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MCP1804 Datasheet(PDF) 1 Page - Microchip Technology |
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MCP1804 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 36 page  2009-2013 Microchip Technology Inc. DS20002200D-page 1 Features: • 150 mA Output Current • Low Dropout Voltage, 260 mV Typical @ 20 mA, VR =3.3V • 50 µA Typical Quiescent Current • 0.01 µA Typical Shutdown Current • Input Operating Voltage Range: 2.0V to 28.0V • Standard Output Voltage Options (1.8V, 2.5V, 3.0V, 3.3V, 5.0V, 10.0V, 12.0V) • Output Voltage Accuracy: ±2% • Output Voltages from 1.8V to 18.0V in 0.1V Increments are Available upon Request • Stable with Ceramic Output Capacitors • Current Limit Protection with Current Foldback • Shutdown Pin • High PSRR: 50 dB Typical @ 1 kHz Applications: • Cordless Phones, Wireless Communications • PDAs, Notebook and Netbook Computers •Digital Cameras • Microcontroller Power • Car Audio and Navigation Systems • Home Appliances Related Literature: • AN765, “Using Microchip’s Micropower LDOs” (DS00765), Microchip Technology Inc., ©2002 • AN766, “Pin-Compatible CMOS Upgrades to BiPolar LDOs” (DS00766), Microchip Technology Inc., ©2002 • AN792, “A Method to Determine How Much Power a SOT23 Can Dissipate in an Application” (DS00792), Microchip Technology Inc., ©2001 Description: The MCP1804 is a family of CMOS low dropout (LDO) voltage regulators that can deliver up to 150 mA of current while consuming only 50 µA of quiescent current (typical, 1.8V VOUT 5.0V). The input operating range is specified from 2.0V to 28.0V. The MCP1804 is capable of delivering 100 mA with only 1300 mV (typical) of input to output voltage differential (VOUT = 3.3V). The output voltage tolerance of the MCP1804 at +25°C is a maximum of ±2%. Line regulation is ±0.15% typical at +25°C. The LDO input and output are stable with 0.1 µF of input and output capacitance. Ceramic, tantalum or aluminum electrolytic capacitors can all be used for input and output. Overcurrent limit with current foldback to 40 mA (typical) provides short circuit protection. A shutdown (SHDN) function allows the output to be enabled or disabled. When disabled, the MCP1804 draws only 0.01 µA of current (typical). Package options include the 3-lead SOT-89, 3-lead SOT-223, 5-lead SOT-23 and 5-lead SOT-89. Package Types 12 3 54 VOUT VIN NC SHDN GND SOT-89-5 (Top View) 12 3 VOUT VIN GND (Top View) SOT-89-3 SOT-23-5 123 54 VOUT SHDN VIN NC GND 12 3 VOUT VIN GND (Top View) SOT-223-3 150 mA, 28V LDO Regulator With Shutdown MCP1804 |
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