LMZ10503EXT - 具有 5.5V 最大输入电压的 3A SIMPLE SWITCHER 电源模块，用于军事和坚固耐用的应用

LMZ10503EXT是TI德州仪器公司的一款非隔离式模块产品，LMZ10503EXT是具有 5.5V 最大输入电压的 3A SIMPLE SWITCHER 电源模块，用于军事和坚固耐用的应用，本站介绍了LMZ10503EXT的封装应用图解、特点和优点、功能等，并给出了与LMZ10503EXT相关的TI元器件型号供参考。

LMZ10503EXT - 具有 5.5V 最大输入电压的 3A SIMPLE SWITCHER 电源模块，用于军事和坚固耐用的应用 - 非隔离式模块 - 电源模块 - 德州仪器

产品特性

Integrated Shielded Inductor
Flexible Start-up Sequencing Using External Soft-Start, Tracking, and Precision Enable
Protection Against In-Rush Currents and Faults Such as Input UVLO and Output Short-Circuit
Single Exposed Pad and Standard Pinout for Easy Mounting and Manufacturing
Pin-to-Pin Compatible With
- LMZ10504EXT (4-A/20-W Maximum)
- LMZ10505EXT (5-A/25-W Maximum)
Fast Transient Response for Powering FPGAs and ASICs
Electrical Specifications
- 15-W Maximum Total Output Power
- Up to 3-A Output Current
- Input Voltage Range 2.95 V to 5.5 V
- Output Voltage Range 0.8 V to 5 V
- ±1.63% Feedback Voltage Accuracy Over Temperature
Performance Benefits
- Operates at High Ambient Temperatures
- Low Radiated Emissions (EMI) Tested to EN55022 Class B Standard
- Passes 10-V/m Radiated Immunity EMI Tested to Standard EN61000 4-3
- Passes Vibration Standard
  - MIL-STD-883 Method 2007.2 Condition A
  - JESD22-B103B Condition 1
- Passes Drop Standard
  - MIL-STD-883 Method 2002.3 Condition B
  - JESD22-B110 Condition B

EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See Figure 21 and layout for information on device under test.

产品应用

Point-of-Load Conversions From 3.3-V and 5-V Rails
Space-Constrained Applications
Noise-Sensitive Applications (Such as Transceiver, Medical)

产品说明

The LMZ10503EXT SIMPLESWITCHER® power module is a complete, easy-to-use, DC-DC solution capable of driving up to a 3-A load with exceptional power conversion efficiency, output voltage accuracy, line and load regulation. The LMZ10503EXT is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ10503EXT can accept an input voltage rail between 2.95 V and 5.5 V, and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. 1-MHz fixed-frequency PWM switching provides a predictable EMI characteristic. Two external compensation components can be adjusted to set the fastest response time, while allowing the option to use ceramic or electrolytic output capacitors. Externally programmable soft-start capacitor facilitates controlled start-up. The LMZ10503EXT is a reliable and robust solution with the following features: lossless cycle-by-cycle peak current limit to protect for over current or short-circuit fault, thermal shutdown, input undervoltage lockout, and prebiased start-up. The LMZ10503EXT is also fully-enabled for WEBENCH® and Power Designer tools.

Device Information(1)(2)

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LMZ10503EXT	TO-PMOD (7)	9.85 mm × 10.16 mm

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