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TPS60211DGS 데이터시트(PDF) 1 Page - Texas Instruments |
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TPS60211DGS 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 26 page TPS60210, TPS60211, TPS60212, TPS60213 REGULATED 3.3 V, LOW RIPPLE CHARGE PUMP WITH ULTRALOW OPERATING CURRENT SLVS296 − JUNE 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 features D Regulated 3.3-V Output Voltage From a 1.8-V to 3.6-V Input Voltage Range D UltraLow Operating Current in Snooze Mode, Typical 2 µA D Less Than 5-mV(PP) Output Voltage Ripple Achieved With Push-Pull Topology D Integrated Low-Battery and Power-Good Detector D Switching Frequency Can Be Synchronized to External Clock Signal D Extends Battery Usage With up to 90% Efficiency and 35- µA Quiescent Current D Easy-To-Design, Low Cost, Low EMI Power Supply Since No Inductors Are Used D Compact Converter Solution in UltraSmall 10-Pin MSOP With Only Four External Capacitors Required D Evaluation Module Available (TPS60210EVM-167) applications D Replaces DC/DC Converters With Inductors in Battery-Powered Applications Like: − Two Battery Cells to 3.3-V Conversion − MSP430 Ultralow-Power Microcontroller and Other Battery Powered Microprocessor Systems − Glucose Meters and Other Medical Instruments − MP3 Portable Audio Players − Backup-Battery Boost Converters − Cordless Phones, PDAs · description The TPS6021x step-up, regulated charge pumps generate a 3.3-V ±4% output voltage from a 1.8-V to 3.6-V input voltage. These devices are typically powered by two alkaline, NiCd, or NiMH battery cells or by one primary lithium MnO2 (or similar) coin cell and operate down to a minimum supply voltage of 1.6 V. Continuous output current is a minimum of 100 mA for the TPS60210 and TPS60211, and 50 mA for the TPS60212 and TPS60213, all from a 2-V input. Figure 1. Typical Application Circuit With Low-Battery Warning OUTPUT 3.3 V INPUT 1.6 V to 3.6 V ON/OFF C1 1 µF C2 1 µF Co 2.2 µF Ci 2.2 µF R1 R2 1 2 3 4 5 6 7 8 9 10 R3 Low Battery Warning IN C1− C1+ LBI TPS60210 OUT C2− C2+ LBO GND SNOOZE TPS60210 PEAK OUTPUT CURRENT vs INPUT VOLTAGE 150 100 50 0 1.6 2.0 2.4 2.8 200 250 350 3.2 3.6 300 VI − Input Voltage − V Copyright 2000, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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