Datasheet > LM5005_14

LM5005_14

更新时间： 2024-09-27 02:58:55

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High Voltage 2.5 Amp Buck Regulator

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LM5005_14 数据手册

LM5005

www.ti.com

SNVS397D –SEPTEMBER 2005–REVISED MARCH 2013

LM5005 High Voltage 2.5 Amp Buck Regulator

Check for Samples: LM5005

FEATURES

DESCRIPTION

The LM5005 high voltage switching regulator features

all of the functions necessary to implement an

efficient high voltage buck regulator using a minimum

of external components. This easy to use regulator

includes a 75V N-Channel buck switch with an output

current capability of 2.5 Amps. The regulator control

method is based upon current mode control utilizing

an emulated current ramp. Current mode control

provides inherent line feed-forward, cycle-by-cycle

current limiting and ease of loop compensation. The

use of an emulated control ramp reduces noise

sensitivity of the pulse-width modulation circuit,

allowing reliable control of very small duty cycles

necessary in high input voltage applications. The

operating frequency is programmable from 50kHz to

500kHz. An oscillator synchronization pin allows

multiple LM5005 regulators to self-synchronize or to

be synchronized to an external clock. Additional

protection features include: current limit, thermal

shutdown and remote shutdown capability. The

device is available in a power enhanced HTSSOP

package featuring an exposed die attach pad to aid

thermal dissipation.

•

Integrated 75V, 2.5A N-Channel Buck Switch

Ultra-wide input voltage range from 7V to 75V

Internal high voltage bias regulator

Adjustable output voltage from 1.225V

1.5% feedback reference accuracy

Current mode control with emulated inductor

current ramp

•

Single resistor oscillator frequency setting

Oscillator synchronization input

Programmable soft-start

Shutdown / Standby input

Wide bandwidth error amplifier

Thermal Shutdown

Package

•

HTSSOP (Exposed Pad)

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.

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与LM5005_14相关器件

型号	品牌	获取价格	描述	数据表
LM5005MH	TI	获取价格	LM5005 High Voltage 2.5 Amp Buck Regulator
LM5005MH	NSC	获取价格	High Voltage 2.5 Amp Buck Regulator
LM5005MH/NOPB	NSC	获取价格	IC 4.25 A SWITCHING REGULATOR, 525 kHz SWITCHING FREQ-MAX, PDSO20, LEAD FREE, TSSOP-20, Sw
LM5005MH/NOPB	TI	获取价格	High Voltage 2.5 Amp Buck Regulator
LM5005MHX	TI	获取价格	LM5005 High Voltage 2.5 Amp Buck Regulator
LM5005MHX	NSC	获取价格	High Voltage 2.5 Amp Buck Regulator
LM5005MHX/NOPB	NSC	获取价格	IC 4.25 A SWITCHING REGULATOR, 525 kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20, Switching Reg
LM5005MHX/NOPB	TI	获取价格	High Voltage 2.5 Amp Buck Regulator
LM5006	NSC	获取价格	Evaluation Board provides the design engineer with a fully functional
LM5006	TI	获取价格	LM5006 80V, 600 mA Constant On-Time Buck Switching Regulator

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