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ADP3333ARM-15 bảng dữ liệu(PDF) 1 Page - Analog Devices |
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1 / 8 page REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2001 ADP3333 High Accuracy Ultralow IQ, 300 mA, anyCAP® Low Dropout Regulator FUNCTIONAL BLOCK DIAGRAM THERMAL PROTECTION CC IN ADP3333 OUT GND Q1 BANDGAP REF DRIVER gm SD R1 R2 FEATURES High Accuracy Over Line and Load: 0.8% @ 25 C, 1.8% Over Temperature Ultralow Dropout Voltage: 230 mV (Max) @ 300 mA Requires Only CO = 1.0 F for Stability anyCAP = Stable with Any Type of Capacitor (Including MLCC) Current and Thermal Limiting Low Noise Low Shutdown Current: < 1 A 2.6 V to 12 V Supply Range –40 C to +85 C Ambient Temperature Range Ultrasmall 8-Lead MSOP Package APPLICATIONS Cellular Phones PCMCIA Cards Personal Digital Assistants (PDAs) DSP/ASIC Supplies GENERAL DESCRIPTION ADP3333 is a member of the ADP333x family of precision low dropout anyCAP voltage regulators. Pin-compatible with the MAX8860, the ADP3333 operates with a wider input voltage range of 2.6 V to 12 V and delivers a load current up to 300 mA. ADP3333 stands out from other conventional LDOs with a novel architecture and an enhanced process that enables it to offer performance advantages over its competition. Its patented design requires only a 1.0 µF output capacitor for stability. This device is insensitive to output capacitor Equivalent Series Resis- tance (ESR), and is stable with any good quality capacitor, including ceramic (MLCC) types for space-restricted applica- tions. ADP3333 achieves exceptional accuracy of ±0.8% at room temperature and ±1.8% over temperature, line and load variations. The dropout voltage of ADP3333 is only 140 mV (typical) at 300 mA. This device also includes a safety current limit, thermal overload protection and a shutdown feature. In shutdown mode, the ground current is reduced to less than 1 µA. The ADP3333 has ultralow quiescent current, 70 µA (typ) in light load situations. ADP3333 NC VIN IN GND VOUT ON OFF OUT SD CIN 1 F COUT 1 F NC = NO CONNECT Figure 1. Typical Application Circuit anyCAP is a registered trademark of Analog Devices, Inc. |
Số phần tương tự - ADP3333ARM-15 |
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Mô tả tương tự - ADP3333ARM-15 |
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