COSINE · AC-DC Controllers And Regulators

UC3842BD

COSINE AC-DC Controllers And Regulators · SOP-8

Request a quote for UC3842BD

The UC3842BD is an AC-DC Controllers And Regulators from COSINE, supplied in a SOP-8 package. It is listed in our AC-DC Controllers catalog (Power Management).

Key specifications of the UC3842BD: frequency - switching 47kHz~57kHz, output current 1A, output voltage 5V, operating temperature -40°C~+125°C, duty cycle(max) 100% and feedback system Secondary-Side Feedback.

PartnerSemi sources the UC3842BD for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberUC3842BD
ManufacturerCOSINE
Product typeAC-DC Controllers And Regulators
CategoryAC-DC Controllers
Package / caseSOP-8
Duty Cycle(Max)100%
Feedback SystemSecondary-Side Feedback
Frequency - Switching47kHz~57kHz
IsolationIsolation
Operating Temperature-40°C~+125°C
Output Current1A
Output Voltage5V
TopologyFlyback
Voltage - Supply8V~30V
Working ModePWM Modulation

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

Similar part numbers from other manufacturers

Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.

Part numberManufacturerTypePackageKey specs
UC3842B UMW Youtai Semiconductor Co Ltd AC-DC Controllers And Regulators SOP-8 50kHz17mA
UC3842BN STMicroelectronics AC-DC Controllers And Regulators DIP-8 500kHz1A
UC3842BDG onsemi AC-DC Controllers And Regulators SOIC-14 500kHz1A
UC3842BNG onsemi AC-DC Controllers And Regulators PDIP-8 500kHz1A
UC3842BD1G onsemi AC-DC Controllers And Regulators SOIC-8 500kHz1A
UC3842BD(LX) lingxingic AC-DC Controllers And Regulators SOP-8 49kHz~55kHz1A
UC3842BN(LX) lingxingic AC-DC Controllers And Regulators DIP-8 49kHz~55kHz1A
UC3842BDR2G onsemi AC-DC Controllers And Regulators SOIC-14 500kHz1A

Frequently asked questions

What is the UC3842BD?

The UC3842BD is an AC-DC Controllers And Regulators from COSINE, supplied in a SOP-8 package. It is listed in our AC-DC Controllers catalog (Power Management).

What are the specifications of the UC3842BD?

Duty Cycle(Max): 100%; Feedback System: Secondary-Side Feedback; Frequency - Switching: 47kHz~57kHz; Isolation: Isolation; Operating Temperature: -40°C~+125°C; Output Current: 1A; Output Voltage: 5V; Topology: Flyback; Voltage - Supply: 8V~30V; Working Mode: PWM Modulation.

What package is the UC3842BD in?

The UC3842BD is listed in a SOP-8 package.

Which part numbers are similar to the UC3842BD?

Similar part numbers in our catalog include UC3842B (UMW Youtai Semiconductor Co Ltd), UC3842BN (STMicroelectronics), UC3842BDG (onsemi), UC3842BNG (onsemi), UC3842BD1G (onsemi) and UC3842BD(LX) (lingxingic). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the UC3842BD?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=UC3842BD&brand=COSINE or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.