LT1641-1IS8

更新时间： 2024-02-24 13:26:37

品牌	Logo	应用领域
凌特 - Linear		光电二极管控制器
页数	文件大小	规格书
12页	171K
描述
Positive High Voltage Hot Swap Controllers

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中文翻译

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数据手册

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LT1641-1IS8 数据手册

LT1641-1/LT1641-2

Positive High Voltage

Hot Swap Controllers

DESCRIPTIO

FEATURES

The LT^®1641-1/LT1641-2 are 8-pin Hot Swap^TMcontrol-

lers that allow a board to be safely inserted and removed

from a live backplane. Using an external N-channel pass

transistor, the board supply voltage can be ramped up at

aprogrammablerate. Ahighsideswitchdrivercontrolsan

N-channel gate for supply voltages ranging from 9V to

80V.

■

Allows Safe Board Insertion and Removal from a

Live Backplane

■

Controls Supply Voltage from 9V to 80V

■

Programmable Analog Foldback Current Limiting

High Side Drive for an External N-Channel

Latched Operation Mode (LT1641-1)

Automatic Retry (LT1641-2)

User Programmable Supply Voltage Power-Up Rate

Undervoltage Lockout

Overvoltage Protection

Both are available in 8-Lead SO Package

■

The chips feature a programmable analog foldback cur-

rent limit circuit. If the chips remain in current limit for

more than a programmable time, the N-channel pass

transistor is either latched off (LT1641-1) or is set to

automatically restart after a time-out delay (LT1641-2).

■

APPLICATIO S

The PWRGD output indicates when the output voltage,

sensed by the FB pin, is within tolerance. The ON pin

provides programmable undervoltage lockout.

■

Hot Board Insertion

■

Electronic Circuit Breaker

■

Industrial High Side Switch/Circuit Breaker

24V/48V Industrial/Alarm Systems

■

The LT1641-1/LT1641-2 are available in the 8-lead SO

package.

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

All other trademarks are the property of their respective owners.

TYPICAL APPLICATIO

24V Input Voltage Application

IRF530

0.01Ω

OUT

24V

CMPZ

5248B

49.9k

10Ω

59k

SHORT

10nF

R6,

1k, 5%

24k

SENSE GATE

*SMAT70A

3.57k

LT1641-1/LT1641-2

3.4k

PWRGD

TIMER

GND

0.68µF

GND

1641-1 TA01

*DIODES, INC.

164112fc

12 3 4 5 6 7...12

中文翻译

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