AMS1117-3.3

AMS1117: 1A Low Dropout Linear Regulator

Key Features:

• Output type: adjustable or fixed (1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5.0V)

• Output current: up to 1 A

• Low dropout: operates with 1 V input-output differential

• Max dropout voltage: 1.3 V at full load

• Line regulation: max 0.2%

• Load regulation: max 0.4%

• Operating temperature: −40 °C to +125 °C

• Packages: SOT-223, TO-252 (DPAK), 8-lead SOIC

• RoHS compliant

Applications:

• High-efficiency linear regulation

• Post regulators for switching power supplies

• 5 V to 3.3 V conversion

• Battery chargers

• Active SCSI termination

• Notebook power management

• Battery-operated instruments

General Description:

The AMS1117 series offers a family of adjustable and fixed low-dropout voltage regulators that deliver up to 1 A output current with only 1 V dropout. The device is internally trimmed for 1% reference voltage accuracy and features internal current limiting to reduce stress during overload conditions. These regulators are compatible with standard three-terminal linear regulators and are available in compact surface-mount packages.

Tags: AMS1117-3.3, LDO regulator, 3.3 V, 1A, SOT-223, linear power supply