tps61220.pdf
Features
・ Adjustable Output Voltage from 1.8 V to 5.5 V
| ・ Up to 95% Efficiency at Typical Operating | ・ Fixed Output Voltage Versions |
| Conditions | ・ Small 6-pin SC-70 Package |
| ・ 5.5 mA Quiescent Current ・ Startup Into Load at 0.7 V Input Voltage ・ Operating Input Voltage from 0.7 V to 5.5 V ・ Pass-Through Function during Shutdown ・ Minimum Switching Current 200 mA ・ Protections: � Output Overvoltage | APPLICATIONS ・ Battery Powered Applications � 1 to 3 Cell Alkaline, NiCd or NiMH � 1 cell Li-Ion or Li-Primary ・ Solar or Fuel Cell Powered Applications ・ Consumer and Portable Medical Products ・ Personal Care Products |
| � Overtemperature | ・ White or Status LEDs |
| � Input Undervoltage Lockout | ・ Smartphones |
Description
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 x 2 mm to enable small
circuit layout size.
DatasheetDoc-Texas Instruments TI pdf datasheet download
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