TPS61221DCKR The Texas Instruments TPS61221DCKR is a boost converter designed for low input voltage applications. It provides a fixed 3.3V output voltage with a 200mA current limit.
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TPS61221DCKR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS61221DCKR is a boost converter designed for low input voltage applications. It provides a fixed 3.3V output voltage with a 200mA current limit.
✓ Total Stock: 10,137 pcs
$ Price Range: $0.42

TPS61221DCKR Available from 3 distributors

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✓ Non-Authorised
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9,000 pcs
9000 pcs On Request 1 On Request On Request 20+ On Request On Request
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1,077 pcs
1077 pcs On Request 1 On Request On Request On Request On Request On Request
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60 pcs
60 pcs On Request 1 On Request On Request 22+ On Request On Request

TPS61221DCKR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Duty Cycle
Efficiency
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Output Voltage
Quiescent Current
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage

TPS61221DCKR Description

Short technical summary and product information.

The Texas Instruments TPS61221DCKR is a DC/DC switching regulator featuring a boost topology. It operates with an input voltage range from 0.7V to 5.5V and provides a fixed output voltage of 3.3V.

 

This device is designed for high efficiency, reaching up to 95% under typical operating conditions, and boasts a low quiescent current of 5.5µA. The switch current limit is typically 0.4A, and it supports a minimum switching current of 200mA. The maximum duty cycle is 90%.

 

Packaged in a compact 6-pin SC-70 package, the TPS61221DCKR is suitable for surface mount applications. It operates within a temperature range of -40°C to 125°C (TJ). Protections include output overvoltage, overtemperature, and input undervoltage lockout.

 

The TPS6122x family, including the TPS61221DCKR, is ideal for power supply solutions in products powered by single-cell, two-cell, or three-cell batteries such as alkaline, NiCd, NiMH, or Li-Ion/Li-polymer.

TPS61221DCKR Quick Information

Product Type: DC DC Switching Regulator
Series: TPS61221
Canonical Name: TPS61221DCKR Boost Converter
Subcategory: Voltage Regulators

TPS61221DCKR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS61221DCKR Estimated Pricing

Qty Low High
1+ $0.42 $0.42

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS61221DCKR Features

  • Boost converter with 0.7V input voltage.
  • Fixed 3.3V output voltage.
  • Up to 95% efficiency at typical conditions.
  • Low 5.5µA quiescent current.
  • Compact 6-pin SC-70 package.

TPS61221DCKR Applications

  • Ideal for battery-powered devices.
  • Suitable for portable electronics.
  • Power supply for low-voltage systems.
  • Efficient power conversion applications.

TPS61221DCKR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the TPS61221DCKR?

The input voltage range is from 0.7V to 5.5V.

What is the fixed output voltage of the TPS61221DCKR?

The fixed output voltage is 3.3V.

What is the quiescent current of the TPS61221DCKR?

The typical quiescent current is 5.5µA.

What is the operating temperature range for this device?

The operating temperature range is -40°C to 125°C (TJ).

What package type is the TPS61221DCKR supplied in?

It is supplied in a 6-pin SC-70 package.

Does the TPS61221DCKR feature synchronous rectification?

Yes, it features synchronous rectification.

TPS61221DCKR Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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The Texas Instruments TPS61222DCKT is a boost converter designed for low input voltage applications. It offers a fixed 5V output and operates with a low quiescent current.
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