LMZ14202 - SIMPLE SWITCHER? 6V 至 42V、2A 电源模块，采用带引线 SMT-TO 封装

LMZ14202是TI德州仪器公司的一款非隔离式模块产品，LMZ14202是SIMPLE SWITCHER? 6V 至 42V、2A 电源模块，采用带引线 SMT-TO 封装，本站介绍了LMZ14202的封装应用图解、特点和优点、功能等，并给出了与LMZ14202相关的TI元器件型号供参考。

LMZ14202 - SIMPLE SWITCHER? 6V 至 42V、2A 电源模块，采用带引线 SMT-TO 封装 - 非隔离式模块 - 电源模块 - 德州仪器

产品特性

Integrated Shielded Inductor
Simple PCB Layout
Flexible Start-Up Sequencing Using External Soft-Start 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
Fast Transient Response for Powering FPGAs and ASICs
Low Output Voltage Ripple
Pin-to-Pin Compatible Family:
- LMZ14203/2/1 (42 V Maximum; 3 A, 2 A, 1 A)
- LMZ12003/2/1 (20 V Maximum; 3 A, 2 A, 1 A)
Fully Enabled for WEBENCH® Power Designer
Electrical Specifications
- 12-W Maximum Total Output Power
- Up to 2-A Output Current
- Input Voltage Range: 6 V to 42 V
- Output Voltage Range: 0.8 V to 6 V
- Efficiency up to 90%
Performance Benefits
- Operates at High Ambient Temperature With No Thermal Derating
- High Efficiency Reduces System Heat Generation
- Low Radiated Emissions (EMI) Tested With EN55022 Class B Standard
- Low External Component Count

产品应用

Point of Load Conversions from 12-V and 24-V Input Rail
Time-Critical Projects
Space Constrained and High Thermal Requirement Applications Easy-To-Use, 7-Pin Package PFM 7-Pin Package
Negative Output Voltage Applications (See AN-2027) SNVA425

产品说明

The LMZ14202, SIMPLE SWITCHER® power module is an easy-to-use step-down DC-DC that can drive up to 2-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ14202 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ14202 can accept an input voltage rail between 6 V and 42 V and deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ14202 only requires three external resistors and four external capacitors to complete the power solution. The LMZ14202 is a reliable and robust design with the following protection features: thermal shutdown, input undervoltage lockout, output overvoltage protection, short-circuit protection, output current limit, and allows start-up into a prebiased output. A single resistor adjusts the switching frequency up to 1 MHz.

Device Information(1)(2)

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LMZ14202	TO-PMOD (7)	10.16 mm × 9.85 mm

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