Overview
The LMZ23603TZ/NOPB is a 3-A SIMPLE SWITCHER® power module from Texas Instruments, designed to provide a reliable and efficient step-down DC-DC solution. This module is capable of driving up to 3-A load and can accept an input voltage rail between 6 V and 36 V, delivering an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ23603 is available in an innovative TO-PMOD-7 package that enhances thermal performance and allows for hand or machine soldering. It features a simple PCB layout and requires only two external resistors and three external capacitors to complete the power solution.
Key Specifications
| Parameter | Value |
|---|---|
| Maximum Output Current (Iout) | 3 A |
| Input Voltage Range (Vin) | 6 V to 36 V |
| Output Voltage Range (Vout) | 0.8 V to 6 V |
| Maximum Total Output Power | 18 W |
| Switching Frequency Range | 650 kHz to 950 kHz |
| Operating Temperature Range | -40°C to 85°C |
| Junction Temperature Range | -40°C to 125°C |
| Efficiency | Up to 92% |
| Package | TO-PMOD-7 |
| Pins | 7 |
Key Features
- Integrated Shielded Inductor
- Simple PCB Layout
- Frequency Synchronization Input (650 kHz to 950 kHz)
- Flexible Startup Sequencing Using External Soft-start, Tracking, and Precision Enable
- Protection Against Inrush Currents and Faults such as Input UVLO and Output Short Circuit
- Thermal Shutdown, Programmable Input Undervoltage Lockout, Output Overvoltage Protection, and Output Current Limit
- Single Exposed Pad and Standard Pinout for Easy Mounting and Manufacturing
- Fast Transient Response for Powering FPGAs and ASICs
- Fully Enabled for WEBENCH Power Designer
- Pin Compatible With LMZ22005/LMZ23605/LMZ22003
- High Efficiency Reduces System Heat Generation
- Tested to EN55022 Class B
- Low Component Count (Only 5 External Components)
- Low Output Voltage Ripple
- Uses PCB as Heat Sink, No Airflow Required
Applications
The LMZ23603TZ/NOPB is suitable for a wide range of applications, including:
- Industrial Automation: Powering industrial automation devices such as sensors, actuators, and controllers.
- Automotive Systems: Used in automotive systems where high reliability and efficiency are critical.
- Telecommunications: Powering telecommunications equipment such as routers, switches, and servers.
Q & A
- Q: What is the maximum output current of the LMZ23603TZ/NOPB?
A: The maximum output current is 3 A. - Q: What is the input voltage range of the LMZ23603TZ/NOPB?
A: The input voltage range is 6 V to 36 V. - Q: What is the output voltage range of the LMZ23603TZ/NOPB?
A: The output voltage range is 0.8 V to 6 V. - Q: What is the maximum total output power of the LMZ23603TZ/NOPB?
A: The maximum total output power is 18 W. - Q: What is the switching frequency range of the LMZ23603TZ/NOPB?
A: The switching frequency range is 650 kHz to 950 kHz. - Q: What protection features does the LMZ23603TZ/NOPB have?
A: It includes thermal shutdown, programmable input undervoltage lockout, output overvoltage protection, short circuit protection, and output current limit. - Q: How many external components are required to complete the power solution?
A: Only 5 external components are required (two resistors and three capacitors). - Q: Is the LMZ23603TZ/NOPB compatible with other Texas Instruments power modules?
A: Yes, it is pin compatible with LMZ22005/LMZ23605/LMZ22003. - Q: What is the efficiency of the LMZ23603TZ/NOPB?
A: The efficiency is up to 92%. - Q: Does the LMZ23603TZ/NOPB require airflow for cooling?
A: No, it uses the PCB as a heat sink and does not require airflow.
