YD1117

www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD1117 LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS—YD1117 DESCRIPTION The YD1117 is a LOW DROP Voltage Regulator able to provide up to 800mA of Output Current, available even in adjustable version(Vref=1.25V). FEATURES *Low dropout voltage (1V typ) *2.85V Device performances are suitable for scsi-2 active termination *Output current up to 800mA *Fixed output voltage of :2.5V, 2.85V, 3.0V, 3.3V, 5.0V *Adjustable version availability (Vref=1.25V) *Internal current and thermal limit *Available in ±1%(at 25℃)and 2% in all temperature range *Supply voltage rejection : 75dB(TYP) BLOCK DIAGRAM 3 VOLTAGE GENERATOR CURRENT GENERATOR + - THERMAL PROTECTION THERMAL COMPENSATION ↓ 2 1 WuXi YouDa Electronics Co., Ltd Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China Tel: 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 1 of 6 Website: www.e-youda.com 2006-7-10 SHENZHEN OFFICE Tel： 86-755-83740369 Fax： 86-755-83741418 Ver 5.0 www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Tamb=25℃) PARAMETER DC Input Voltage Power Dissipation Storage Temperature Range Operating Junction Temperature Range SYMBOL VIN Ptot Tsty Top VALUE 15 12 -40 to 150 0 to 125 YD1117 UNIT V W ℃ ℃ ELECTRICAL CHARACTERISTICS FOR YD1117#25 (refer to the test circuits, Tj=0 to 125℃, Co=10μF Unless otherwise specified) PARAMETER Output Voltage Output Voltage Line Regulation Load Regu...