Overview
The LMZ30604RKGR is a 4-A power module designed by Texas Instruments, offering a comprehensive integrated power solution in a compact QFN package. This module combines a DC/DC converter, power MOSFETs, a shielded inductor, and necessary passives, making it an ideal choice for point-of-load applications. The device is characterized by its small footprint and low-profile design, measuring 9 mm × 11 mm × 2.8 mm, and is pin-compatible with the LMZ30602 and LMZ30606 models. It provides high efficiency, up to 96%, and excellent thermal performance with a thermal impedance of 12°C/W junction to ambient.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 2.95 | 6 | V | |
| Output Current | 4 | A | ||
| Output Voltage Range | 0.8 | 3.6 | V | |
| Switching Frequency Range | 500 kHz | 2 MHz | ||
| Efficiency | Up to 96% | % | ||
| Operating Temperature Range | -40°C | 85°C | °C | |
| Thermal Impedance | 12 | °C/W | ||
| Package Dimensions | 9 mm × 11 mm × 2.8 mm |
Key Features
- Complete integrated power solution in a small footprint, low-profile QFN package.
- Wide-output voltage adjustment range from 0.8 V to 3.6 V with ±1% reference accuracy.
- Adjustable switching frequency from 500 kHz to 2 MHz and synchronization to an external clock.
- Adjustable slow-start and output voltage sequencing/tracking capabilities.
- Power good output, programmable undervoltage lockout (UVLO), output overcurrent protection, and overtemperature protection.
- Enhanced thermal performance and meets EN55022 Class B emissions standards.
- Integrated shielded inductor and minimal external component requirements.
Applications
- Broadband and communications infrastructure.
- Automated test and medical equipment.
- Compact PCI, PCI Express, and PXI Express systems.
- DSP and FPGA point of load applications.
- High-density distributed power systems.
Q & A
- What is the input voltage range of the LMZ30604RKGR?
The input voltage range is from 2.95 V to 6 V.
- What is the maximum output current of the LMZ30604RKGR?
The maximum output current is 4 A.
- What is the output voltage adjustment range of the LMZ30604RKGR?
The output voltage can be adjusted from 0.8 V to 3.6 V.
- What is the switching frequency range of the LMZ30604RKGR?
The switching frequency can be adjusted from 500 kHz to 2 MHz.
- Does the LMZ30604RKGR have thermal protection?
Yes, it includes overtemperature protection with a thermal shutdown at 175°C and a hysteresis of 15°C.
- What is the thermal impedance of the LMZ30604RKGR?
The thermal impedance is 12°C/W junction to ambient.
- Is the LMZ30604RKGR pin-compatible with other models?
Yes, it is pin-compatible with the LMZ30602 and LMZ30606 models.
- What are the key applications of the LMZ30604RKGR?
Key applications include broadband and communications infrastructure, automated test and medical equipment, and DSP and FPGA point of load applications.
- How can the output voltage be adjusted on the LMZ30604RKGR?
The output voltage can be adjusted by connecting a resistor between the VADJ pin and AGND, and ensuring the SENSE+ pin is connected to VOUT.
- Does the LMZ30604RKGR have power good and fault indicators?
Yes, it includes a power good output with specific thresholds for rising and falling VOUT conditions.
