A1117

AiT Semiconductor Inc. www.ait-ic.com A1117 1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR THERMAL PROTECTION AND 1.4A CURRENT LIMIT DESCRIPTION The A1117 is designed to provide 1A for requiring high efficiency applications. FEATURES Output Current of 1A Maximum Three-Terminal Adjustable or Fixed Outputs The A1117 series of positive fixed voltage (VOUT = 1.8V, 2.5V, 2.8V, 3.3V, 5V) and adjustable version, which can provide an output voltage from 1.25V to 13.8V with only two external resistors. Maximum Input Voltage: 15V Fast Transient Response Current Limit, Safe Operating and Thermal Shutdown Protection The A1117 offers current limiting and thermal protection to assure the stability of chip and power system. And the on chip trimming technique to guarantee output voltage accuracy within ±2%. The A1117 is available in SOT-223 and TO-252 packages. Line Regulation: 0.2% Load Regulation: 0.4% Environment Temperature: -50oC~+140oC Available in SOT-223 and TO-252 Package. APPLICATION High Efficiency Linear Regulators Post Regulator for Switching DC/DC Converter Power Management for M/B and Graphic Card TYPICAL APPLICATION 2.85V Model for SCSI-2 Active Termination Battery Charger LCD Monitor and LCD TV DVD Decode Board ADSL Modem ORDERING INFORMATION Adjustable Output Version VOUT=VREF(1+R2/R1)+IADJ*R2 The output of A1117-ADJ provides any output voltage between 1.25V~13.8V can be available by choosing two external resistors. Fixed Output Version Package Type Part Number...