LMZ22008 - 具有 20V 最大输入电压和电流共享的 8A SIMPLE SWITCHER? 电源模块

LMZ22008是TI德州仪器公司的一款非隔离式模块产品，LMZ22008是具有 20V 最大输入电压和电流共享的 8A SIMPLE SWITCHER? 电源模块，本站介绍了LMZ22008的封装应用图解、特点和优点、功能等，并给出了与LMZ22008相关的TI元器件型号供参考。

LMZ22008 - 具有 20V 最大输入电压和电流共享的 8A SIMPLE SWITCHER? 电源模块 - 非隔离式模块 - 电源模块 - 德州仪器

产品特性

Integrated Shielded Inductor
Simple PCB Layout
Frequency Synchronization Input (350 kHz to 600 kHz)
Current Sharing Capability
Flexible Start-up Sequencing Using External Soft-Start, Tracking and Precision Enable
Protection Against Inrush Currents and Faults such as Input UVLO and Output Short Circuit
Junction Temperature Range –40°C to 125°C
Single Exposed Pad and Standard Pinout for Easy Mounting and Manufacturing
Fully Enabled for WEBENCH® Power Designer
Pin Compatible With LMZ22010/06, LMZ12010/08/06, LMZ23610/08/06, and LMZ13610/08/06
Electrical Specifications
- 40-W Maximum Total Output Power
- Up to 8-A Output Current
- Input Voltage Range 6 V to 20 V
- Output Voltage Range 0.8 V to 6 V
- Efficiency up to 92%
Performance Benefits
- High Efficiency Reduces System Heat Generation
- Low Radiated Emissions (EMI) Tested to EN55022
- Only 7 External Components
- Low Output Voltage Ripple
- No External Heat Sink Required
- Simple Current Sharing for Higher Current Applications

EN 55022:2006, +A1:2007, FCC Part 15 Subpart B, tested on Evaluation Board with EMI configuration.

产品应用

Point-of-load Conversions from 12-V Input Rail
Time-Critical Projects
Space Constrained and High Thermal Requirement Applications
Negative Output Voltage Applications See AN-2027 SNVA425

产品说明

The LMZ22008 SIMPLESWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 8-A load. The LMZ22008 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ22008 can accept an input voltage rail between 6 V and 20 V and deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ22008 only requires two external resistors and external capacitors to complete the power solution.

The LMZ22008 is a reliable and robust design with the following protection features: thermal shutdown, programmable input undervoltage lockout, output overvoltage protection, short circuit protection, output current limit, and allows start-up into a prebiased output.

The sync input allows synchronization over the 314- to 600-kHz switching frequency range and up to 6 modules can be connected in parallel for higher load currents.

Device Information(1)(2)

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LMZ22008	NDY (11)	15.00 mm × 15.00 mm

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