ADP1706ACPZ-1.2-R7

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

The ADP1706ACPZ-1.2-R7 is a CMOS low dropout linear regulator manufactured by Analog Devices Inc. It provides a fixed output voltage of 1.2 V with a maximum output current of 1 A. The device operates from an input voltage range of 2.5 V to 5.5 V and features a shutdown current of less than 1 µA. Initial accuracy is ±1%, with overall accuracy over line, load, and temperature at ±2.5%. It utilizes a small 4.7 µF ceramic output capacitor for stability and includes programmable soft start functionality via an external capacitor connected to the SS pin.

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

• Features a proprietary architecture delivering high power supply rejection and excellent transient response using minimal external capacitance.
• Includes logic-controlled enable and programmable soft start capabilities to manage startup sequencing and inrush current.
• Integrates comprehensive protection mechanisms against current overload and thermal conditions to ensure operational safety.

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

• Notebook computers
• Memory components
• DSP/FPGA/microprocessor supplies
• Instrumentation equipment/data acquisition systems

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

Verify component authenticity through authorized channels as counterfeit risks exist. Confirm package integrity and lead condition upon receipt. Ensure storage conditions comply with moisture sensitivity levels specified in the datasheet. Validate that the received part matches the ordering code exactly before integration into production workflows.

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

Select this regulator when a stable 1.2 V rail is required for sensitive digital loads within a 2.5 V to 5.5 V input system. The LFCSP package suits space-constrained designs requiring efficient heat dissipation. Consider the external soft start requirement if precise voltage ramp control is necessary for system sequencing.

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

This component belongs to the ADP1706/ADP1707/ADP1708 family of 1 A low dropout regulators. While the ADP1707 offers tracking and the ADP1708 allows adjustable outputs, the ADP1706 variant specifically supports external soft start programming. All models share similar electrical characteristics and packaging options for flexible design implementation.

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

Direct substitutes include other ADP1706ACPZ variants with different fixed output voltages, such as ADP1706ACPZ-1.05-R7 or ADP1706ACPZ-3.3-R7, provided the voltage requirement changes. Cross-family replacements like the ADP1707ACPZ series are possible but require circuit modifications to accommodate internal soft start differences.