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LP38691SDX-2.5 Datasheet(PDF) 1 Page - Texas Instruments |
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LP38691SDX-2.5 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 27 page LP38693 VIN VOUT SNS ** GND 1 PF * 1 PF * VOUT VIN VEN VEN LP38691 VIN VOUT SNS ** GND 1 PF * 1 PF * VOUT VIN LP38691, LP38693 www.ti.com SNVS321K – JANUARY 2005 – REVISED APRIL 2013 LP38691 LP38693 500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors Check for Samples: LP38691, LP38693 1 FEATURES DESCRIPTION The LP38691/3 low dropout CMOS linear regulators 2 • All WSON Options are Available as AEC-Q100 provide tight output tolerance (2.0% typical), Grade 1 extremely low dropout voltage (250 mV @ 500mA • 2.0% Output Accuracy (25°C) load current, VOUT = 5V), and excellent AC • Low Dropout Voltage: 250 mV @ 500mA (typ, performance utilizing ultra low ESR ceramic output capacitors. 5V out) • Wide Input Voltage Range (2.7V to 10V) The low thermal resistance of the WSON, SOT-223 and PFM packages allow the full operating current to • Precision (Trimmed) Bandgap Reference be used even in high ambient temperature • Ensured Specs for -40°C to +125°C environments. • 1µA Off-State Quiescent Current The use of a PMOS power transistor means that no • Thermal Overload Protection DC base drive current is required to bias it allowing • Foldback Current Limiting ground pin current to remain below 100 µA regardless of load current, input voltage, or operating • PFM, SOT-223 and 6-Lead WSON Packages temperature. • Enable Pin (LP38693) Dropout Voltage: 250 mV (typ) @ 500mA (typ. 5V out). APPLICATIONS • Hard Disk Drives Ground Pin Current: 55 µA (typ) at full load. • Notebook Computers Precision Output Voltage: 2.0% (25°C) accuracy. • Battery Powered Devices • Portable Instrumentation Typical Application Circuits * Minimum value required for stability. **WSON package devices only. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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