参数资料
型号: LT3688EFE#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, PDSO24
封装: LEAD FREE, PLASTIC, TSSOP-24
文件页数: 12/28页
文件大小: 415K
代理商: LT3688EFE#TRPBF
LT3688
2
3688f
ABSOLUTE MAXIMUM RATINGS
VIN, EN/UVLO, CONFIG Voltage (Note 2)...................36V
BST Voltage ..............................................................55V
BST above SW Voltage .............................................30V
BIAS Voltage .............................................................30V
WDE, WDI, RST, WDO Voltage ...................................6V
FB, RT, SYNC, RUN/SS Voltage ..................................6V
CWDT, CPOR Voltage ....................................................3V
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
FE PACKAGE
24-LEAD PLASTIC TSSOP
24
23
22
21
20
19
18
17
16
15
14
13
FB1
RUN/SS1
BST1
SW1
DA1
VIN
CONFIG
DA2
SW2
BST2
RUN/SS2
FB2
EN/UVLO
SYNC
RT
CWDT
CPOR1
BIAS
CPOR2
WDI
WDE
WDO
RST1
RST2
25
GND
θJA = 38°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE ELECTRICALLY CONNECTED TO PCB
24 23 22 21 20 19
7
8
9
TOP VIEW
UF PACKAGE
24-LEAD (4mm
× 4mm) PLASTIC QFN
10 11 12
6
5
4
3
2
1
13
14
15
16
17
18
RT
SYNC
EN/UVLO
FB1
RUN/SS1
BST1
WDO
RST1
RST2
FB2
RUN/SS2
BST2
C
WDT
C
POR1
BIAS
C
POR2
WDI
WDE
SW1
DA1
V
IN
CONFIG
DA2
SW2
25
GND
θJA = 37°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE ELECTRICALLY CONNECTED TO PCB
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3688EFE#PBF
LT3688EFE#TRPBF
LT3688FE
24-Lead Plastic TSSOP
–40°C to 125°C
LT3688IFE#PBF
LT3688IFE#TRPBF
LT3688FE
24-Lead Plastic TSSOP
–40°C to 125°C
LT3688HFE#PBF
LT3688HFE#TRPBF
LT3688FE
24-Lead Plastic TSSOP
–40°C to 150°C
LT3688EUF#PBF
LT3688EUF#TRPBF
3688
24-Lead (4mm
× 4mm) Plastic QFN
–40°C to 125°C
LT3688IUF#PBF
LT3688IUF#TRPBF
3688
24-Lead (4mm
× 4mm) Plastic QFN
–40°C to 125°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
(Note 1)
Operating Junction Temperature Range (Note 3)
LT3688E, LT3688I ..............................–40°C to 125°C
LT3688H ............................................–40°C to 150°C
Maximum Junction Temperature
LT3688E, LT3688I ............................................. 125°C
LT3688H ........................................................... 150°C
Storage Temperature Range...................–65°C to 150°C
Lead Temperature (Soldering, 10 sec)
FE Package ....................................................... 300°C
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