Datasheet > LTABK

LTABK

更新时间： 2024-11-24 03:52:11

品牌	Logo	应用领域
凌特 - Linear		控制器
页数	文件大小	规格书
32页	273K
描述
Negative Low Voltage Hot Swap Controllers

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中文翻译

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数据手册

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LTABK 数据手册

LTC4214-1/LTC4214-2

Negative Low Voltage

Hot Swap Controllers

DESCRIPTIO

FEATURES

The LTC^®4214 negative voltage Hot Swap^TMcontroller

allows a board to be safely inserted and removed from a

livebackplane.Outputcurrentiscontrolledbythreestages

of current limiting: a timed circuit breaker, active current

limiting and a fast feedforward path that limits peak

current under worst-case catastrophic fault conditions.

■

Allows Safe Board Insertion and Removal from a

Live Backplane

■

Controls Supplies from 0V to –16V

■

Adjustable Analog Current Limit With Circuit

Breaker Timer

■

Fast Response Time Limits Peak Fault Current

■

Adjustable Soft-Start Current Limit

Adjustable undervoltage and overvoltage detectors dis-

connect the load whenever the input supply exceeds the

desired operating range. The LTC4214 controls negative

supplies ranging from near zero to –16V. A multifunction

timerdelaysinitialstart-upandcontrolsthecircuitbreaker’s

response time. This response time is accelerated by

sensing excessive MOSFET drain voltage, keeping the

MOSFET within its safe operating area (SOA). An adjust-

able soft-start circuit controls MOSFET inrush current at

start-up. A power good status output can enable a power

module at start-up or disable it if the circuit breaker trips.

■

Adjustable Timer with Drain Voltage Accelerated

Response

■

Adjustable Undervoltage/Overvoltage Protection

■

LTC4214-1: Latch Off After Fault

■

LTC4214-2: Automatic Retry After Fault

■

Available in the 10-Pin MSOP Package

APPLICATIO S

■

Hot Board Insertion

■

Electronic Circuit Breaker

The LTC4214-1 latches off after a circuit breaker fault times

out. The LTC4214-2 provides automatic retry after a fault.

The LTC4214 is available in the 10-pin MSOP package.

■

Negative Power Supply Control

■

Central Office Switching

■

High Availability Servers

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

Hot Swap is a trademark of Linear Technology Corporation.

■

Disk Arrays

■

Optical Networking/Switching

■

ECL

TYPICAL APPLICATIO

–5.2V/5A ECL Supply Hot Swap Controller

Start-Up Behavior

3.3V

BSS138

GND

GATE

10Ω

470Ω

5V/DIV

LOAD

SMAJ7A

100µF

100nF

–5.2V

ECL

GND

SENSE

20mV/DIV

LTC4214-1

PWRGD

0.1µF

22Ω

(SHORT PIN)

34k

75k

9, 8

UV/OV

TIMER

DRAIN

GATE

OUT

32.4k

5V/DIV

IRF7413

5.6nF

SENSE

10Ω

10nF

0.01Ω

PWRGD

5V/DIV

PUSH

RESET

1nF

3.3nF

4214 TA02

4214 TA01

–5.2V

421412f

12 3 4 5 6 7...32

中文翻译

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与LTABK相关器件

型号	品牌	获取价格	描述	数据表
LTABL	Linear	获取价格	Negative Low Voltage Hot Swap Controllers
LTACF	Linear	获取价格	Hot Swappable 2-Wire Bus Buffers
LTACG	Linear	获取价格	Hot Swappable 2-Wire Bus Buffers
LTAEY	Linear Systems	获取价格	Differential Input 16-Bit No Latency DS ADC
LTAEZ	Linear Systems	获取价格	Differential Input 16-Bit No Latency DS ADC
LTAGL	Linear	获取价格	100mA, Low Voltage, Very Low Dropout Linear Regulator
LTB0022	ETC	获取价格	Optoelectronic
LTB0028	ETC	获取价格	Optoelectronic
LTB0038	ETC	获取价格	Optoelectronic
LTB0047	ETC	获取价格	Optoelectronic

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