Datasheet > LTC1696

LTC1696

更新时间： 2024-09-25 14:57:55

品牌	Logo	应用领域
亚德诺 - ADI		控制器
页数	文件大小	规格书
14页	174K
描述
过压保护控制器

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中文翻译

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数据手册

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LTC1696 数据手册

LTC1696

Overvoltage Protection

Controller

FEATURES

DESCRIPTION

The LTC^®1696 is a standalone power supply overvolt-

age monitor and protection device designed to protect a

power supply load in the event of an overvoltage fault. It

monitorstwoadjustableoutputvoltages.Ifanovervoltage

condition is detected, the output drives either an external

SCRcrowbarorturnsoffexternalback-to-backN-channel

MOSFETs, thereby, disconnecting the input voltage from

the power supply.

±±2% OveOoltagv%Thevshold%Accueacy

Low%Peoﬁlv%(1mm)%ThinS T^™%Packagv

Gate Drive for SCR Crowbar or External N-Channel

Disconnect MOSFET

Monitors Two Output Voltages

Senses Output Voltages from 0.8V to 24V

Wide Supply Range: 2.7V to 27V

Multifunction TIMER/RESET Pin

Pin 6 offers three functions. By connecting a capacitor

to this pin, the internal glitch filter time delay can be

programmed. Without the capacitor, the default time

delay is determined by an internal capacitor. This pin also

serves as a reset input to clear the internal latch after an

overvoltage fault condition. By pulling it high, the OUT

pin is activated if the FB1 and FB2 voltages remain below

the trip threshold.

APPLICATIONS

Telecommunication Systems

Computer Systems

Industrial Control Systems

Notebook Computers

The LTC1696 is available in the low profile (1mm)

ThinSOT package.

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation.All other

trademarks are the property of their respective owners. .

TYPICAL APPLICATION

SCR%Ceowbae

OveOoltagv%Rvsponsv

OUT2

POWER

SUPPLY

12V

FB1

0.5V/DIV

OUT1

3.3V

137k

232k

TIMER/RESET

2V/DIV

TIMER/

FB1

RESET

1nF

RESET

44.2k

2N7002

LTC1696

OUT

20mA/DIV

GND

FB2

44.2k

C1 = 1nF

OUT

100µs/DIV

1696 TA02

SCR

2N6507

0.1µF

1696 TA01

1696fb

For more information www.linear.com/LTC1696

12 3 4 5 6 7...14

中文翻译

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