LTC1643ALIGN

更新时间： 2024-11-05 22:05:39

品牌	Logo	应用领域
凌特 - Linear		光电二极管控制器 PC
页数	文件大小	规格书
16页	244K
描述
PCI-Bus Hot Swap Controller

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中文翻译

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数据手册
替代型号

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LTC1643ALIGN 数据手册

LTC1643AL

LTC1643AL-1/LTC1643AH

PCI-Bus Hot Swap

Controller

FEATURES

DESCRIPTIO

TheLTC^®1643AisaHotSwap^TMcontrollerthatallowsaboard

to be safely inserted and removed from a live PCI-Bus slot.

Two external N-channel transistors control the 3.3V and 5V

supplies while on-chip switches control the –12V and 12V

supplies. Allsupplyvoltagescanberampedupataprogram-

mable rate. An electronic circuit breaker protects all four

suppliesagainstovercurrentfaults.Thefoldbackcurrentlimit

feature limits current spikes and power dissipation when

shortsoccurandallowsboardswithlargecapacitancestobe

poweredupwithouttrippingthecircuitbreaker. ThePWRGD

output indicates when all of the supply voltages are within

tolerance and the FAULT output indicates an overcurrent

condition. The ON(LTC1643AH)/ON (LTC1643AL/

LTC1643AL-1) pin is used to cycle the board power or reset

the circuit breaker. The LTC1643AL-1 has the ±12V power

good comparators disabled.

■

Allows Safe Board Insertion and Removal from a

Live PCI Slot

■

Works on either a Motherboard (LTC1643AH) or

CompactPCI^TMCard (LTC1643AL/LTC1643AL-1)

■

Controls –12V, 3.3V, 5V, 12V Supplies

■

Programmable Foldback Current Limit with

Circuit Breaker

■

User-Programmable Supply Voltage Power-Up Rate

■

High Side Drive for External N-Channel MOSFETs

■

–12V and 12V On-Chip Switches

Fault and Power-Good Outputs

■

Available in a Narrow 16-Lead SSOP Package

APPLICATIO S

■

PCI-Based Servers

CompactPCICompliant Boards

■

TheLTC1643Aisavailableina16-pinnarrowSSOPpackage.

, LTC and LT are registered trademarks of Linear Technology Corporation.

Hot Swap is a trademark of Linear Technology Corporation.

CompactPCI is a trademark of PCI Industrial Computer Manufacturing Group.

TYPICAL APPLICATION

Hot Swappable PCI Supply

0.007Ω

IRF7413

10Ω

0.005Ω

IRF7413

3.3V

7.6A

GND

SYSTEM

POWER

SUPPLY

10Ω

100Ω

0.047µF

GATE 3V

OUT

SENSE

OUT

SENSE

GND

12V

EEIN

12V

OUT

500mA

LTC1643AH

–12V

100mA

EEOUT

10k

PCI

FAULT

POWER

SYSTEM

CONTROLLER

TIMER

10k

0.1µF

PWRGD

LOGIC

RESET

1643A TA01

1643afa

12 3 4 5 6 7...16

中文翻译

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LTC1643ALIGN 替代型号

型号	品牌	替代类型	描述	数据表
LTC1643ALIGN#PBF	Linear	功能相似	LTC1643A - PCI-Bus Hot Swap Controller; Package: SSOP; Pins: 16; Temperature Range: -40&am

与LTC1643ALIGN相关器件

型号	品牌	获取价格	描述	数据表
LTC1643ALIGN#PBF	Linear	获取价格	LTC1643A - PCI-Bus Hot Swap Controller; Package: SSOP; Pins: 16; Temperature Range: -40&am
LTC1643ALIGN#TR	Linear	获取价格	Power Supply Support Circuit, Adjustable, 4 Channel, PDSO16
LTC1643ALIGN#TRPB	Linear	获取价格	IC 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16, 0.150 INCH, LEAD FREE, PLASTIC, SSOP-16, Po
LTC1643ALIGN#TRPBF	Linear	获取价格	暂无描述
LTC1643H	Linear	获取价格	PCI-Bus Hot Swap Controller
LTC1643H_15	Linear	获取价格	PCI-Bus Hot Swap Controller
LTC1643HCGN	Linear	获取价格	PCI-Bus Hot Swap Controller
LTC1643HIGN	Linear	获取价格	PCI-Bus Hot Swap Controller
LTC1643L	Linear	获取价格	PCI-Bus Hot Swap Controller
LTC1643L_15	Linear	获取价格	PCI-Bus Hot Swap Controller

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