LT1640H Linear Technology Corporation, LT1640H Datasheet

LT1640H

Manufacturer Part Number

LT1640H

Description

Manufacturer

Linear Technology Corporation

Datasheets

1.LT1640H.pdf (12 pages)

2.LT1640H.pdf (12 pages)

3.LT1640H.pdf (16 pages)

Specifications of LT1640H

Case

SOP8

Date_code

0649+

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Part Number

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Price

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Part Number:

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Manufacturer:

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Quantity:

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Current page: 1 of 12
Download datasheet (293Kb)

APPLICATIONS

FEATURES

TYPICAL

UV = 37V

OV = 71V

– 48V

GND

Allows Safe Board Insertion and Removal

from a Live – 48V Backplane

Operates from –10V to – 80V

Programmable Inrush Current

Programmable Electronic Circuit Breaker

Programmable Overvoltage Protection

Programmable Undervoltage Lockout

Power Good Control Output

Central Office Switching

– 48V Distributed Power Systems

Negative Power Supply Control

9.09k

562k

10k

APPLICATION

0.02

SENSE

33nF

24V

0.1 F

100V

LT1640L

IRF530

GATE

100 F

100V

10k

3.3nF

100V

PWRGD

DRAIN

JW050A1-E

–

LUCENT

ON/OFF

SENSE

TRIM

OUT

–

1640 TA01

The LT

Swap

and removed from a live backplane. Inrush current is

limited to a programmable value by controlling the gate

voltage of an external N-channel pass transistor. The pass

transistor is turned off if the input voltage is less than the

programmable undervoltage threshold or greater than the

overvoltage threshold. A programmable electronic circuit

breaker protects the system against shorts. The PWRGD

(LTC1640L) or PWRGD (LTC1640H) signal can be used to

directly enable a power module. The LT1640L is designed

for modules with a low enable input and the LT1640H for

modules with a high enable input.

The LT1640L/LT1640H is available in 8-pin PDIP and SO

packages.

DESCRIPTION

Hot Swap is a trademark of Linear Technology Corporation.

100 F

16V

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

controller that allows a board to be safely inserted

1640L/LT1640H is an 8-pin, negative voltage Hot

Hot Swap Controller

CONTACT

BOUNCE

Negative Voltage

Input Inrush Current

LT1640L/LT1640H

1640 F07b

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