L4971

批量生产

1.5A开关稳压器

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概述
Online design
样片和购买
解决方案
文件
CAD资源
工具与软件
质量与可靠性
Partner products
Sales Briefcase

产品概述

描述

The L4971 is a step down monolithic power switching regulator delivering 1.5A at a voltage between 3.3V and 50V (selected by a simple external divider). Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typical Rdson of 0.25Ω) to obtain very high efficency and high switching speed. A switching frequency up to 300KHz is achievable (the maximum power dissipation of the packages must be observed).
A wide input voltage range between 8V to 55V and output voltages regulated from 3.3V to 50V cover the majority of today’s applications.
Features of this new generations of DC-DC converter include pulse-by-pulse current limit, hiccup mode for short circuit protection, voltage feedforward regulation, soft-start, protection against feedback loop disconnection, inhibit for zero current consumption and thermal shutdown.
The device is available in plastic dual in line, DIP8 for standard assembly, and SO16W for SMD assembly.
  • 所有功能

    • PROTECTION AGAINST FEEDBACK DISCONNECTION
    • INHIBIT FOR ZERO CURRENT CONSUMPTION
    • SOFT START FUNCTION
    • THERMAL SHUTDOWN
    • ZERO LOAD CURRENT OPERATION
    • VOLTAGE FEEDFORWARD
    • UP TO 1.5A STEP DOWN CONVERTER
    • PRECISE 3.3V (±1%) INTERNAL REFERENCE VOLTAGE
    • OPERATING INPUT VOLTAGE FROM 8V TO 55V
    • SWITCHING FREQUENCY ADJUSTABLE UP TO 300KHz
    • INTERNAL CURRENT LIMITING (PULSE-BY PULSE AND HICCUP MODE)
    • OUTPUT VOLTAGE ADJUSTABLE FROM 3.3V TO 50V

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      描述
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      基于L4971的1.5 A降压开关稳压器(VIN = 8至55 V)

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EDA符号、封装和3D模型

STMicroelectronics - L4971

为您的应用下载所有EDA符号、封装和3D模型,加快您的设计速度。您可以从大量CAD格式中进行选择,以匹配您的设计工具链。

Symbols

符号

Footprints

封装

3D model

3D模型

质量与可靠性

产品型号 Marketing Status 封装 等级规格 符合RoHS级别 材料声明**
L4971
批量生产
DIP-8 工业 Ecopack2
L4971D
批量生产
SO-16W 工业 Ecopack1
L4971D013TR
批量生产
SO-16W 工业 Ecopack1

L4971

Package:

DIP-8

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

DIP-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L4971D

Package:

SO-16W

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

SO-16W

Grade

Industrial

RoHS Compliance Grade

Ecopack1

L4971D013TR

Package:

SO-16W

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

SO-16W

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此,它们可能不是100%适用于特定的设备。有关特定设备的信息,请联系 销售支持

转换器

Input

V This option is required. And must be less than or equal to Volt. Max [V]
V This option is required. And must be greater than or equal to Volt. Min [V]

Output Power

V This option is required and must be a number.
A This option is required and must be a number.

样片和购买

产品型号
从分销商订购
从ST订购
供货状态
ECCN (US)
ECCN (EU)
包装类型
封装
温度(ºC) Country of Origin
Budgetary Price (US$)*/Qty
最小值
最大值
L4971 Available at 5 distributors

经销商的可用性L4971

代理商名称
地区 库存 最小订购量 第三方链接
COMPEL EUROPE 935 1 Buy from Distributor
RS COMPONENTS EUROPE 1826 1 Buy from Distributor
AVNET AMERICA 12084 0 Buy from Distributor
MOUSER WORLDWIDE 3134 1 Buy from Distributor
ANGLIA Live EUROPE 24700 50 Buy from Distributor

代理商库存报告日期: 2021-12-01

代理商名称

COMPEL

库存

935

Min.Order

1

RS COMPONENTS

库存

1826

Min.Order

1

AVNET

库存

12084

Min.Order

0

地区

AMERICA Buy from Distributor

MOUSER

库存

3134

Min.Order

1

地区

WORLDWIDE Buy from Distributor

ANGLIA Live

库存

24700

Min.Order

50

代理商库存报告日期: 2021-12-01

Free Sample Buy Direct
批量生产
EAR99 NEC Tube DIP-8 - - CHINA 1.6111 / 1k
L4971D Available at 5 distributors

经销商的可用性L4971D

代理商名称
地区 库存 最小订购量 第三方链接
DIGIKEY WORLDWIDE 406 1 Buy from Distributor
COMPEL EUROPE 147 1 Buy from Distributor
FUTURE WORLDWIDE 1656 1 Buy from Distributor
MOUSER WORLDWIDE 2340 1 Buy from Distributor
Farnell Element14 EUROPE 2081 1 Buy from Distributor

