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TPS60311 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS60311 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 24 page TPS60310, TPS60311, TPS60312, TPS60313 SINGLE-CELL TO 3-V/3.3-V, 20-mA DUAL OUTPUT, HIGH-EFFICIENCY CHARGE PUMP WITH SNOOZE MODE SLVS362A – MAY 2001 – REVISED AUGUST 2001 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 features D Regulated 3-V or 3.3-V Output Voltage With up to 20-mA Output Current From a 0.9-V to 1.8-V Input Voltage Range D High Power Conversion Efficiency (up to 90%) Over Wide Output Current Range, Optimized for 1.2-V Battery Voltage D Snooze Mode for Improved Efficiency at Low-Output Current D Additional Output With 2 Times VI (OUT1) D Device Quiescent Current Less Than 2 µA D Supervisor Included; Open Drain or Push-Pull Power Good Output D No Inductors Required/Low EMI D Only Five Small, 1-µF Ceramic Capacitors Required D Microsmall 10-Pin MSOP Package applications D Pagers D Battery-Powered Toys D Portable Measurement Instruments D Home Automation Products D Medical Instruments (Like Hearing Instruments) D Metering Applications Using MSP430 Microcontroller D Portable Smart Card Readers description The TPS6031X step-up, regulated charge pumps generate a 3-V ±4% or 3.3-V ±4% output voltage from a 0.9-V to 1.8-V input voltage (one alkaline, NiCd, or NiMH battery). Only five small 1- µF ceramic capacitors are required to build a complete high-efficiency dc/dc charge pump converter. To achieve the high efficiency over a wide input voltage range, the charge pump automatically selects between a 3x or 4x conversion mode. typical application circuit 24 8 7 C1F 1 µF C2F 1 µF OUT1 C1– C1+ C2– C2+ 5 + C(OUT1) 1 µF 2 × IN Max 40 mA OUT2 6 + C(OUT2) 1 µF 3.3 V ±4% Max 20 mA R 10 PG VIN 3 CIN 1 µF INPUT 0.9 V to 1.8 V 1 SNOOZE ON/OFF GND 9 TPS60310 + 0 10 20 30 40 50 60 70 80 90 0.001 0.01 0.1 1 EFFICIENCY vs OUTPUT CURRENT (OUT2) 10 100 Snooze Mode Normal Mode IO – Output Current (OUT2) – mA VI = 1.3 V Snooze mode improves efficiency at an output current in the range of 1 µA to 100 µA. Copyright 2001, 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. ACTUAL SIZE 3,05 mm x 4,98 mm 1 2 3 4 5 10 9 8 7 6 SNOOZE C1– VIN C1+ OUT1 PG GND C2– C2+ OUT2 DGS PACKAGES (TOP VIEW) 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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