LMZ14203H - 3A SIMPLE SWITCHER® Power Module with 42V Maximum Input

LMZ14203H是TI德州仪器公司的一款非隔离式模块产品，LMZ14203H是3A SIMPLE SWITCHER® Power Module with 42V Maximum Input，本站介绍了LMZ14203H的封装应用图解、特点和优点、功能等，并给出了与LMZ14203H相关的TI元器件型号供参考。

LMZ14203H - 3A SIMPLE SWITCHER® Power Module with 42V Maximum Input - 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
Input UVLO and Output Short-Circuit Protection
–40°C to 125°C Junction Temperature Range
Single Exposed Pad and Standard Pinout for Easy Mounting and Manufacturing
Low Output Voltage Ripple
Pin-to-Pin Compatible Family:
- LMZ14203H/2H/1H (42 V Maximum, 3-A, 2-A, 1-A)
- LMZ14203/2/1 (4 2V 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
- Up to 3-A Output Current
- Input Voltage Range 6 V to 42 V
- Output Voltage as Low as 5 V
- Efficiency up to 97%
Performance Benefits
- High Efficiency Reduces System Heat Generation
- Low Radiated EMI (EN 55022 Class B Tested)
- No Compensation Required
- Low Package Thermal Resistance

EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007

产品应用

Intermediate Bus Conversions to 12-V and 24-V Rail
Time-Critical Projects
Space Constrained and High Thermal Requirement Applications
Negative Output Voltage Applications

产品说明

The LMZ14203H SIMPLESWITCHER® power module is an easy-to-use step-down DC-DC solution that can drive up to 3-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ14203H is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ14203H can accept an input voltage rail between 6 V and 42 V and deliver an adjustable and highly accurate output voltage as low as 5 V. The LMZ14203H only requires three external resistors and four external capacitors to complete the power solution. The LMZ14203H 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)
LMZ14203H	TO-PMOD (7)	10.16 mm × 9.85 mm

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