代理商库存报告日期: 2021-12-01

代理商名称

DIGIKEY

库存

406

Min.Order

1

地区

WORLDWIDE Buy from Distributor

COMPEL

库存

147

Min.Order

1

FUTURE

库存

1656

Min.Order

1

地区

WORLDWIDE Buy from Distributor

MOUSER

库存

2340

Min.Order

1

地区

WORLDWIDE Buy from Distributor

Farnell Element14

库存

2081

Min.Order

1

代理商库存报告日期: 2021-12-01

Buy Direct
批量生产
EAR99 NEC Tube SO-16W - - MALAYSIA 1.6111 / 1k
L4971D013TR Available at 2 distributors

经销商的可用性L4971D013TR

代理商名称
地区 库存 最小订购量 第三方链接
DIGIKEY WORLDWIDE 1100 1 Buy from Distributor
Farnell Element14 EUROPE 137 1 Buy from Distributor

代理商库存报告日期: 2021-12-01

代理商名称

DIGIKEY

库存

1100

Min.Order

1

地区

WORLDWIDE Buy from Distributor

Farnell Element14

库存

137

Min.Order

1

代理商库存报告日期: 2021-12-01

批量生产
EAR99 NEC Tape And Reel SO-16W - - MALAYSIA 1.6111 / 1k

L4971

供货状态

批量生产

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.6111 / 1k

经销商的可用性L4971

代理商名称
地区 库存 最小订购量 第三方链接
COMPEL EUROPE 935 1 Buy from Distributor
RS COMPONENTS EUROPE 1826 1 Buy from Distributor
AVNET AMERICA 12084 0 Buy from Distributor
MOUSER WORLDWIDE 3134 1 Buy from Distributor
ANGLIA Live EUROPE 24700 50 Buy from Distributor

代理商库存报告日期: 2021-12-01

代理商名称

COMPEL

库存

935

Min.Order

1

RS COMPONENTS

库存

1826

Min.Order

1

AVNET

库存

12084

Min.Order

0

地区

AMERICA Buy from Distributor

MOUSER

库存

3134

Min.Order

1

地区

WORLDWIDE Buy from Distributor

ANGLIA Live

库存

24700

Min.Order

50

代理商库存报告日期: 2021-12-01

ECCN (EU)

NEC

包装类型

Tube

封装

DIP-8

Operating Temperature (°C)

(最小值)

-

(最大值)

-

Budgetary Price (US$)* / Qty

1.6111 / 1k

Country of Origin

CHINA

L4971D

供货状态

批量生产

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.6111 / 1k

经销商的可用性L4971D

代理商名称
地区 库存 最小订购量 第三方链接
DIGIKEY WORLDWIDE 406 1 Buy from Distributor
COMPEL EUROPE 147 1 Buy from Distributor
FUTURE WORLDWIDE 1656 1 Buy from Distributor
MOUSER WORLDWIDE 2340 1 Buy from Distributor
Farnell Element14 EUROPE 2081 1 Buy from Distributor

代理商库存报告日期: 2021-12-01

代理商名称

DIGIKEY

库存

406

Min.Order

1

地区

WORLDWIDE Buy from Distributor

COMPEL

库存

147

Min.Order

1

FUTURE

库存

1656

Min.Order

1

地区

WORLDWIDE Buy from Distributor

MOUSER

库存

2340

Min.Order

1

地区

WORLDWIDE Buy from Distributor

Farnell Element14

库存

2081

Min.Order

1

代理商库存报告日期: 2021-12-01

ECCN (EU)

NEC

包装类型

Tube

封装

SO-16W

Operating Temperature (°C)

(最小值)

-

(最大值)

-

Budgetary Price (US$)* / Qty

1.6111 / 1k

Country of Origin

MALAYSIA

L4971D013TR

供货状态

批量生产

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.6111 / 1k

经销商的可用性L4971D013TR

代理商名称
地区 库存 最小订购量 第三方链接
DIGIKEY WORLDWIDE 1100 1 Buy from Distributor
Farnell Element14 EUROPE 137 1 Buy from Distributor

代理商库存报告日期: 2021-12-01

代理商名称

DIGIKEY

库存

1100

Min.Order

1

地区

WORLDWIDE Buy from Distributor

Farnell Element14

库存

137

Min.Order

1

代理商库存报告日期: 2021-12-01

ECCN (EU)

NEC

包装类型

Tape And Reel

封装

SO-16W

Operating Temperature (°C)

(最小值)

-

(最大值)

-

Budgetary Price (US$)* / Qty

1.6111 / 1k

Country of Origin

MALAYSIA

(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商