LM3207TL/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3207TL/NOPB is a synchronous step-down DC-DC converter designed for RF power amplifier applications. It operates with an input voltage range of 2.7V to 5.5V and delivers up to 650mA output current. The device integrates a precision reference LDO and supports a switching frequency of 2MHz. It features adjustable output voltage control via a pin-controlled interface, eliminating external feedback resistors. The component is housed in a 9-WFBGA package and functions within an operating temperature range of -30°C to 85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for improved efficiency
• Pin-controlled variable output voltage eliminates external feedback components
• Built-in low-dropout regulator (LDO) for stable reference supply
• Optimized architecture for WCDMA/CDMA RF power amplifier biasing

Voltage Regulators - DC DC Switching Regulators Applications

• WCDMA RF power amplifier power supply
• CDMA mobile phone bias circuits
• Portable handheld radio equipment
• RF card power management systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer origin, as National Semiconductor assets were acquired by Texas Instruments. Confirm the suffix NOPB indicates lead-free compliance and RoHS status. Ensure the package type matches the required 9-WFBGA footprint. Check for active status availability through authorized distributors to avoid obsolete stock issues.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing power supplies for RF power amplifiers requiring precise voltage adjustment without external resistors. It is suitable for portable devices needing high efficiency from a single-cell battery source. Consider the 650mA current limit and 2MHz switching frequency for EMI constraints. Verify thermal performance requirements for the specific PCB layout.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3207 family of miniaturized DC-DC converters. It is specifically engineered for portable wireless communication devices. The TL variant denotes the adjustable output version. The NOPB suffix signifies non-halogenated and lead-free construction compliant with environmental standards.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM3207TLEVNOPB or LM3207TLX variants depending on packaging preferences. Verify compatibility with Texas Instruments' updated product lines if sourcing from TI directly. Ensure substitute parts maintain the same 9-WFBGA footprint and electrical characteristics.