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MCP1703AT-1502E/MB Datasheet(PDF) 1 Page - Microchip Technology |
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MCP1703AT-1502E/MB Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 31 page  2012-2013 Microchip Technology Inc. DS20005122B-page 1 MCP1703A Features: • Reduced Ground Current During Dropout • Faster Startup Time • 2.0 µA Typical Quiescent Current • Input Operating Voltage Range: 2.7V to16.0V • 250 mA Output Current for Output Voltages ≥ 2.5V • 200 mA Output Current for Output Voltages < 2.5V • Low Dropout Voltage, 625 mV Typical @ 250 mA for VR =2.8V • 0.4% Typical Output Voltage Tolerance • Standard Output Voltage Options: - 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.0V, 5.0V • Output Voltage Range: 1.2V to 5.5V in 0.1V Increments (50 mV increments available upon request) • A/D Friendly Voltage Options: 2.05V, 3.07V, 4.1V • Stable with 1.0 µF to 22 µF Ceramic Output Capacitance • Short-Circuit Protection • Overtemperature Protection Applications: • Battery-Powered Devices • Battery-Powered Alarm Circuits • Smoke Detectors •CO2 Detectors • Pagers and Cellular Phones • Smart Battery Packs • Low Quiescent Current Voltage Reference •PDAs • Digital Cameras • Microcontroller Power • Solar-Powered Instruments • Consumer Products Related Literature: • AN765, “Using Microchip’s Micropower LDOs”, DS00765, Microchip Technology Inc., 2007 • AN766, “Pin-Compatible CMOS Upgrades to Bipolar LDOs ”, DS00766, Microchip Technology Inc., 2003 • AN792, “A Method to Determine How Much Power a SOT23 Can Dissipate in an Application ”, DS00792, Microchip Technology Inc., 2001 Description: The MCP1703A is an improved version of the MCP1703 low dropout (LDO) voltage regulator that can deliver up to 250 mA of current while consuming only 2.0 µA of quiescent current (typical). The input operating range is specified from 2.7V to 16.0V, making it an ideal choice for two to six primary cell battery- powered applications, 9V alkaline and one or two-cell Li-Ion-powered applications. The MCP1703A is capable of delivering 250 mA with only 625 mV (typical) of input to output voltage differential (VOUT = 2.8V). The output voltage tolerance of the MCP1703A is typically ±0.4% at +25°C and ±3% maximum over the operating junction temperature range of -40°C to +125°C. Line regulation is ±0.1% typical at +25°C. Output voltages available for the MCP1703A range from 1.2V to 5.5V. The LDO output is stable when using only 1 µF of output capacitance. Ceramic, tantalum or aluminum electrolytic capacitors can all be used for input and output. Overcurrent limit and overtemperature shutdown provide a robust solution for any application. Package options include the SOT-223-3, SOT-23A, 2x3 DFN-8 and SOT-89-3. Package Types 1 3 2 VIN GND VOUT 1 2 3 VIN GND VOUT SOT-23A SOT-89 VIN 1 2 3 SOT-223 GND VIN VOUT NC NC GND NC NC 1 2 3 4 8 7 6 5 NC VOUT EP 9 * Includes Exposed Thermal Pad (EP); see Table 3-1. VIN 2x3 DFN* 250 mA, 16V, Low Quiescent Current LDO Regulator |
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