Overview
The LMZ21700SILR is a compact step-down DC/DC power module designed for efficient point‑of‑load power conversion in space‑constrained electronics. It is widely used in embedded systems, industrial automation controllers, and portable devices, where high efficiency, adjustable output, and minimal external components are required. The LMZ21700SILT variant offers the same electrical performance with a different packaging or supply format, giving design flexibility.
Core Parameters
| Parameter | Specification |
|---|---|
| Device Type | Step‑down DC/DC Power Module |
| Input Voltage Range | 3 V to 17 V |
| Output Voltage Range | 0.9 V to 6 V |
| Maximum Output Current | 650 mA |
| Efficiency | Up to 95% |
| Operating Temperature | -40°C to +125°C |
| Control Features | Enable, Power Good |
| Protection Features | Over‑temperature, UVLO, SCP |
| Package | 8‑SMD Nano Module |
These parameters make the device suitable for compact, high‑efficiency power supply designs, especially where space constraints and thermal performance are critical.
Features
- Integrated inductor and compensation network for simplified design
- High efficiency up to 95% reduces heat and improves battery life
- Wide input voltage range accommodates various power sources
- Adjustable output voltage from 0.9 V to 6 V
- Enable and Power Good pins for system control and sequencing
- Protection: over‑temperature, undervoltage lockout (UVLO), short‑circuit protection (SCP)
Typical Application Scenarios
- Point‑of‑load regulation in embedded processors and FPGAs
- Portable and battery‑powered electronic devices
- Industrial automation and control modules
- Communication equipment power rails
- Replacement for LDOs in moderate current systems
The LMZ21700SILR DC/DC power module is commonly used with the TCN4158M006R0055E polymer capacitor to enhance power supply performance. The capacitor provides bulk energy storage and output smoothing, ensuring stable voltage and improved transient response in compact designs.
Performance Comparison
| Feature | LMZ21700SILR | Linear Regulators | Discrete Buck (No Integrated Inductor) |
|---|---|---|---|
| Efficiency | Up to 95% | Low | Moderate |
| Component Count | Very Low | Very Low | High |
| Thermal Performance | Good | Poor | Moderate |
| Output Adjustability | Yes | No | Yes |
| Design Complexity | Low | Very Low | High |
Compared to linear regulators, the LMZ21700SILR achieves much higher efficiency and lower heat generation. Versus discrete buck converters without integrated inductors, it simplifies design and reduces PCB area while maintaining competitive performance.
Conclusion
The LMZ21700SILR is a reliable and efficient nano power module ideal for designers needing compact, high‑performance DC/DC conversion. With its integrated inductor, adjustable output, and robust protection features, it provides a simple yet powerful solution for point‑of‑load applications in embedded and industrial systems.
Manufacturer Profile
Texas Instruments (TI) is a global leader in analog and embedded processing technologies. TI’s SIMPLE SWITCHER® power modules, such as the LMZ21700 series, provide compact, integrated solutions that reduce design time and improve system efficiency in a wide range of applications.
FAQ
Q1: What is the input voltage range supported by the LMZ21700SILR?
The LMZ21700SILR supports an input voltage range from 3 V to 17 V, accommodating many battery and supply rails.
Q2: What output current can the LMZ21700SILR deliver?
It can deliver up to 650 mA of load current, making it suitable for moderate‑power point‑of‑load regulation.
Q3: How does the LMZ21700SILR handle efficiency?
The module achieves efficiency up to 95%, reducing heat generation and improving overall power conversion performance.
Q4: How can the quality of the LMZ21700SILR be verified?
7SEtronic has a complete and standardized quality inspection SOP, including label verification, visual inspection, and X‑RAY analysis, which can be used as a reference for quality assurance.
For more information and to review our available inventory, please contact our team for detailed pricing, current stock levels, and any additional technical support you may need.
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