TPS61221DCKR
- Mfr.Part #
- TPS61221DCKR
- Manufacturer
- Texas Instruments
- Package / Case
- 6-TSSOP, SC-88, SOT-363
- Datasheet
- Download
- Description
- IC REG BOOST 3.3V 200MA SC70-6
- Stock
- 15,090
- In Stock :
- 15,090
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- Manufacturer :
- Texas Instruments
- Product Category :
- Voltage Regulators - DC DC Switching Regulators
- Number of Terminations :
- 6
- Voltage - Input (Min) :
- 0.7V
- Current - Output :
- 200mA Switch
- Number of Outputs :
- 1
- Min Supply Voltage :
- 700mV
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Length :
- 2mm
- Width :
- 1.25mm
- Output Configuration :
- Positive
- Thickness :
- 900μm
- Output Voltage :
- 3.3V
- Frequency - Switching :
- Up to 2MHz
- Topology :
- Boost
- Number of Pins :
- 6
- Input Voltage-Nom :
- 1.2V
- Surface Mount :
- yes
- Package / Case :
- 6-TSSOP, SC-88, SOT-363
- Voltage - Input (Max) :
- 5.5V
- Nominal Supply Current :
- 500nA
- Function :
- Step-Up
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Analog IC - Other Type :
- BATTERY CHARGE CONTROLLER
- Quiescent Current :
- 5μA
- ECCN Code :
- EAR99
- Packaging :
- Tape and Reel (TR)
- Terminal Form :
- Gull wing
- Peak Reflow Temperature (Cel) :
- 260
- RoHS Status :
- ROHS3 Compliant
- Max Output Voltage :
- 3.3V
- Base Part Number :
- TPS61221
- Efficiency :
- 95 %
- Terminal Position :
- Dual
- Control Technique :
- HYSTERETIC CURRENT MODE
- Height :
- 1.1mm
- Output Type :
- FIXED
- Factory Lead Time :
- 8 Weeks
- Min Output Voltage :
- 3.3V
- Pbfree Code :
- yes
- Control Mode :
- CURRENT-MODE
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Max Output Current :
- 500mA
- JESD-609 Code :
- e4
- Synchronous Rectifier :
- yes
- Operating Temperature :
- -40°C~125°C TJ
- Mounting Type :
- Surface Mount
- Radiation Hardening :
- No
- Lead Free :
- Lead Free
- Datasheets
- TPS61221DCKR

Voltage Regulators - DC DC Switching Regulators Texas Instruments TPS61221DCKR Overview
The TPS61221DCKR from Texas Instruments is a high-performance, compact DC DC switching regulator specifically designed to deliver a stable 3.3V output from a lower voltage source. This voltage regulator is particularly suited for applications requiring a fixed output voltage where input voltage may vary, such as battery-powered devices. The TPS61221DCKR ensures efficient power management with a minimum input voltage as low as 0.7V, making it an ideal choice for single-cell, multi-cell, and backup energy sources. Its ability to provide a continuous 200 mA output current across a wide input range addresses the critical needs of power sensitivity and efficiency in modern electronic applications, making it a vital component for designers and engineers focusing on compact, energy-efficient designs.
TPS61221DCKR Features
The TPS61221DCKR boasts several key features that enhance its appeal for high-performance applications. These include a fixed 3.3V output with high accuracy, which is essential for sensitive electronic components. Additionally, it supports up to 200 mA of continuous output current, suitable for a variety of portable devices. The regulator also features over-temperature and over-current protection, enhancing device reliability and lifespan under tough conditions. A high switching frequency minimizes the size of external components, thus reducing the overall design footprint and cost.
TPS61221DCKR Applications
- Portable Electronics: Applies stable power delivery for handheld devices, ensuring reliable operation even with fluctuating battery levels.
- Wearable Technology: Provides efficient, compact power conversion, ideal for small, battery-operated wearables where space and energy are limited.
- Energy Harvesting Systems: Excellent for use in systems where minimal input voltage is available, ensuring consistent performance and maximum energy utilization.
- Wireless Sensors: Supports sensors operating in remote locations, offering extended battery life and reliable operation in variable environmental conditions.
- Medical Devices: Delivers critical power management for medical devices that require absolute reliability and precision in power delivery.
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