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ADP3610ARU Datasheet(PDF) 1 Page - Analog Devices |
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ADP3610ARU Datasheet(HTML) 1 Page - Analog Devices |
1 / 10 page REV. A 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a ADP3610 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1999 320 mA Switched Capacitor Voltage Doubler FEATURES Push-Pull Charge Pump Doubler Reduces Output Ripple +3.0 V to +3.6 V Operation VOUT > +5.4 V @ 320 mA Maximum Load Output Impedance, RTOTAL ≤ 1.66 Shutdown Capability Overvoltage Protection: VIN > +4 V Operating Temperature Range: –20 C to +85 C Thermally Enhanced 16-Lead TSSOP Package APPLICATIONS High Current Doublers LCD Panels Cellular Phones Inductorless Boost Converters GENERAL DESCRIPTION The ADP3610 is a push-pull switched-capacitor converter volt- age doubler. The term “push-pull” refers to two charge pumps working in parallel and in opposing phase to deliver charge to support the output voltage. When one capacitor is pumping charge to the output, the other is recharging. This technique minimizes voltage loss and output voltage ripple. The converter accommodates input voltages from +3 V to +3.6 V and can provide 320 mA using 2.2 µF MLCC pump capacitors. Converter operation can be enabled or disabled simply by an input signal. The package is enhanced with Analog Devices’ proprietary Thermal Coastline feature, which allows up to 980 mW of power dissipation at room temperature. The exceptionally thin TSSOP-16 package and the requirement of only capacitors (no inductors) to support the converter opera- tion allows slim designs, e.g., for TFT or LCD display panels. CIN 1 F CP2 2.2 F CP1 2.2 F VIN VOUT SD VOUT VIN GND ADP3610 CO 1 F Figure 1. Typical Application Circuit FUNCTIONAL BLOCK DIAGRAM 1MHz OSC VIN OVER- VOLTAGE PROTECTION SD GND VOUT CM2 CP2 CM1 CP1 DRV DRIVE LOGIC DRV ADP3610 |
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