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UCC1581 - Micropower Voltage Mode PWM

Download the UCC1581 datasheet PDF. This datasheet also covers the UCC3581 variant, as both devices belong to the same micropower voltage mode pwm family and are provided as variant models within a single manufacturer datasheet.

General Description

The UCC3581 voltage mode pulse width modulator is designed to control low power isolated DC - DC converters in applications such as Subscriber Line Power (ISDN I.430).

Key Features

  • Low 85µA Startup Current BLOCK.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UCC3581-Unitrode.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number UCC1581
Manufacturer Unitrode
File Size 842.39 KB
Description Micropower Voltage Mode PWM
Datasheet download datasheet UCC1581 Datasheet

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Other Datasheets by Unitrode

Part Number Description
UCC1583 (UCC1583 - UCC3583) Switch Mode Secondary Side Post Regulator
UCC15701 Advanced Voltage Mode Pulse Width Modulator
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UCC1807-1 Programmable Maximum Duty Cycle PWM Controller
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Micropower Voltage Mode PWM FEATURES • Low 85µA Startup Current BLOCK DIAGRAM • Low 300µA Operating Current • Automatically Disabled Startup Preregulator • Programmable Minimum Duty Cycle with Cycle Skipping • Programmable Maximum Duty Cycle • Output Current 1A Peak Source and Sink • Programmable Soft Start • Programmable Oscillator Frequency • External Oscillator Synchronization Capability application INFO available UCC1581 UCC2581 UCC3581 Note: Pin Connection shown for 14-pin Package UDG-95011-1 DESCRIPTION The UCC3581 voltage mode pulse width modulator is designed to control low power isolated DC - DC converters in applications such as Subscriber Line Power (ISDN I.430).