产品概述
描述
The L7986/A is a step-down switching regulator with a 3.7 A (minimum) current limited embedded power MOSFET, so it is able to deliver up to 3 A current to the load depending on the application conditions. The input voltage can range from 4.5 V to 38 V, while the output voltage can be set starting from 0.6 V to VIN. Requiring a minimum set of external components, the device includes an internal 250 kHz switching frequency oscillator that can be externally adjusted up to 1 MHz. The DFN and the HSOP packages with exposed pad allow reducing the RthJAdown to 60 °C/W and 40 °C/W respectively.
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所有功能
- 3 A DC output current
- 4.5 V to 38 V input voltage
- Output voltage adjustable from 0.6 V
- 250 kHz switching frequency, programmable up to 1 MHz
- Internal soft-start and enable
- Low dropout operation: 100% duty cycle
- Voltage feed-forward
- Zero load current operation
- Overcurrent and thermal protection
- VFDFPN 3 x 3 - 10L and HSOP8 package
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
Power Supply Design Tool
SMPS design, by topology, by type and by product PFC design with analog and digitial control Supports various PCB configurations 
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 
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 
Power Tree Designer
Specify input/output power for each node in the tree Check for consistency Design each individual node 
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 
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Supports long mission profiles Provides power loss and temperature graphs Helps define heatsink thermal properties 
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Help select the right ViPOWER Automotive power device Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis Supports various PCB configurations 
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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 
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Provides current error graphs. Help to select the right High side current sensing and shunt devices. 
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Enter forward and reverse link characteristics The tool returns link budget estimate 
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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...
特别推荐
EDA符号、封装和3D模型
STMicroelectronics - L7986
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.
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符号
封装
3D模型
全部资源
| 资源标题 | 版本 | 更新时间 |
|---|
SPICE models (1)
| 资源标题 | 版本 | 更新时间 | ||
|---|---|---|---|---|
| ZIP | 22 Sep 2016 | 22 Sep 2016 |
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** |
|---|---|---|---|---|---|
| L7986A | 批量生产 | PowerSO-8 | 工业 | Ecopack2 | |
| L7986ATR | 批量生产 | PowerSO-8 | 工业 | Ecopack2 | |
| L7986TR | 批量生产 | DFN10 3X3 | 工业 | 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
| 产品型号 | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | 封装 | 包装类型 | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | 温度（ºC） | Operating Temperature (°C) (min) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | |||||||||||||
| L7986ATR | | | distributors 无法联系到经销商，请联系我们的销售办事处 | PowerSO-8 | Tape and Reel | PHILIPPINES | EAR99 | NEC | - | - | - | |||
| L7986TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 | DFN10 3X3 | Tape and Reel | CHINA | EAR99 | NEC | - | - | - | |||
| L7986A | | | distributors 无法联系到经销商，请联系我们的销售办事处 | PowerSO-8 | Tube | PHILIPPINES | EAR99 | NEC | - | - | - | |||
L7986ATR 批量生产
L7986TR 批量生产
L7986A 批量生产