TPS61221 Series
0.7-VIN, 3.3-V fixed output voltage boost converter with 5.5-μA quiescent current
Manufacturer: Texas Instruments
Catalog(2 parts)
| Part | Output Configuration | Output Type▲▼ | Number of Outputs▲▼ | Package / Case | Voltage - Input (Max)▲▼ | Frequency - Switching▲▼ | Current - Output▲▼ | Topology | Synchronous Rectifier▲▼ | Function | Operating Temperature▲▼ | Operating Temperature▲▼ | Voltage - Output (Min/Fixed)▲▼ | Supplier Device Package | Mounting Type | Voltage - Input (Min)▲▼ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments TPS61221DCKTBoost Switching Regulator IC Positive Fixed 3.3V 1 Output 200mA (Switch) 6-TSSOP, SC-88, SOT-363 | Positive | 27.030000686645508 °C/W | 1 ul | 6-TSSOP, SC-88, SOT-363 | 5.5 V | 2000000 Hz | 0.20000000298023224 A | Boost | Step-Up | 125 °C | -40 °C | 3.299999952316284 V | SC-70-6 | Surface Mount | 0.699999988079071 V | |
Texas Instruments TPS61221DCKRBoost Switching Regulator IC Positive Fixed 3.3V 1 Output 200mA (Switch) 6-TSSOP, SC-88, SOT-363 | Positive | 27.030000686645508 °C/W | 1 ul | 6-TSSOP, SC-88, SOT-363 | 5.5 V | 2000000 Hz | 0.20000000298023224 A | Boost | Step-Up | 125 °C | -40 °C | 3.299999952316284 V | SC-70-6 | Surface Mount | 0.699999988079071 V |
Key Features
• Up to 95% Efficiency at Typical OperatingConditions5.5 µA Quiescent CurrentStartup Into Load at 0.7 V Input VoltageOperating Input Voltage from 0.7 V to 5.5 VPass-Through Function during ShutdownMinimum Switching Current 200 mAProtections:Output OvervoltageOvertemperatureInput Undervoltage LockoutAdjustable Output Voltage from 1.8 V to 6 VFixed Output Voltage VersionsSmall 6-pin SC-70 PackageUp to 95% Efficiency at Typical OperatingConditions5.5 µA Quiescent CurrentStartup Into Load at 0.7 V Input VoltageOperating Input Voltage from 0.7 V to 5.5 VPass-Through Function during ShutdownMinimum Switching Current 200 mAProtections:Output OvervoltageOvertemperatureInput Undervoltage LockoutAdjustable Output Voltage from 1.8 V to 6 VFixed Output Voltage VersionsSmall 6-pin SC-70 Package
Description
AI
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.