STEVAL-L6981CDR

批量生产
Design Win

38 V, 1.5 A synchronous step-down switching regulator evaluation board based on the L6981CDR for industrial power systems

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产品概述

描述

The STEVAL-L6981CDR evaluation board is based on the L6981CDRsynchronous monolithic step-down regulator capable of delivering up to 1.5 A DC.

Its wide input voltage range makes the device suitable for a broad range of applications.

The device implements peak current mode architecture in an SO 8L package with internal compensation to minimize design complexity and size.

The L6981CDR is available in low consumption mode (LCM) and low noise mode (LNM) versions.

LCM maximizes efficiency at light load with controlled output voltage ripple, making the device extremely suitable for battery-powered applications.

LNM makes the switching frequency constant and minimizes the output voltage ripple overload current range, meeting the specification for noise sensitive applications.

The EN pin manages the enable/disable function. The typical shutdown current is 2 μA when disabled. When the EN pin is pulled up, the device is enabled and the internal 1.3 ms soft-start takes place.

Pulse-by-pulse current sensing on both power elements implements effective constant current protection while thermal shutdown prevents thermal run-away.

  • 所有功能

    • 3.5 V to 38 V operating input voltage
    • Output voltage from 0.85 V to VIN
    • 1.5 A DC output current
    • Internal compensation network
    • Two different versions: LCM for high efficiency at light loads and LNM for noise sensitive applications
    • 2 μA shutdown current
    • Internal soft-start
    • Enable function
    • Overvoltage protection
    • Output voltage sequencing
    • Thermal protection
    • SO 8L package
    • Synchronization with external clock for LNM devices

质量与可靠性

产品型号 Marketing Status 等级规格 符合RoHS级别 WEEE Compliant 材料声明**
STEVAL-L6981CDR
批量生产
CARD 工业 Ecopack2 Yes

STEVAL-L6981CDR

Package:

CARD

Material Declaration**:

Marketing Status

批量生产

Package

CARD

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) 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

样片和购买

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核心产品
Board production status
STEVAL-L6981CDR
Available at distributors

经销商的可用性 STEVAL-L6981CDR

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STEVAL-L6981CDR 批量生产

Budgetary Price (US$)*/Qty:
-
包:
包装类型:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

产品型号:

STEVAL-L6981CDR

供应商:

ST

核心产品:

L6981CDR

Board production status:

-

代理商名称

代理商库存报告日期:

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(*) 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