参数资料
型号: LT3845AMPFE#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
封装: 4.40 MM, LEAD FREE, PLASTIC, TSSOP-16
文件页数: 12/26页
文件大小: 284K
代理商: LT3845AMPFE#TRPBF
LT3845A
2
3845afa
ORDER INFORMATION
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (VIN)........................................65V
Boosted Supply Voltage (BOOST).............................80V
Switch Voltage (SW) (Note 8)....................... 65V to –2V
Differential Boost Voltage
(BOOST to SW).....................................................24V
Bias Supply Voltage (VCC).........................................24V
SENSE+ and SENSEVoltages ..................................40V
Differential Sense Voltage
(SENSE+ to SENSE)....................................1V to –1V
BURST_EN Voltage ...................................................24V
SYNC, VC, VFB, CSS, and SHDN Voltages ....................5V
SHDN Pin Currents ..................................................1mA
Operating Junction Temperature Range (Note 2)
LT3845AE (Note 3) ............................ –40°C to 125°C
LT3845AI .......................................... –40°C to 125°C
LT3845AMP....................................... –55°C to 125°C
Storage Temperature.............................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)...................300°C
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3845AEFE#PBF
LT3845AEFE#TRPBF
3845AFE
16-Lead Plastic TSSOP
–40°C to 125°C
LT3845AIFE#PBF
LT3845AIFE#TRPBF
3845AFE
16-Lead Plastic TSSOP
–40°C to 125°C
LT3845AMPFE#PBF
LT3845AMPFE#TRPBF
3845AFE
16-Lead Plastic TSSOP
–55°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/
FE PACKAGE
16-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
VIN
SHDN
CSS
BURST_EN
VFB
VC
SYNC
fSET
BOOST
TG
SW
VCC
BG
PGND
SENSE+
SENSE
17
TJMAX = 125°C, qJA = 40°C/W, qJC = 10°C/W
EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
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