LMZ22005 - 具有 20V 最大输入电压的 5A SIMPLE SWITCHER? 电源模块

LMZ22005是TI德州仪器公司的一款非隔离式模块产品，LMZ22005是具有 20V 最大输入电压的 5A SIMPLE SWITCHER? 电源模块，本站介绍了LMZ22005的封装应用图解、特点和优点、功能等，并给出了与LMZ22005相关的TI元器件型号供参考。

LMZ22005 - 具有 20V 最大输入电压的 5A 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 (650 kHz to 950 kHz)
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 for Easy Mounting and Manufacturing
Fast Transient Response for Powering FPGAs and ASICs
Fully Enabled for WEBENCH® Power Designer
Pin Compatible With LMZ23605/LMZ23603/LMZ22003
Electrical Specifications
- 30-W Maximum Total Output Power
- Up to 5-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
- Tested to EN55022 Class B(1)
- Low Component Count, Only 5 External Components
- Low Output Voltage Ripple
- Uses PCB as Heat Sink, No Airflow Required (1)

(1) EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See AN-2125 SNVA473 and layout for information on device under test. Vin = 12 V, Vo = 3.3 V, Io = 5 A

产品应用

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

产品说明

The LMZ22005 SIMPLESWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 5-A load. The LMZ22005 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ22005 can accept an input voltage rail between 6 V and 20 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ22005 only requires two external resistors and three external capacitors to complete the power solution. The LMZ22005 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. The sync input allows synchronization over the 650- to 950-kHz switching frequency range.

Device Information(1)(2)

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LMZ22005	NDW (7)	10.16 mm × 9.85 mm

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