LTC1986ES6#TRMPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC1986ES6#TRMPBF is a micro-power charge pump DC/DC converter designed for GSM SIM card power applications. It operates within an input voltage range of 2.6V to 4.4V and provides three modes: 5V output, 3V pass-through, and shutdown. The device delivers up to 10mA output current with a typical quiescent current of 14μA and shutdown current under 1μA. It features a 900kHz switching frequency, integrated short-circuit and thermal protection, and soft-start functionality. Packaged in a compact SOT-23 (TSOP6) format, it requires minimal external components.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Micro-power charge pump topology optimized for low battery drain in portable devices
• Integrated step-up regulation to maintain 2.9V output when input drops below 2.85V
• Built-in protection mechanisms including short-circuit, thermal shutdown, and inrush current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• GSM cellular phone SIM card power supply
• PCS/DCS telephone SIM interface circuits
• Portable POS terminal power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #TRMPBF against the manufacturer's official datasheet to confirm tape-and-reel packaging and lead-free compliance status. Ensure the component matches the required RoHS directive standards for your target market. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for space-constrained designs requiring a simple boost solution for SIM cards. It is suitable when input voltages vary between 2.6V and 4.4V and output currents do not exceed 10mA. Consider the SOT-23 package size if PCB area is limited to less than 0.045 square inches. Evaluate the 14μA quiescent current requirement against system battery life goals.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC1986 family of SIM power supplies manufactured by Analog Devices. It serves as a specialized power management IC for mobile communication devices. The ES6 designation indicates the specific package variant and temperature grade. It replaces older discrete solutions or larger regulators previously used in GSM handsets.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.