TPS61099YFFR

Voltage Regulators - DC DC Switching Regulators Overview

The TPS61099YFFR is a synchronous boost converter from Texas Instruments designed for battery-powered applications requiring high efficiency at light loads. It operates with an input voltage range of 700 mV to 5.5 V and provides an adjustable output voltage between 1.8 V and 5.5 V. The device delivers a maximum output current of 800 mA with a typical quiescent current of 400 nA entering the VIN pin. It utilizes a hysteresis control topology to maximize efficiency in low-power scenarios. The component is housed in a compact 6-DSBGA package and supports true shutdown functionality.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Ultra-low quiescent current consumption optimized for extending battery life in portable devices
• Hysteresis control topology ensures high efficiency across varying load conditions
• True shutdown mode disconnects the load from the input source to minimize power drain
• Integrated synchronous rectification reduces external component count and improves performance

Voltage Regulators - DC DC Switching Regulators Applications

• Memory LCD bias voltage generation
• Optical heart rate monitor LED biasing
• Wearable electronic devices
• Low-power wireless communication modules
• Portable medical equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix YFFR against the manufacturer datasheet to confirm the package type, temperature grade, and reel specifications. Ensure compatibility with the intended PCB footprint for the 6-DSBGA configuration. Cross-reference the ordering information with official Texas Instruments documentation to validate availability and manufacturing status before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems powered by single-cell alkaline, NiMH, or lithium batteries where standby current is critical. The adjustable output voltage allows flexibility for various load requirements within the specified range. Consider the thermal characteristics of the DSBGA package for dense layouts. Verify that the required peak current does not exceed the internal switch limit for reliable operation under transient loads.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS61099 family of synchronous boost converters. The family is engineered for ultra-low power applications, featuring minimal static current draw. The YFFR designation specifically identifies the surface-mount variant in the small DSBGA package, distinguishing it from other package options like WSON or tape-and-reel variations within the same functional series.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the Texas Instruments TPS61099 datasheet for officially listed alternative part numbers within the same product line. Verify pinout compatibility and electrical parameter equivalence before substituting.