Overview
The LMZ10501SEE/NOPB is a 1-A nano module DC-DC converter produced by Texas Instruments, not National Semiconductor. It is part of the SIMPLE SWITCHER® family and is designed for space-constrained applications. This module integrates an inductor and simplifies the DC-DC converter board layout, making it an easy-to-use step-down DC-DC solution.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.7 to 5.5 | V |
| Output Voltage Range | 0.6 to 3.6 | V |
| Output Current | Up to 1 A | A |
| Efficiency | Up to 95% | % |
| Switching Frequency | Fixed 2.0 MHz | Hz |
| Package Type | 8-pin µSIP | |
| Package Size | 3.00 mm × 2.60 mm | mm |
| ESD Rating (HBM) | ±1000 V | V |
| ESD Rating (CDM) | ±250 V | V |
| Thermal Shutdown Temperature | 150°C (typ) | °C |
Key Features
- High efficiency up to 95%
- Internal current limit based soft-start function
- Current overload protection and thermal shutdown
- Integrated inductor with over 1.2A DC current rating and soft saturation profile
- Fixed 2.0-MHz PWM mode operation
- Dynamic output voltage adjustment between 0.6 V and 3.6 V
- Under voltage lock out (UVLO) circuit for proper operation during startup and shutdown
- Compact 8-pin µSIP footprint package
Applications
- Point of load conversions from 3.3-V and 5-V rails
- Space-constrained applications
- Low output noise applications
Q & A
- What is the input voltage range of the LMZ10501SEE/NOPB?
The input voltage range is from 2.7 V to 5.5 V.
- What is the output voltage range of the LMZ10501SEE/NOPB?
The output voltage range is from 0.6 V to 3.6 V.
- What is the maximum output current of the LMZ10501SEE/NOPB?
The maximum output current is up to 1 A.
- What is the switching frequency of the LMZ10501SEE/NOPB?
The switching frequency is fixed at 2.0 MHz.
- Does the LMZ10501SEE/NOPB have built-in protection features?
Yes, it includes current overload protection, thermal shutdown, and under voltage lock out (UVLO) circuit.
- How is the output voltage adjusted in the LMZ10501SEE/NOPB?
The output voltage can be dynamically adjusted between 0.6 V and 3.6 V by driving the V CON pin.
- What type of package does the LMZ10501SEE/NOPB come in?
The module comes in an 8-pin µSIP footprint package.
- What is the thermal shutdown temperature of the LMZ10501SEE/NOPB?
The thermal shutdown temperature is typically 150°C.
- Can the LMZ10501SEE/NOPB be used in space-constrained applications?
Yes, it is designed for space-constrained applications.
- How does the soft-start function work in the LMZ10501SEE/NOPB?
The soft-start function gradually increases the PFET current limit threshold to prevent large in-rush current and output overshoot during startup.
