L6984

批量生产
Design Win Education

36 V 400 mA同步降压开关稳压器

下载数据手册 Order Direct

产品概述

描述

The L6984 is a step-down monolithic switching regulator able to deliver up to 400 mA DC. The output voltage adjustability ranges from 0.9 V. The fixed 3.3 V VOUT requires no external resistor divider. The “Low Consumption Mode” (LCM) is designed for applications active during car parking, so it maximizes the efficiency at light load with controlled output voltage ripple. The “Low Noise Mode” (LNM) makes the switching frequency almost constant over the load current range, serving low noise application specification like car audio/sensors. The PGOOD open collector output can implement output voltage sequencing during the power-up phase. The synchronous rectification, designed for high efficiency at medium - heavy load, and the high switching frequency capability make the size of the application compact. Pulse-by-pulse current sensing on low-side power element implements an effective constant current protection.

  • 所有功能

    • 400 mA DC output current
    • 4.5 V to 36 V operating input voltage
    • Synchronous rectification
    • Low consumption mode or low noise mode
    • 75 μA IQ at light load (LCM VOUT = 3.3 V)
    • 13 μA IQ-SHTDWN
    • Adjustable fSW (250 kHz - 600 kHz)
    • Output voltage adjustable from 0.9 V
    • No resistor divider required for 3.3 V VOUT
    • VBIAS maximizes efficiency at light load
    • 350 mA valley current limit
    • Constant on-time control scheme
    • PGOOD open collector
    • Thermal shutdown

eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Thermal-electrical Simulators for Components

Signal Conditioning Design Tool

NFC/RFID Calculators

Choose design tool:

Power Supply Design Tool

SMPS design, by topology, by type and by product
PFC design with analog and digitial control
Supports various PCB configurations
Choose type:
DC/DC
AC/DC
太阳能电池充电器

LED Lighting Design Tool

Handles AC-DC and DC-DC design in common topologies
Displays interactive and annotated schematic
Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
Choose type:
DC/DC
AC/DC

Digital Power Workbench

Provides a step-by-step optimized design of power section and control loop
Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs
Choose type:
ZVS Totem Pole PFC
FB LLC
Vienna Rectifier
3-Level T-type Converter

Power Tree Designer

Specify input/output power for each node in the tree
Check for consistency
Design each individual node
Choose design tool:

AC Switches Simulator

Select ratings and application waveforms
Get junction temperature and blocking voltage graphs
Search and sort suitable devices

Rectifier Diodes Simulator

Select ratings and application waveforms
Estimate power losses
Search and sort suitable devices

STPOWER Studio

Supports long mission profiles
Provides power loss and temperature graphs
Helps define heatsink thermal properties

Twister Sim

Help select the right ViPOWER Automotive power device
Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
Supports various PCB configurations

TVS Simulator

Specify system ratings and surge waveform
Search and sort suitable devices
Choose design tool:

Active Filters

Handles multi-stage-designs and common topologies
Returns circuit component values
Provides gain, phase and group delay graphs
Low Pass, High Pass and Band Pass

Comparators

Handles most common configurations
Returns circuit components values
Provides I/O signal waveforms
Inverting, Non Inverting, Window

Low side Current Sensing

Returns circuit component values
Provides current error graphs

High side Current Sensing

Provides current error graphs.
Help to select the right High side current sensing and shunt devices.
Choose design tool:

NFC Inductance

Input geometry and substrate properties
Get antenna impedance

UHF Link Budget

Enter forward and reverse link characteristics
The tool returns link budget estimate

NFC Tuning Circuit

Enter antenna parameter and matching target
Select the topology of the matching network
The tool returns component values for the desired design targets

您可能还会喜欢...

EDA符号、封装和3D模型

STMicroelectronics - L6984

Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

Please select one model supplier :

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**
L6984ATR
批量生产
DFN10 3X3 工业 Ecopack2
L6984TR
批量生产
VFDFPN 4X4X1.0 10L PITCH 0.50 工业 Ecopack2

L6984ATR

Package:

DFN10 3X3

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

DFN10 3X3

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L6984TR

Package:

VFDFPN 4X4X1.0 10L PITCH 0.50

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

VFDFPN 4X4X1.0 10L PITCH 0.50

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

Swipe or click the button to explore more details Don't show this again
产品型号
Order from distributors
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
L6984ATR Available at distributors

经销商的可用性 L6984ATR

代理商名称
地区 库存 最小订购量 第三方链接

代理商库存报告日期:

无法联系到经销商,请联系我们的销售办事处
批量生产
EAR99 NEC Tape and Reel DFN10 3X3 - - THAILAND
L6984TR Available at distributors

经销商的可用性 L6984TR

代理商名称
地区 库存 最小订购量 第三方链接

代理商库存报告日期:

无法联系到经销商,请联系我们的销售办事处
批量生产
EAR99 NEC Tape and Reel VFDFPN 4X4X1.0 10L PITCH 0.50 - - THAILAND

L6984ATR 批量生产

封装:
DFN10 3X3
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

产品型号:

L6984ATR

ECCN (EU):

NEC

包装类型:

Tape and Reel

Operating Temperature (°C)

Min:

-

Max:

-

Country of Origin:

THAILAND

L6984TR 批量生产

封装:
VFDFPN 4X4X1.0 10L PITCH 0.50
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

产品型号:

L6984TR

ECCN (EU):

NEC

包装类型:

Tape and Reel

Operating Temperature (°C)

Min:

-

Max:

-

Country of Origin:

THAILAND

代理商名称

代理商库存报告日期:

Swipe or click the button to explore more details Don't show this again

(*) 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