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| Advanced Monolithic Systems FEATURES * 0.6V to 6V in 100mV increments Voltages Available * Active High On/Off Control * Output Current of 500mA * Quiescent Current of <1A when in Shutdown * Low Dropout Voltage of 250mV at 500mA * Wide Supply Voltage Range 1.5V to 15V * Short Circuit and Thermal Protection * Power Good function option * Ceramic Output Capacitor OK * Reference bypass for low noise AMS3106 500mA LOW DROPOUT VOLTAGE REGULATOR RoHS compliant APPLICATIONS * Battery Powered Systems * Cellular Phones * Cordless Telephones * Portable (Notebook) Computers * Portable Instrumentation * Portable Consumer Equipment * Personal Communication Equipment * Radio Control Systems * Low Voltage Systems * MP3 Player GENERAL DESCRIPTION The AMS3106 is a 500mA low dropout fixed voltage regulator, featuring an internal electronic switch controlled by TTL or CMOS logic levels. When the Enable pin is pulled to a logic high level, the device is in the ON state. Designed specifically for battery powered applications where low quiescent current, low dropout and low standby current are required, the AMS3106 is ideal to use in standby power systems. Like other regulators the AMS3106 series also includes internal current limiting and thermal shutdown. A high precision 0.6V voltage reference enables the device to provide very low output voltages. A key feature includes a reference bypass pin to improve its low-noise performance for fixed output versions. Ideal for space critical applications, the AMS3106 is available in the 5-pin SOT-23 surface mount package and 8-pin SOIC. The Power Good option is used when the Output Voltage drop must be detected. If the Output Voltage drops by approximately 15% of its nominal value, the open collector on PG pin will pull down to Low state. ORDERING INFORMATION PACKAGE TYPE 5L SOT-23 AMS3106AM1-XXBP AMS3106M1-XXBP AMS3106AM1XXPG AMS3106M1-XXPG AMS3106AM1-ADJ AMS3106M1-ADJ SO-8 AMS3106AS-XXBP AMS3106S-XXBP AMS3106AS-XXBP AMS3106S-XXBP AMS3106AS-ADJ AMS3106S-ADJ 5 Lead SOT-23 (M1) PIN CONNECTIONS (Top View) 5 Lead SOT-23 (M1) 5 Lead SOT-23 (M1) XX FIXED VOLTAGE and Bypass FIXED VOLTAGE And Power Good ADJ VOLTAGE SO-8 (S) =specify the output voltage required SO-8 (S) SO-8 (S) FIXED VOLTAGE And Bypass FIXED VOLTAGE And Power Good ADJ VOLTAGE Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723 AMS3106 ABSOLUTE MAXIMUM RATINGS (Note 1) Input Voltage Power Dissipation Thermal Resistance (M1/SO-8) Operating Temperature Range 16V Internally limited 410/160C/W -40C to +125C Maximum Junction Temperature Storage Temperature Lead Temperature (Soldering 25 sec) ESD Rating +150C -65C to +150C 265C 2kV ELECTRICAL CHARACTERISTICS Electrical Characteristics at VIN =VOUT +1V, IO=1mA, CIN =10F, COUT = 22F, VON/OFF = 2V unless otherwise specified. PARAMETER Reference Voltage Output Voltage (Fixed Output Version) Line Regulation 1mA I 500 mA O CONDITIONS Min. (Adjustable device option) 0.594 -1 -2 AMS3106A-X Typ. 0.600 AMS3106-X Max. 0.606 1 2 Units Max. 0.612 2 3.5 V % % mV/V Min. 0.488 -2 -3.5 Typ. 0.600 VOUT+1V V 15V IN 0.6 1 2 0.6 1 2 Load Regulation IL = 1mA to 500mA 0.1 0.4 0.8 0.1 0.4 0.8 mV/mA Ground Pin Current I = 0 mA O O 60 8 200 90 12 250 60 8 200 0.01 90 12 250 1 5 A mA mV A A dB V mA I = 500 mA Dropout Voltage Shutdown Quiescent Current Ripple Rejection Output Noise Voltage Short Circuit Current I = 500 mA O VEN 0.8V (shutdown) VEN 0.8V (shutdown) f = 1kHz, COUT =10F 300Hz< f <50kHz, CO=10F, RL =0 75 30 500 5 75 30 500 Control Terminal Specifications (note 2) On/Off Input Current VON/OFF = 0V VON/OFF = 5V On/Off Input Voltage High = Output On Low = Output Off 1.3 0 5 1.25 0.9 -1 15 1.3 0 5 1.25 0.9 -1 15 A A V V Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. For guaranteed performance limits and associated test conditions, see the Electrical Characteristics tables. Note 2: The ON/OFF inputs must be properly driven to prevent possible misoperation. Note 3: Limits appearing in boldface type apply over the entire junction temperature range for operation. Limits appearing in normal type apply for TA = TJ = 25C. TYPICAL APPLICATION CIRCUIT Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723 AMS3106 PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted. 5 LEAD SOT-23 PLASTIC PACKAGE (M1) 0.110-0.120 (2.794-3.048) 0.102-0.118 (2.60-3.00) 0.059-0.070 (1.50-1.75) 0.037 (0.95) TYP 0.018-0.024 (0.457-0.610) 0.014-0.020 (0.350-0.50) 10 NOM 0.036-0.051 (0.090-1.30) 0.0035-0.0080 (0.090-0.20) 0.003 (0.150) MAX 0.075 (1.90) TYP 10 NOM 0.018-0.024 (0.457-0.610) (SOT-23-5 ) AMS DRW# 051001 5 LEAD SOIC PLASTIC PACKAGE (S) 0.189-0.197* (4.801-5.004) 8 7 6 5 0.228-0.244 (5.791-6.197) 0.150-0.157** (3.810-3.988) 1 2 3 4 0.053-0.069 (1.346-1.752) 0.010-0.020 x 45 (0.254-0.508) 0.004-0.010 (0.101-0.254) 0.008-0.010 (0.203-0.254) 0-8 TYP 0.014-0.019 (0.355-0.483) 0.050 (1.270) TYP 0.016-0.050 (0.406-1.270) S (SO-8 ) AMS DRW# 042293 *DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE **DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723 |
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