Datasheet > LMR10530YSDX/NOPB

LMR10530YSDX/NOPB

更新时间： 2024-09-16 01:01:31

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描述
SIMPLE SWITCHER 5.5Vin, 3.0A Step-Down Voltage Regulator in WSON-10

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LMR10530

www.ti.com

SNVS814A –JUNE 2012–REVISED APRIL 2013

LMR10530 SIMPLE SWITCHER 5.5Vin, 3.0A Step-Down Voltage Regulator in WSON-10

Check for Samples: LMR10530

FEATURES

DESCRIPTION

The LMR10530 regulator is

a monolithic, high

•

Input Voltage Range of 3.0V to 5.5V

Output Voltage Range of 0.6V to 4.5V

frequency, PWM step-down DC/DC converter

available in a 10-pin WSON package. It contains all

the active functions to provide local DC/DC

conversion with fast transient response and accurate

regulation in the smallest possible PCB area. With a

minimum of external components, the LMR10530 is

easy to use. The ability to drive 3.0A loads with an

internal 56 mΩ PMOS switch using state-of-the-art

0.5µm BiCMOS technology results in the best power

density available. The control circuitry allows on-times

as low as 30ns, thus supporting exceptionally high

frequency conversion over the entire 3V to 5.5V input

operating range down to the minimum output voltage

of 0.6V. Switching frequency is internally set to

1.5MHz or 3.0MHz, allowing the use of extremely

small surface mount inductors and capacitors. Even

though the operating frequency is high, efficiencies

up to 93% are easy to achieve. External shutdown is

included, featuring an ultra-low stand-by current of

300nA. The LMR10530 utilizes peak current-mode

control and internal compensation to provide high-

•

1.5 MHz (LMR10530X) and 3 MHz (LMR10530Y)

Switching Frequencies

•

WSON-10 (3 x 3 x 0.8 mm) Packaging

3.0A Steady-State Output Current

Low Shutdown Iq, 300 nA Typical

56mΩ PMOS Switch

Internal Soft-Start

Internally Compensated Peak Current-Mode

Control

•

Cycle-by-cycle Current Limit and Thermal

Shutdown

WEBENCH^®enabled

PERFORMANCE BENEFITS

•

Extremely Easy to Use

Tiny Overall Solution Reduces System Cost

performance regulation over

a wide range of

operating conditions. Additional features include

internal soft-start circuitry to reduce inrush current,

cycle-by-cycle current limit, frequency foldback,

APPLICATIONS

•

Point-of-load Conversions from 3.3V and 5V

Rails

thermal

shutdown,

and

output

over-voltage

protection.

•

Space Constrained Applications

System Performance

Efficiency vs Load Current

LMR10530X V_IN= 5V

Efficiency vs Load Current

LMR10530Y V_IN= 5V

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.

SIMPLE SWITCHER, WEBENCH are registered trademarks of Texas Instruments.

All other 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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LMR10530YSDX/NOPB 替代型号

型号	品牌	替代类型	描述	数据表
LMR10530YSD/NOPB	TI	完全替代	SIMPLE SWITCHER 5.5Vin, 3.0A Step-Down Voltage Regulator in WSON-10

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