English

All Products

View All >>
  • UC3844N

UC3844N

8 Terminals 12V~28V 8-Pin UC3844 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs Up to 500kHz Transistor Driver


  • Manufacturer: Texas Instruments
  • Origchip NO: 815-UC3844N
  • Package: 8-DIP (0.300, 7.62mm)
  • Datasheet: PDF
  • Stock: 711
  • Description: 8 Terminals 12V~28V 8-Pin UC3844 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs Up to 500kHz Transistor Driver (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
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 1 day ago)
Mount DIP
Mounting Type Through Hole
Package / Case 8-DIP (0.300, 7.62mm)
Number of Pins 8
Weight 528.605208mg
Operating Temperature 0°C~70°C TA
Packaging Tube
JESD-609 Code e4
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Subcategory Switching Regulator or Controllers
Technology BICMOS
Terminal Position DUAL
Terminal Pitch 2.54mm
Frequency 450kHz
Base Part Number UC3844
Function Step-Up, Step-Down, Step-Up/Step-Down
Number of Outputs 1
Output Voltage 13.5V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Power Dissipation 1W
Output Current 1A
Voltage - Supply (Vcc/Vdd) 12V~28V
Quiescent Current 11mA
Control Features Frequency Control
Topology Boost, Buck, Buck-Boost, Flyback, Forward
Control Mode CURRENT-MODE
Frequency - Switching Up to 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time 50ns
Supply Current-Max (Isup) 25mA
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Nominal Input Voltage 25V
Max Duty Cycle 50 %
Input Current 11mA
Duty Cycle (Max) 48%
Height 5.08mm
Length 9.81mm
Width 6.35mm
Thickness 3.9mm
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free

UC3844N Overview


With its 8-DIP (0.300, 7.62mm) package, the switching controller fits the needs of most applications. There is sufficient capacity to generate switching controller for outputs 1. Packaged in solid enclosures, this pmic has a Tube rating. It is capable of handling Transistor Driver dc switching's outputs (s). This dc control has a supply voltage and operating voltage of 12V~28V. Work well in dc switchers with a 0°C~70°C TA. The switching controller can be switched at Up to 500kHz. dc dc regulator is made easier with Through Hole. For efficient switching control, the dcdc regulator features Frequency Control. SWITCHING CONTROLLER analog IC connects the switch converters. The switching converters's terminal (s) are designed at DUAL . 8 terminations with various dc switching's functions. PULSE WIDTH MODULATION is an example of one of the control techniques these dc dc converter ics adapt. The nominal DC switcher's voltage input is 15V. UC3844 can be used to locate other relevant dc to dc converter ics. 8 pins are on switching converter. In particular, switching converter belongs to the Switching Regulator or Controllers family. Test statistics indicate DC regulator outputs 13.5V voltage. If you start a project, note down the dc dc regulator's usual output current of 1A. voltage regulator dc to dcs with a 50 % duty cycle are designed to be reliable when powered on and powered off. In most applications and prototypes, DC switcher's DIP makes it suitable. Switching controller operates at a frequency of 450kHz. When the dc switching is dormant, it uses 11mA. You can set the input voltage to 25V for nominal working status. 25mA more than 25mA current should be supplied to the controller. If there is 11mA current flow input, then the switching converter could operate.

UC3844N Features


Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz

UC3844N Applications


There are a lot of Texas Instruments UC3844N DC to DC converter applications.

  • Electric water heaters
  • Communication system
  • Scientific testing
  • Domestic water pumps
  • Sink circuits
  • Power supplies of electronic gadgets
  • Telecommunications equipment
  • Elevator lighting
  • Die casting equipment
  • Electric heating, lighting