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| Bay Linear Inspire the Linear Power 150 mA CMOS Low Dropout LDO ON/OFF B4151 Description The B4151 series are a group of positive output voltage, five-pin regulators, which provide a high current even when the input/output voltage differential is small. Low power consumption and high accuracy is achieved though CMOS and programmable fuse technologies. Output voltage: 2.0V to 6.0V in 0.1V increments. The B4151 consists of a high-precision voltage reference, an error correction circuit, and a current limited output driver. Key features include a Shutdown Pin that reduces supply current. With good transient responses, output remains stable even during load changes. The ON/OFF pin enables the output to be turned off, resulting in reduced power consumption. Provided in SOT-25 (150mW) packages minimizes the usage of board real state. Features * * * * * * * * * Maximum output current: 150 mA. Highly accurate: Output voltage +/- 2%(1%) Shutdown Supply Current 1A Ground Current of Less than 20A CMOS low power consumption. 0.20V at 160mA 0.38V at 80mA Small input/output differential: Shut Down Mode for Power Savings Improve pin-to-pin XC62GR-XX Pin-to-Pin Low Power to Bipolar LDO's Applications * * * * * Battery Powered Equipment Notebook PC, Palmtops, PDA Portable Cameras and Video Recorders Reference Voltage Sources Cellular / GSM / PCS Phones Pin Connection Ordering Information Package SOT-25 Part No. B4151CK5 -X.X X.X = Fixed Output Voltages from 2.0V to 6.0V SOT-25 (K5) V out 5 NC 4 1 2 3 VSS VIN ON/OFF Top View Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com B4151 Absolute Maximum Ratings Parameter Input Voltage Output Current Output Voltage CE Output Voltage Continual Total Power Dissipation Operating Ambient Temperature Storage Temperature Symbol VIN IOUT Vout VOUT SOT-25 SOT-89 Pd TOPR TSTG Ratings 12 500 VSS -0.3 to VIN 0.3 VSS -0.3 to VIN 0.3 300 500 -30 to 80 -40 to 125 Units V mA V V mW C C Electrical Characteristics (Ta = 25C, VIN = VOUT + 0.5V; unless otherwise noted) Parameter Output Voltage Accuracy Line Regulation Load Regulation Maximum Output Current Current Limit CE input voltage High CE input voltage Low CE input voltage High CE input voltage Low Vout/Topr .. Vout Input Stability Input Voltage Ground Pin Current Dropout Voltage Output Voltage Temp. VOUT/VIN-VOUT Conditions IO = 1mA IO = 0 to 40mA IO= 40mA, (VOUT + 0.1V) -0.05 0.2 10.0 200 380 100 Marking Format SOT-25 SERIES CE H L H L VOLTAGE OUTPUT ON OFF OFF ON EXWW E = B4151 B4151R B4151P WW = Work Week Code SOT-25 = 01 to 99 Variables X = Voltage Codes B = 2.0 C = 2.5 D = 2.8 E = 3.0 F= G= H= 3.3 3.5 5.0 Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com B4151 SOT-25 Packaging Outline D B (5 PLACES) E H e e1 A A2 A1 L C SYMBOL MILLIMETERS INCHES MIN. 0.90 0 MAX 1.30 0.10 MIN. .035 0 MAX. .051 .004 A A1 A2 B C D E e e1 H L NOTE: 1. REFER TO APPLICABLE 2. CONTROLLING DIMENTION : MILLIMETER 3. PACKAGE SURFACE FINISHING TO BE SMOOTH FINISH. 0.80 REF 0.30 0.10 2.70 1.40 0.50 0.35 3.10 1.80 .0315 REF .012 .004 .106 .055 .019 .0137 .122 .071 0.95 BSC. 1.70 2.50 2.10 3.00 .037 BSC. .066 .098 .082 .118 MIN 0.2 MIN .0078 Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com B4151 STANDARD CIRCUIT VIN CE CIN Tantanium VOUT VIN VSS CL 10f Tantanium RL Advance Information- These data sheets contain descriptions of products that are in development. The specifications are based on the engineering calculations, computer simulations and/ or initial prototype evaluation. Preliminary Information- These data sheets contain minimum and maximum specifications that are based on the initial device characterizations. These limits are subject to change upon the completion of the full characterization over the specified temperature and supply voltage ranges. The application circuit examples are only to explain the representative applications of the devices and are not intended to guarantee any circuit design or permit any industrial property right to other rights to execute. Bay Linear takes no responsibility for any problems related to any industrial property right resulting from the use of the contents shown in the data book. Typical parameters can and do vary in different applications. Customer's technical experts must validate all operating parameters including " Typical" for each customer application. LIFE SUPPORT AND NUCLEAR POLICY Bay Linear products are not authorized for and should not be used within life support systems which are intended for surgical implants into the body to support or sustain life, in aircraft, space equipment, submarine, or nuclear facility applications without the specific written consent of Bay Linear President. Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com |
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