| Allicdata Part #: | UCC28221PWRG4-ND |
| Manufacturer Part#: |
UCC28221PWRG4 |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG CTRLR FLYBK ISO 20-TSSOP |
| More Detail: | Converter Offline Flyback Topology 2MHz 20-TSSOP |
| DataSheet: |  UCC28221PWRG4 Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Voltage - Supply (Vcc/Vdd): | 8.4 V ~ 14.5 V |
| Base Part Number: | UCC28221 |
| Supplier Device Package: | 20-TSSOP |
| Package / Case: | 20-TSSOP (0.173", 4.40mm Width) |
| Operating Temperature: | -55°C ~ 150°C (TJ) |
| Control Features: | Soft Start |
| Fault Protection: | Current Limiting, Over Voltage |
| Frequency - Switching: | 2MHz |
| Duty Cycle: | 75% |
| Series: | -- |
| Voltage - Start Up: | 13V |
| Topology: | Flyback |
| Voltage - Breakdown: | -- |
| Internal Switch(s): | No |
| Output Isolation: | Isolated |
| Part Status: | Obsolete |
| Packaging: | Tape & Reel (TR) |
Description
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The UCC28221PWRG4 is a highly efficient step-down PMIC for AC-DC or DC-DC conversion applications. It works as a switcher and features an integrated bridge rectifier to provide precise and stable output voltage with a wide range of input voltages. The UCC28221PWRG4 is specifically designed to be used in conjunction with an appropriate driver and is particularly suitable for low power applications that require a precise and regulated output.The UCC28221PWRG4 is an integrated PMIC with a high efficiency controller, a low-dropout linear regulator, and a low-side MOSFET driver, providing high accuracy output voltage regulation and ease of design. The integrated bridge rectifier and the low-dropout linear regulator allow for extremely precise output voltage modulation over a wide range of input voltages. The integrated low-side MOSFET driver provides high current power switch capability and can efficiently drive a wide range of MOSFETs. The PMIC also features a programmable start-up delay and an adjustable soft-start current limit.The UCC28221PWRG4 is an ideal choice for a wide range of off-line AC-to-DC and DC-to-DC switching applications including those requiring a constant current or constant power source. It can be used to power white LEDs, appliances, small power supplies, batteries, and microcontrollers. The integrated bridge rectifier allows for a wide input voltage range, and the adjustable soft start current limit and programmable start-up delay provide transient protection for enhanced system stability and reliability.The UCC28221PWRG4 provides excellent line and load regulation even in the most demanding applications. Its integrated low-side MOSFET driver ensures reliable driving of signal-level NFETs, allowing for efficient power conversion, and the integrated linear regulator ensures high accuracy output voltage regulation for low power load applications. The regulated output voltage is ensured over the entire operating temperature range and can be adjusted via the onboard trim pin to compensate for temperature variations.In summary, the UCC28221PWRG4 precision step-down PMIC is an ideal solution for a variety of AC-DC and DC-DC conversion applications requiring adjustable output voltage and precise regulation. Its wide input voltage range, integrated bridge rectifier, and adjustable soft start current limit enable efficient power conversion and stable output voltage regulation, while its integrated low side MOSFET driver provides reliable driving of signal-level NFETs.
The specific data is subject to PDF, and the above content is for reference
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