Datasheet > LM5010SD/NOPB

LM5010SD/NOPB

更新时间： 2024-11-17 02:58:19

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High-Voltage 1-A Step-Down Switching Regulator

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LM5010SD/NOPB 数据手册

LM5010

www.ti.com

SNVS307F –SEPTEMBER 2004–REVISED FEBRUARY 2013

High-Voltage 1-A Step-Down Switching Regulator

Check for Samples: LM5010

FEATURES

APPLICATIONS

•

Input Voltage Range: 8V to 75V

Valley Current Limit At 1.25A

•

High Efficiency Point-Of-Load (POL) Regulator

Non-Isolated Telecommunications Buck

Regulator

Switching Frequency Can Exceed 1 MHz

Integrated N-Channel Buck Switch

Integrated Startup Regulator

•

Secondary High Voltage Post Regulator

Automotive Systems

No Loop Compensation Required

Ultra-Fast Transient Response

DESCRIPTION

The LM5010 Step Down Switching Regulator features

all the functions needed to implement a low cost,

efficient, buck bias regulator capable of supplying in

excess of 1A load current. This high voltage regulator

contains an N-Channel Buck Switch, and is available

in thermally enhanced 10-pin WSON and 14-pin

HTSSOP packages. The hysteretic regulation

scheme requires no loop compensation, results in

fast load transient response, and simplifies circuit

implementation. The operating frequency remains

constant with line and load variations due to the

inverse relationship between the input voltage and

the on-time. The valley current limit detection is set at

1.25A. Additional features include: V_CCunder-voltage

lockout, thermal shutdown, gate drive under-voltage

lockout, and maximum duty cycle limiter.

Operating Frequency Remains Constant With

Load and Line Variations

•

Maximum Duty Cycle Limited During Startup

Adjustable Output Voltage

Precision 2.5V Feedback Reference

Thermal shutdown

Packages

–

10-Pin WSON (4 mm x 4 mm)

14-Pin HTSSOP

Both Packages Have Exposed Thermal Pad

For Improved Heat Dissipation

DEVICE INFORMATION

8V - 75V

Input

LM5010

BST

/ SD

OUT

SHUTDOWN

SEN

RTN

GND

Figure 1. Basic Step-Down Regulator

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...24

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LM5010SD/NOPB 替代型号

型号	品牌	替代类型	描述	数据表
LM5010SDX/NOPB	TI	类似代替	8V 至 75V 宽输入电压、1A 恒定导通时间非同步降压稳压器 \| DPR \| 10 \|
LM5010SDX	TI	类似代替	High-Voltage 1-A Step-Down Switching Regulator
LM5010SD	TI	类似代替	High-Voltage 1-A Step-Down Switching Regulator

与LM5010SD/NOPB相关器件

型号	品牌	获取价格	描述	数据表
LM5010SDX	NSC	获取价格	High Voltage 1A Step Down Switching Regulator
LM5010SDX	TI	获取价格	High-Voltage 1-A Step-Down Switching Regulator
LM5010SDX/NOPB	TI	获取价格	8V 至 75V 宽输入电压、1A 恒定导通时间非同步降压稳压器 \| DPR \| 10 \|
LM5012	TI	获取价格	100-V input, 2.5-A non-synchronous buck DC/DC converter with Ultra-low IQ
LM501202-L-C-300	MACOM	获取价格	Octave Band, Low Power
LM501202-M-C-300	TE	获取价格	PIN Diode Limiter
LM501202-M-C-300	MACOM	获取价格	PIN Diode Limiter
LM501202-M-C-300-E	TE	获取价格	PIN Diode Limiter
LM501202-M-C-300-R	TE	获取价格	PIN Diode Limiter
LM501202-M-C-300-T	TE	获取价格	PIN Diode Limiter

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