Overview
The LMZ35003RKGR is a 2.5-A power module designed by Texas Instruments, offering a comprehensive integrated power solution. This module combines a DC/DC converter, a shielded inductor, and necessary passives within a compact QFN package. The small footprint of 9 mm × 11 mm × 2.8 mm makes it ideal for point-of-load designs, requiring as few as five external components. This design eliminates the need for loop compensation and magnetics part selection, simplifying the implementation process. The LMZ35003RKGR is suitable for powering a wide range of ICs and systems, providing high efficiency and excellent thermal performance.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage (VIN) | -0.3 | 65 | V | |
| Output Voltage (VOUT) | -0.6 | VIN | V | |
| Output Current (IOUT) | 2.5 | A | ||
| Switching Frequency (fSW) | 300 kHz | 1 MHz | ||
| Operating Junction Temperature | -40 | 105 | °C | |
| Storage Temperature | -65 | 150 | °C | |
| Junction-to-ambient thermal resistance (θJA) | 14 | °C/W | ||
| Weight | 0.9 grams |
Key Features
- Wide input voltage range from 7 V to 50 V
- Output adjustable from 2.5 V to 15 V
- 65-V surge capability
- Efficiencies up to 96%
- Adjustable switching frequency (300 kHz to 1 MHz)
- Synchronizes to an external clock
- Adjustable slow-start
- Output voltage sequencing and tracking
- Power good output
- Programmable undervoltage lockout (UVLO)
- Output overcurrent protection
- Over temperature protection
- Pre-bias output start-up
- Meets EN55022 Class B emissions
- Integrated shielded inductor
Applications
- Industrial and motor controls
- Automated test equipment
- Medical and imaging equipment
- High density power systems
Q & A
- What is the input voltage range of the LMZ35003RKGR?
The input voltage range is from 7 V to 50 V.
- What is the adjustable output voltage range?
The output voltage is adjustable from 2.5 V to 15 V.
- What is the maximum output current of the LMZ35003RKGR?
The maximum output current is 2.5 A.
- What are the switching frequency options for the LMZ35003RKGR?
The switching frequency can be adjusted from 300 kHz to 1 MHz.
- Does the LMZ35003RKGR have overcurrent protection?
- What is the operating junction temperature range of the LMZ35003RKGR?
The operating junction temperature range is from -40°C to 105°C.
- Does the LMZ35003RKGR meet any specific emissions standards?
- What type of inductor is integrated into the LMZ35003RKGR?
An integrated shielded inductor.
- What is the thermal resistance (θJA) of the LMZ35003RKGR?
The junction-to-ambient thermal resistance (θJA) is 14°C/W.
- What are some typical applications for the LMZ35003RKGR?
Industrial and motor controls, automated test equipment, medical and imaging equipment, and high density power systems.
