ADM1270 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADM1270
Manufacturer

ADI
ChipWorker Part#

CW983365621
Description

High Voltage Input Protection Device
Documentation

Datasheet

ADM1270 Global Supplier

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ADM1270 Specifications

Attribute	Attribute Value

Part Number	ADM1270
Manufacturer	ADI
ChipWorker Part#	CW983365621
Documentation	Datasheet
	expand all
Product Lifecycle Status	Recommended for New Designs

Product Description

Product Details
The ADM1270 is a current-limiting controller that provides inrush current limiting and overcurrent protection for modular or battery-powered systems. When circuit boards are inserted into a live backplane, discharged supply bypass capacitors draw large transient currents from the backplane power bus as they charge. These transient currents can cause permanent damage to connector pins, as well as dips on the backplane supply that can reset other boards in the system.
The ADM1270 is designed to control the inrush current, when powering on the system, via an external P-channel field effect transistor (FET).
To protect the system from a reverse polarity input supply, there is a provision made to control an additional external P-channel FET. This feature prevents reverse current flow in case of a reverse polarity connection, which can damage the load or the ADM1270. The ADM1270 is available in a 3 mm × 3 mm, 16-lead LFCSP and a 16-lead QSOP.
Applications
Industrial modules
Battery-powered/portable instrumentation
### Features and Benefits
Controls supply voltages from 4 V to 60 V
Gate drive for low voltage drop reverse supply protection
Gate drive for P-channel FETs
Inrush current limiting control
Adjustable current limit
Foldback current limiting
Automatic retry or latch-off on current fault
Programmable current-limit timer for safe operating area (SOA)
Power-good and fault outputs
Analog undervoltage (UV) and overvoltage (OV) protection
16-lead, 3 mm × 3 mm LFCSP
16-lead QSOP

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