Datasheet > LM25061

LM25061

更新时间： 2024-10-02 11:12:35

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
31页	1522K
描述
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

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LM25061 数据手册

LM25061

www.ti.com

SNVS611E –FEBRUARY 2011–REVISED MARCH 2013

LM25061 Positive Low Voltage Power Limiting Hot Swap Controller

Check for Samples: LM25061

FEATURES

APPLICATIONS

•

Operating Range: +2.9V to +17V

•

Server Backplane Systems

In-rush Current Limit for Safe Board Insertion

into Live Power Sources

Base Station Power Distribution Systems

Solid State Circuit Breaker

•

Programmable Maximum Power Dissipation in

the External Pass Device

PACKAGE

•

Adjustable Current Limit

•

VSSOP-10

Circuit Breaker Function for Severe Over-

Current Events

DESCRIPTION

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

operation 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 VSSOP package.

•

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

Typical Application

SYS

OUT

GND

OUT

VIN

SENSE GATE

PGD

UVLO/EN

LM25061

Power

Good

PGD

TIMER

GND

PWR

Figure 1. Positive Power Supply Control

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...31

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与LM25061相关器件

型号	品牌	获取价格	描述	数据表
LM25061PMM-1	NSC	获取价格	Positive Low Voltage Power Limiting Hot Swap Controller
LM25061PMM-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
LM25061PMM-2	NSC	获取价格	Positive Low Voltage Power Limiting Hot Swap Controller
LM25061PMM-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
LM25061PMME-1	NSC	获取价格	Positive Low Voltage Power Limiting Hot Swap Controller
LM25061PMME-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
LM25061PMME-2	NSC	获取价格	Positive Low Voltage Power Limiting Hot Swap Controller
LM25061PMME-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
LM25061PMMX-1	NSC	获取价格	Positive Low Voltage Power Limiting Hot Swap Controller
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

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