LMR14006

更新时间： 2024-11-23 12:19:27

品牌	Logo	应用领域
德州仪器 - TI		/
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20页	1171K
描述
SIMPLE SWITCHERÂ® 40V 300/600mA Buck Regulators with High Efficiency Sleep Mode

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LMR14006 数据手册

LMR14003, LMR14006

www.ti.com

SNVSA10 –NOVEMBER 2013

SIMPLE SWITCHER® 40V 300/600mA Buck Regulators with High Efficiency Sleep Mode

Check for Samples: LMR14003, LMR14006

FEATURES

DESCRIPTION

•

Ultra Low 28µA Standby Current in Sleep

Mode

The LMR14003 and LMR14006 are PWM DC/DC

buck (step-down) regulators. With a wide input range

of 4V-40V, they are suitable for a wide range of

application from industrial to automotive for power

conditioning from an unregulated source. The

regulator’s standby current is 28µA in sleep mode,

which is suitable for battery operating systems. An

ultra low 1µA current can further prolong battery life

in shutdown mode. Operating frequency is fixed at

1.1MHz(X version) and 2.1MHz(Y version) allowing

the use of small external components while still being

able to have low output ripple voltage. Soft-start and

compensation circuits are implemented internally, and

these allow the device to be used with minimized

external components. The LMR14006 is optimized for

up to 600mA load currents while the LMR14003 is

optimized for up to 300mA load current. They all have

a 0.765V typical feedback voltage. The device has

built-in protection features such as pulse by pulse

current limit, thermal sensing and shutdown due to

excessive power dissipation. The LMR14003 and

LMR14006 are available in a low profile TSOT-6L

package.

•

Input Voltage Range 4V to 40V

1µA Shutdown Current

High Duty Cycle Operation Supported

Output Current Options of 300mA and 600mA

5V Fixed Voltage Option Available

1.1MHz and 2.1MHz Switching Frequency

Internal Compensation

High Voltage Enable Input

Internal Soft Start

Over Current Protection

Over Temperature Protection

Small Overall Solution Size (TSOT-6L Package)

APPLICATIONS

•

Industrial Distributed Power Systems

Automotive

Battery Powered Equipment

Portable Handheld Instruments

Portable Media Players

VIN

Up to 40V

VIN

Cboot

Cin

5V, 0.3/0.6A

SHDN

GND

Cout

LMR14003/6

Fixed 5V Output

Option Available

Figure 1. Typical Application Schematic

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.

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...20

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LMR14006 替代型号

型号	品牌	替代类型	描述	数据表
LM2598	TI	功能相似	4.5V 至 40V、1A SIMPLE SWITCHER® 降压转换器
LM2675	TI	功能相似	LM2675 SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage
LM2594	TI	功能相似	LM2594/LM2594HV SIMPLE SWITCHERÂ® Power Conve

与LMR14006相关器件

型号	品牌	获取价格	描述	数据表
LMR14006XDDCR	TI	获取价格	SIMPLE SWITCHERÂ® 40V 300/600mA Buck Regulato
LMR14006XDDCT	TI	获取价格	SIMPLE SWITCHERÂ® 40V 300/600mA Buck Regulato
LMR14006YDDCR	TI	获取价格	SIMPLE SWITCHERÂ® 40V 300/600mA Buck Regulato
LMR14006YDDCT	TI	获取价格	SIMPLE SWITCHERÂ® 40V 300/600mA Buck Regulato
LMR14010A	TI	获取价格	具有高效 Eco-Mode 的 SIMPLE SWITCHER® 4V 至 40V、1A
LMR14010ADDCR	TI	获取价格	具有高效 Eco-Mode 的 SIMPLE SWITCHER® 4V 至 40V、1A
LMR14010ADDCT	TI	获取价格	具有高效 Eco-Mode 的 SIMPLE SWITCHER® 4V 至 40V、1A
LMR14020	TI	获取价格	具有低 IQ 的 SIMPLE SWITCHER、4V 至 40V、2A 2.2MHz 降
LMR14020-Q1	TI	获取价格	具有 40uA IQ 的 SIMPLE SWITCHER®、汽车类 40V、2A 2.2M
LMR14020QDPRRQ1	TI	获取价格	具有 40uA IQ 的 SIMPLE SWITCHER®、汽车类 40V、2A 2.2M

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