Overview
The LMZ30606RKGT is a 6A power module from Texas Instruments, designed as a SIMPLE SWITCHER® integrated power solution. This module combines a DC/DC converter, power MOSFETs, a shielded inductor, and passives into a compact QFN package. The device is pin-compatible with the LMZ30602 and LMZ30604, making it a versatile option for various applications. It features a small footprint of 9mm x 11mm x 2.8mm, which is ideal for point-of-load designs requiring high efficiency and excellent thermal performance.
The LMZ30606RKGT operates with input voltages ranging from 2.95V to 6V and can deliver output voltages adjustable from 0.8V to 3.6V with ±1% reference accuracy. It achieves efficiencies of up to 96% and supports a wide range of switching frequencies from 500 kHz to 2 MHz. The module also includes advanced features such as power good output, programmable undervoltage lockout (UVLO), output overcurrent protection, and overtemperature protection.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage Range | 2.95 | - | 6 | V |
| Output Voltage Range | 0.8 | - | 3.6 | V |
| Output Current | - | - | 6 | A |
| Switching Frequency Range | 500 kHz | - | 2 MHz | - |
| Efficiency | - | - | Up to 96% | % |
| Operating Temperature Range | -40°C | - | 85°C | °C |
| Thermal Impedance (Junction to Ambient) | - | - | 12°C/W | °C/W |
| External Input Capacitance (Ceramic) | 47 µF | - | - | µF |
| External Output Capacitance (Ceramic) | 47 µF | - | - | µF |
| Weight | - | - | 0.85 grams | grams |
| Flammability | - | - | Meets UL 94 V-O | - |
Key Features
- Complete integrated power solution in a compact QFN package (9mm x 11mm x 2.8mm)
- Pin-compatible with LMZ30602 and LMZ30604
- Efficiencies up to 96%
- Wide-output voltage adjustment range (0.8V to 3.6V) with ±1% reference accuracy
- Adjustable switching frequency (500 kHz to 2 MHz) and synchronization to an external clock
- Adjustable slow-start and output voltage sequencing/tracking
- Power good output and programmable undervoltage lockout (UVLO)
- Output overcurrent protection and overtemperature protection
- Enhanced thermal performance with a thermal impedance of 12°C/W
- Meets EN55022 Class B emissions standards
- Integrated shielded inductor
Applications
- Broadband and communications infrastructure
- Automated test and medical equipment
- Compact PCI / PCI Express / PXI Express
- DSP and FPGA point of load applications
- High density distributed power systems
Q & A
- What is the input voltage range of the LMZ30606RKGT?
The input voltage range is from 2.95V to 6V.
- What is the maximum output current of the LMZ30606RKGT?
The maximum output current is 6A.
- What is the switching frequency range of the LMZ30606RKGT?
The switching frequency range is from 500 kHz to 2 MHz.
- How does the LMZ30606RKGT protect against overcurrent conditions?
The device uses cycle-by-cycle current limiting and frequency foldback to protect against overcurrent conditions.
- What is the thermal impedance of the LMZ30606RKGT?
The thermal impedance is 12°C/W (junction to ambient).
- Does the LMZ30606RKGT support synchronization to an external clock?
Yes, it supports synchronization to an external clock.
- What is the operating temperature range of the LMZ30606RKGT?
The operating temperature range is from -40°C to 85°C.
- How does the remote sense feature improve regulation in the LMZ30606RKGT?
The remote sense feature improves load regulation by compensating for I-R voltage drops between the output pins and the load.
- What are the flammability standards met by the LMZ30606RKGT?
The device meets UL 94 V-O flammability standards.
- Can the LMZ30606RKGT be used in high-density distributed power systems?
Yes, it is suitable for high-density distributed power systems.
