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TPS61221DCKT

TPS61221DCKT

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Texas Instruments

0.7-VIN, 3.3-V FIXED OUTPUT VOLTAGE BOOST CONVERTER WITH 5.5-ΜA QUIESCENT CURRENT

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TPS61221DCKT

TPS61221DCKT

Active
Texas Instruments

0.7-VIN, 3.3-V FIXED OUTPUT VOLTAGE BOOST CONVERTER WITH 5.5-ΜA QUIESCENT CURRENT

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Description

General part information

TPS61221 Series

The TPS6122x family devices provide a power-supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Possible output currents depend on the input-to-output voltage ratio. The boost converter is based on a hysteretic controller topology using synchronous rectification to obtain maximum efficiency at minimal quiescent currents. The output voltage of the adjustable version can be programmed by an external resistor divider, or is set internally to a fixed output voltage. The converter can be switched off by a featured enable pin. While being switched off, battery drain is minimized. The device is offered in a 6-pin SC-70 package (DCK) measuring 2 mm × 2 mm to enable small circuit layout size.

The TPS6122x family devices provide a power-supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Possible output currents depend on the input-to-output voltage ratio. The boost converter is based on a hysteretic controller topology using synchronous rectification to obtain maximum efficiency at minimal quiescent currents. The output voltage of the adjustable version can be programmed by an external resistor divider, or is set internally to a fixed output voltage. The converter can be switched off by a featured enable pin. While being switched off, battery drain is minimized. The device is offered in a 6-pin SC-70 package (DCK) measuring 2 mm × 2 mm to enable small circuit layout size.

Technical Specifications

Parameters and characteristics for this part

SpecificationTPS61221DCKT
Current - Output200 mA
Frequency - Switching (Max)2 MHz
FunctionStep-Up
Mounting TypeSurface Mount
Number of Outputs1
Operating Temperature (Max)125 °C
Operating Temperature (Min)-40 °C
Output ConfigurationPositive
Output TypeFixed
Package / Case6-TSSOP, SC-88, SOT-363
Package NameSC-70-6
Synchronous RectifierYes
TopologyBoost
Voltage - Input (Max)5.5 V
Voltage - Input (Min)0.7 V
Voltage - Output (Min/Fixed)3.3 V

Pricing

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