English

All Products

View All >>
  • UC2851NG4

UC2851NG4

18 Terminations18 Pin AC to DC power converter1 Outputs500kHz


  • Manufacturer: Texas Instruments
  • Origchip NO: 815-UC2851NG4
  • Package: PDIP
  • Datasheet: PDF
  • Stock: 172
  • Description: 18 Terminations18 Pin AC to DC power converter1 Outputs500kHz (Kg)

Purchase & Inquiry

Transport

Purchase

You may place an order without registering to Utmel.
We strongly suggest you sign in before purchasing as you can track your order in real time.

Means of Payment

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.

RFQ (Request for Quotations)

It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.

IMPORTANT NOTICE

1. You'll receive an order information email in your inbox. (Please remember to check the spam folder if you didn't hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping Cost

Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

Delivery Time

Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:

FedEx International, 5-7 business days.

The following are some common countries' logistic time.
transport

Details

Tags

Parameters
Package / Case PDIP
Surface Mount NO
Number of Pins 18
Weight 1.206102g
Packaging Rail/Tube
JESD-609 Code e4
Number of Terminations 18
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature 85°C
Min Operating Temperature -40°C
Additional Feature CURRENT MODE OPERATION IS ALSO POSSIBLE
Subcategory Switching Regulator or Controllers
Technology BIPOLAR
Terminal Position DUAL
Terminal Form THROUGH-HOLE
Number of Functions 1
Terminal Pitch 2.54mm
Frequency 450kHz
Pin Count 18
Number of Outputs 1
Input Voltage-Nom 20V
Temperature Grade INDUSTRIAL
Max Supply Voltage 30V
Min Supply Voltage 8V
Analog IC - Other Type SWITCHING CONTROLLER
Power Dissipation-Max 1W
Nominal Supply Current 15mA
Current - Output 400mA
Voltage - Output 40V
Topology Flyback, Boost
Control Mode VOLTAGE-MODE
Frequency - Switching 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time 50ns
Fall Time (Typ) 50 ns
Nominal Input Voltage 30V
Switcher Configuration SINGLE
Power - Output 1W
Max Duty Cycle 46 %
Isolation Non-Isolated
Duty Cycle (Max) 46 %
Height Seated (Max) 5.08mm
Length 22.48mm
Width 7.62mm
Radiation Hardening No
RoHS Status RoHS Compliant
Lead Free Lead Free

UC2851NG4 Overview


There is a ac to dc converter embedded in package PDIP .It is available in Rail/Tube AC/DC power converter.Analog ICs of type SWITCHING CONTROLLER are used in this AC DC converter.At this point, the switching frequency reaches 500kHz .It has a total of 18 terminations.There are 18 pins on this ac/dc converter.The pins of the ac-dc converter total to 18 .There are 1 outputs to be run.AC to DC converter is contained in Switching Regulator or Controllers .AC to DC converter is able to reach high efficiency when its frequency is 450kHz .Using this ACDC converter, it is also possible to identify CURRENT MODE OPERATION IS ALSO POSSIBLE .By setting the maximum value to 85°C , stability is ensured.It is necessary that the minimum working temperature of this isolated switch not fall below -40°C .With a 400mA output current, it allows for maximum design flexibility.The AC to DC power supply can function with a supply voltage as low as 8V .This AC to DC power converter has a voltage output of 40V .

UC2851NG4 Features


Packaged with PDIP
Switching Frequency at 500kHz
With 18 pins

UC2851NG4 Applications


There are a lot of Texas Instruments UC2851NG4 AC DC Converters applications.

  • 3.3V power supplies
  • Adapter/Charger for Cordless Phones
  • Standby Power Supplies
  • Air Conditioning
  • AC/DC LED Driver applications
  • Battery chargers for smart phones
  • Set-top boxes
  • Battery chargers for media tablets
  • Standby Power for General Off-Line Applications
  • Replaces linear transformers