Overview
The LM76002RNPT, produced by Texas Instruments, is a high-performance synchronous step-down DC-DC converter. This device is part of the LM76002/LM76003 family and is designed to drive up to 2.5 A of load current from an input voltage range of 3.5 V to 60 V. It offers exceptional efficiency and output accuracy, making it suitable for a wide range of applications. The LM76002RNPT features a small solution size and requires few external components, making it ideal for space-constrained designs. It also includes various system-level features such as synchronization to an external clock, power-good flag, precision enable, adjustable soft-start, and voltage tracking capability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.5 V to 60 V (65 V maximum) | V |
| Output Current | 2.5 A | A |
| Output Voltage Range | 1 V to 95% of VIN | V |
| Quiescent Current in Regulation | 15 µA | µA |
| Minimum Switch On-Time | 65 ns (typical) | ns |
| Minimum Switch Off-Time | 95 ns (typical) | ns |
| Adjustable Frequency Range | 300 kHz to 2.2 MHz | kHz/MHz |
| Thermal Shutdown Threshold | 160 °C | °C |
| Package Type | WQFN 30-pin leadless package with wettable flanks | - |
| Package Size | 6.00 mm × 4.00 mm | mm |
Key Features
- Integrated synchronous rectification for high efficiency
- Wide voltage conversion range with adjustable output voltage
- Synchronization to external clock and adjustable frequency range (300 kHz to 2.2 MHz)
- Power-good flag, precision enable, and adjustable soft-start (6.3 ms default)
- Voltage tracking capability and pin-selectable FPWM operation
- Protection features including cycle-by-cycle current limit, short-circuit protection with hiccup mode, and overtemperature thermal shutdown protection
- High-efficiency at light-load architecture (PFM) and automatic frequency foldback at light load
- Best-in-class EMI (CISPR22) and thermal performance
Applications
- Telecommunications infrastructure
- Asset and fleet management systems
- Video surveillance
- Programmable logic controllers
Q & A
- What is the input voltage range of the LM76002RNPT?
The input voltage range is from 3.5 V to 60 V, with a maximum of 65 V.
- What is the maximum output current of the LM76002RNPT?
The maximum output current is 2.5 A.
- What is the quiescent current in regulation for the LM76002RNPT?
The quiescent current in regulation is 15 µA.
- Does the LM76002RNPT support synchronization to an external clock?
- What are the protection features of the LM76002RNPT?
The protection features include cycle-by-cycle current limit, short-circuit protection with hiccup mode, and overtemperature thermal shutdown protection).
- What is the package type and size of the LM76002RNPT?
The package type is WQFN 30-pin leadless package with wettable flanks, and the size is 6.00 mm × 4.00 mm).
- Does the LM76002RNPT have adjustable frequency and soft-start features?
- What are some typical applications of the LM76002RNPT?
Typical applications include telecommunications infrastructure, asset and fleet management systems, video surveillance, and programmable logic controllers).
- How does the LM76002RNPT manage thermal performance?
The device is designed for best-in-class thermal performance with thermal vias preferred for heat sinking, and it includes overtemperature thermal shutdown protection).
- Does the LM76002RNPT support voltage tracking capability?
