)............................... –0.3V to 70V
BST ...........................................................................55V
BST Above SW..........................................................25V
PGOOD......................................................................16V
TRK/SS, VC, FB, RT, SYNC Pins...................................6V
BIAS, LIM2, LIM3 Pins ...............................................7V
(Note 1)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3694EUFD#PBF
LT3694EUFD#TRPBF
3694
28-Lead (4mm
× 5mm) Plastic QFN
–40°C to 125°C
LT3694IUFD#PBF
LT3694IUFD#TRPBF
3694
28-Lead (4mm
× 5mm) Plastic QFN
–40°C to 125°C
LT3694EFE#PBF
LT3694EFE#TRPBF
LT3694FE
20-Lead Plastic TSSOP
–40°C to 125°C
LT3694IFE#PBF
LT3694IFE#TRPBF
LT3694FE
20-Lead Plastic TSSOP
–40°C to 125°C
LT3694-1EUFD#PBF
LT3694-1EUFD#TRPBF
36941
28-Lead (4mm
× 5mm) Plastic QFN
–40°C to 125°C
LT3694-1IUFD#PBF
LT3694-1IUFD#TRPBF
36941
28-Lead (4mm
× 5mm) Plastic QFN
–40°C to 125°C
LT3694-1EFE#PBF
LT3694-1EFE#TRPBF
LT3694FE-1
20-Lead Plastic TSSOP
–40°C to 125°C
LT3694-1IFE#PBF
LT3694-1IFE#TRPBF
LT3694FE-1
20-Lead Plastic TSSOP
–40°C to 125°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/
9
10
TOP VIEW
UFD PACKAGE
28-LEAD (4mm
5mm) PLASTIC QFN
29
GND
11 12 13
28 27 26 25 24
14
23
6
5
4
3
2
1
EN/UVLO
SYNC (CLKOUT)
PGOOD
RT
TRK/SS1
TRK/SS2
FB2
DRV2
DA
BST
BIAS
VC1
FB1
TRK/SS3
FB3
DRV3
V
IN
V
IN
GND
SW
LIM2
GND
LIM3
7
17
18
19
20
21
22
16
8
15
θJA = 34°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
LT3694-1 PINOUT IS SHOWN IN PARENTHESIS
FE PACKAGE
20-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
VIN
EN/UVLO
SYNC(CLKOUT)
PGOOD
RT
TRK/SS1
TRK/SS2
FB2
DRV2
LIM2
SW
DA
BST
BIAS
VC1
FB1
TRK/SS3
FB3
DRV3
LIM3
21
GND
θJA = 38°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
LT3694-1 PINOUT IS SHOWN IN PARENTHESIS
PIN CONFIGURATION
Operating Junction Temperature Range (Notes 2 and 5)
LT3694E............................................. –40°C to 125°C
LT3694I.............................................. –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 Sec)
(TSSOP Only) ................................................... 300°C
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