LT1965EQ-1.8#PBF

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The LT1965EQ-1.8#PBF is a low noise, low dropout linear regulator from Analog Devices Inc., housed in a 5-lead plastic DD-Pak package. It provides a fixed regulated output voltage of 1.8V with a maximum output current of 1.1A. The device features a typical dropout voltage of 310mV at full load and operates with a quiescent current of 600µA. It supports an input voltage range from 2.3V to 20V and includes a shutdown pin for power management. The component is rated for an operating junction temperature range of –40°C to 125°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Provides 1.1A output current with low dropout voltage characteristics
• Incorporates a shutdown pin for low power state control
• Features reverse-input and reverse-output protection capabilities
• Designed for stable operation with ceramic output capacitors

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Battery-powered systems requiring efficient power management
• Noise-sensitive analog and mixed-signal circuits
• Portable equipment needing low quiescent current regulators
• Systems utilizing backup batteries with reverse voltage protection needs

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific ordering suffix #PBF indicates lead-free finish and RoHS compliance when sourcing. Confirm the EQ designation corresponds to the E-grade temperature rating of –40°C to 125°C. Ensure the DD-Pak package type matches your PCB footprint requirements. Check for any recent product change notices regarding package or material updates from the manufacturer.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this part for applications requiring a fixed 1.8V rail with high current capability. Consider the thermal performance of the DD-Pak package for heat dissipation needs. Evaluate the input voltage range against your supply rails to ensure adequate headroom. Compare quiescent current specifications if battery life is a critical design constraint.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This component belongs to the LT1965 series of low dropout linear regulators. The series offers various fixed output voltages and adjustable versions. The EQ variant specifically denotes the E-grade temperature range within the DD-Pak package option. Other packages in the series include DFN, MSOP, and TO-220 configurations.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

LT1965IQ-1.8#PBF: Identical electrical specifications but rated for industrial temperature range.