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TPS60120

具有低電池電量檢測器的穩(wěn)壓 3.3V 高效電荷泵直流/直流轉(zhuǎn)換器; ? High Average Efficiency Over Input Voltage Range Because of Special Switching Topology\n? Minimum 200-mA Output Current From an Input Voltage Range of 1.8-V to 3.6-V \n? Regulated 3.3-V or 3-V ±4% Output Voltage\n? No Inductors Required, Low EMI\n? Only Four External Components Required\n? 55-uA Quiescent Supply Current\n? 0.05-uA Shutdown Current \n? Load Disconnected in Shutdown\n? Integrated Low Battery and Power Good Detectors\n? Evaluation Module Available (TPS60120EVM-142)\n? Applications \n? Applications Powered by Two Battery Cells\n? Portable Instruments\n? Battery-Powered Microprocessor Systems\n? Miniature Equipment\n? Backup-Battery Boost Converters\n? PDAs, Organizers, Laptops\n? MP-3 Portable Audio Players\n? Handheld Instrumentation\n? Medical Instruments (e.g., Glucose Meters)\n? Cordless Phones\n \n PowerPAD is a trademark of Texas Instruments Incorporated.;

The TPS6012x step-up, regulated charge pumps generate a 3.3-V or 3-V ±4% output voltage from a 1.8-V to 3.6-V input voltage (two alkaline, NiCd, or NiMH batteries). They can deliver an output current of at least 200 mA (100 mA for the TPS60122 and TPS60123), all from a 2-V input. Four external capacitors are needed 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 1.5x or doubler conversion mode. From a 2-V input, all ICs can start with full load current. The devices feature the power-saving pulse-skip mode to extend battery life at light loads. TPS60120, TPS60122, and TPS60124 include a low battery comparator. TPS60121, TPS60123, and TPS60125 feature a power-good output. The logic shutdown function reduces the supply current to a maximum of 1uA and disconnects the load from the input. Special current-control circuitry prevents excessive current from being drawn from the battery during start-up. This dc/dc converter requires no inductors, therefore EMI is of low concern. It is available in the small, thermally enhanced 20-pin PowerPADTM package (PWP).

TPS60120

REGULATED 3.3 V, 200-mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS

TPS60120

REGULATED 200-mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS

TPS60120

REGULATED 5-V,300 MA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS

TPS60120

SINGLE-CELL TO 3-V/3.3-V, 20-mA DUAL OUTPUT, HIGH-EFFICIENCY CHARGE PUMP WITH SNOOZE MODE

TPS60120

SINGLE-CELL TO 3-V/3.3-V, 20-mA DUAL OUTPUT, HIGH-EFFICIENCY CHARGE PUMP WITH SNOOZE MODE

TPS60120_07

REGULATED 200-mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS

TPS60120_15

REGULATED 200-mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS

TPS60120PWP

REGULATED 3.3 V, 200-mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS

TPS60120PWP

REGULATED 200-mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS