LP3983

LP3983 www.ti.com SNVS213A – MAY 2004 – REVISED MARCH 2013 LP3983 Micropower, Low Quiescent Current, CMOS Voltage Regulator in DSBGA Package Check for Samples: LP3983 FEATURES 1 2 Miniature 5 Pin Package Logic Controlled Enable No Noise Bypass Capacitor Required Stable with Low ESR Ceramic Capacitors Fast Turn ON Short Circuit Protection APPLICATIONS GSM Portable Phones CDMA Cellular Handsets Bluetooth Devices Portable Information Appliances KEY SPECIFICATIONS Input Voltage Range: 2.5V to 6.0V Output Voltages: 1.6V, 1.8V, and 2.5V Output Current: 5 mA Output Capacitors: 1µF Low ESR Virtually Zero IQ (Disabled): 1.0 µA Low IQ (Enabled): 14 µA PSRR: 10 dB Fast Start Up: 170 µs DESCRIPTION The LP3983 is a fixed voltage low current regulator. The LP3983 is ideally suited to standby type applications in battery powered equipment, it allows the lifetime of the battery to be maximized. The device can be controlled via an Enable(disable) control and can thus be used by the system to further extend the battery lifetime by reducing the power consumption to virtually zero. Performance is specified for a -40°C to 125°C temperature range. For output voltages other than those stated and alternative package options, please contact your local NSC sales office. Package 5 Bump Thin DSBGA Package Typical Application Circuit LP3983 C3 VIN VIN CIN 1.0uF C1 VOUT VOUT COUT 1.0uF On/Off Control, Active high No Connection A1 Enable A3 N/C Gnd B2...