LM2665M6

Voltage Regulators - DC DC Switching Regulators Overview

The LM2665M6 is a switched capacitor voltage converter manufactured by Texas Instruments, housed in a SOT-23-6 surface-mount package. It operates with an input voltage range of 2.5V to 5.5V and delivers a fixed output current of 40mA. The device functions as a charge pump topology capable of generating outputs of 2Vin or Vin/2. It switches at a frequency of 80kHz and supports positive output configurations. The component is rated for junction temperatures between -40°C and 85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Capable of generating positive output voltages using either a voltage doubling (2Vin) or halving (Vin/2) ratio configuration.
• Utilizes a switched capacitor charge pump topology to regulate DC-DC conversion without requiring inductors.
• Integrates a fixed switching frequency of 80kHz to simplify external component selection.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices requiring voltage inversion or doubling
• LCD bias voltage generation in handheld electronics
• Interface circuits needing negative supply rails from single positive sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation when ordering, as the base part number may correspond to legacy or non-compliant variants. Confirm RoHS status and lead times through authorized distributors, as availability varies by packaging type. Ensure the selected variant matches the required pinout and marking specifications for your PCB layout.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing compact power systems that require voltage transformation without magnetic components. Evaluate the 40mA output limit against load requirements to ensure adequate performance. Consider the 80kHz switching frequency for noise sensitivity in adjacent signal paths within the application circuit.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM266x family of switched capacitor converters from Texas Instruments. These parts are designed for low-power applications where size constraints prohibit the use of inductive regulators. The family offers various output configurations and current capabilities to suit different portable electronic needs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2665M6X/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What output voltage ratios does the LM2665M6 support?

The device supports two fixed output configurations: a voltage doubler (2Vin) and a voltage halver (Vin/2).

Is the LM2665M6 synchronous?

No, the LM2665M6 uses a non-synchronous charge pump topology.