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MAX8887EZK18 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX8887EZK18 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 9 page General Description The MAX8887/MAX8888 low-dropout linear regulators operate from a 2.5V to 5.5V input and deliver up to 300mA continuous (500mA pulsed) current. The MAX8887 is optimized for low-noise operation, while the MAX8888 includes an open-drain POK ouput flag. Both regulators feature exceptionally low 100mV dropout at 200mA. These devices are available in a variety of pre- set output voltages in the 1.5V to 3.3V range. An internal PMOS pass transistor allows the low 55µA supply current to remain independent of load, making these devices ideal for portable battery-powered equip- ment such as personal digital assistants (PDAs), cellu- lar phones, cordless phones, and notebook computers. Other features include a micropower shutdown mode, short-circuit protection, thermal shutdown protection, and an active-low open-drain power-OK (POK) output that indicates when the output is out of regulation. The MAX8887/MAX8888 are available in a thin 5-pin SOT23 package that is only 1mm high. ________________________Applications Notebook Computers Wireless Handsets PDAs and Palmtop Computers Digital Cameras PCMCIA Cards Hand-Held Instruments Features ♦ Guaranteed 300mA Output Current (500mA for Pulsed Loads) ♦ Low 100mV Dropout at 200mA Load ♦ POK Output (MAX8888) ♦ 42µVRMS Output Noise (MAX8887) ♦ Preset Output Voltages (1.5V, 1.8V, 2.85V, and 3.3V) ♦ 55µA No-Load Supply Current ♦ Thermal Overload and Short-Circuit Protection ♦ Foldback Output Current-Limit Protection ♦ 60dB PSRR at 1kHz ♦ 0.1µA Shutdown Current ♦ Thin 5-Pin SOT23 Package, 1mm High Low-Dropout, 300mA Linear Regulators in SOT23 ________________________________________________________________ Maxim Integrated Products 1 GND BP SHDN 15 OUT IN MAX8887 TOP VIEW 2 34 GND POK SHDN 15 OUT IN MAX8888 2 34 Pin Configurations MAX8887 MAX8888 ON OFF INPUT 2.5V TO 5.5V IN SHDN GND (BP) POK OUT VOUT 300mA CIN 2.2 μF COUT 2.2 μF CBP 0.01 μF ( ) ARE FOR MAX8887 ONLY. Typical Operating Circuit 19-1859; Rev 3; 11/06 Ordering Information PART TEMP RANGE PIN- PACKAGE TOP MARK MAX8887EZK15+T -40 °C to +85°C 5 SOT23-5 ADQD MAX8887EZK18+T -40 °C to +85°C 5 SOT23-5 ADPX MAX8887EZK29+T -40 °C to +85°C 5 SOT23-5 ADPY MAX8887EZK33+T -40 °C to +85°C 5 SOT23-5 ADPZ MAX8887EZKxy+T* -40 °C to +85°C 5 SOT23-5 — MAX8888EZK15+T -40 °C to +85°C 5 SOT23-5 ADQE MAX8888EZK18+T -40 °C to +85°C 5 SOT23-5 ADQA MAX8888EZK29+T -40 °C to +85°C 5 SOT23-5 ADQB MAX8888EZK33+T -40 °C to +85°C 5 SOT23-5 ADQC MAX8888EZKxy+T* -40 °C to +85°C 5 SOT23-5 — *Other versions (xy) between +1.5 and +3.3V are available in 100mV increments. Contact factory for other versions. Minimum order quantity is 25,000 units. +Denotes lead-free availability. For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. |
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