Datasheet > LM25061PMMX-1

LM25061PMMX-1

更新时间： 2024-10-01 05:42:07

品牌	Logo	应用领域
美国国家半导体 - NSC		控制器
页数	文件大小	规格书
22页	583K
描述
Positive Low Voltage Power Limiting Hot Swap Controller

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LM25061PMMX-1 数据手册

July 15, 2009

LM25061

Positive Low Voltage Power Limiting Hot Swap Controller

General Description

Features

The LM25061 positive hot swap controller provides intelligent

control of the power supply voltage to the load during insertion

and removal of circuit cards from a live system backplane or

other "hot" power sources. The LM25061 provides in-rush

current control to limit system voltage droop and transients.

The current limit and power dissipation in the external series

pass N-Channel MOSFET are programmable, ensuring op-

eration within the Safe Operating Area (SOA). The POWER

GOOD output indicates when the output voltage exceeds a

programmable threshold. The input under-voltage level and

hysteresis are programmable, as well as the initial insertion

delay time and fault detection time. The LM25061-1 latches

off after a fault detection, while the LM25061-2 automatically

restarts at a fixed duty cycle. The LM25061 is available in a

10 pin MSOP package.

Operating range: +2.9V to +17V

■

In-rush current limit for safe board insertion into live power

sources

Programmable maximum power dissipation in the external

pass device

■

Adjustable current limit

■

Circuit breaker function for severe over-current events

Internal high side charge pump and gate driver for external

N-channel MOSFET

Adjustable under-voltage lockout (UVLO) and hysteresis

■

Adjustable output voltage monitoring and hysteresis

Initial insertion timer allows ringing and transients to

subside after system connection

Programmable fault timer avoids nuisance trips

■

Active high open drain POWER GOOD output

Available in latched fault and automatic restart versions

Applications

Server Backplane Systems

■

Base Station Power Distribution Systems

Solid State Circuit Breaker

Package

MSOP-10

■

Typical Application

30090301

Positive Power Supply Control

300903

www.national.com

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与LM25061PMMX-1相关器件

型号	品牌	获取价格	描述	数据表
LM25061PMMX-1/NOPB	TI	获取价格	具有功率限制、电源正常指示和过压保护功能的 2.9V 至 17V 热插拔控制器 \| DGS
LM25061PMMX-2	NSC	获取价格	Positive Low Voltage Power Limiting Hot Swap Controller
LM25061PMMX-2/NOPB	TI	获取价格	具有功率限制、电源正常指示和过压保护功能的 2.9V 至 17V 热插拔控制器 \| DGS
LM25066	NSC	获取价格	Evaluation Board Insertion delay: 147 ms (typical)
LM25066	TI	获取价格	具有 PMBus 的 2.9V 至 17V 热插拔控制器
LM25066A	TI	获取价格	System Power Management and Protection IC wit
LM25066APSQ	TI	获取价格	System Power Management and Protection IC wit
LM25066APSQ/NOPB	TI	获取价格	具有 I2C 和 PMBus 及更高监控精度的 2.9V 至 17V 热插拔控制器 \| N
LM25066APSQE	TI	获取价格	System Power Management and Protection IC wit
LM25066APSQE/NOPB	TI	获取价格	具有 I2C 和 PMBus 及更高监控精度的 2.9V 至 17V 热插拔控制器 \| N

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