LMZ12001 - 具有 20V 最大输入电压的 1A、SIMPLE SWITCHER? 电源模块

LMZ12001是TI德州仪器公司的一款非隔离式模块产品，LMZ12001是具有 20V 最大输入电压的 1A、SIMPLE SWITCHER? 电源模块，本站介绍了LMZ12001的封装应用图解、特点和优点、功能等，并给出了与LMZ12001相关的TI元器件型号供参考。

LMZ12001 - 具有 20V 最大输入电压的 1A、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
Flexible Start-up Sequencing Using External Soft-start Capacitor 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 FPGAs and ASICs
Low Output Voltage Ripple
Pin-to-Pin Compatible With Family Devices:
- 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 WEBENCH® Power Designer Enabled
Electrical Specifications
- 6-W Maximum Total Power Output
- Up to 1-A Output Current
- Input Voltage Range 4.5 V to 20 V
- Output Voltage Range 0.8 V to 6 V
- Efficiency up to 92%
Performance Benefits
- Operates at High Ambient Temperature with no Thermal Derating
- High Efficiency Reduces System Heat Generation
- Low Radiated Emissions (EMI) Tested to EN55022 Class B Standard
- Low External Component Count

产品应用

Point-of-load Conversions from 5-V and 12-V Input Rail
Time-Critical Projects
Space Constrained High Thermal Requirement Applications
Negative Output Voltage Applications (See AN-2027 SNVA425)

产品说明

The LMZ12001 SIMPLESWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 1-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ12001 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ12001 can accept an input voltage rail between 4.5 V and 20 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ12001 only requires three external resistors and four external capacitors to complete the power solution. The LMZ12001 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 the device 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)
LMZ12001	NDW (7)	10.16 mm × 9.85 mm

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