We use Cookies to give you best experience on our website. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Please see our Privacy Policy for more information.

Register or Sign In
Power Circuits / Switching Regulator or Controllers / UC3842BVDR2G
Datasheets
UC3842BVDR2G by: onsemi

High Performance Current Mode PWM Controller, SOIC-14 NB, 2500-REEL

Part Details for UC3842BVDR2G by onsemi

Results Overview of UC3842BVDR2G by onsemi

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Consumer Electronics Energy and Power Systems Renewable Energy

UC3842BVDR2G Information

UC3842BVDR2G by onsemi is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for UC3842BVDR2G

Part # Distributor Description Stock Price Buy
Bristol Electronics   5765
RFQ
Rochester Electronics UC3842B - Current-Mode PWM Controller ' RoHS: Compliant Status: Obsolete Min Qty: 1 9157
  • 1 $4.0000
  • 25 $3.9200
  • 100 $3.7600
  • 500 $3.6000
  • 1,000 $3.4000
$3.4000 / $4.0000 Buy Now
DISTI # UC3842BVDR2G
Avnet Silica Current Mode PWM Controller 1A 14Pin SOIC TR (Alt: UC3842BVDR2G) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 143 Weeks, 0 Days Silica - 0
Buy Now
DISTI # UC3842BVDR2G
EBV Elektronik Current Mode PWM Controller 1A 14Pin SOIC TR (Alt: UC3842BVDR2G) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 143 Weeks, 0 Days EBV - 0
Buy Now
Vyrian Other Function Semiconductors 4119
RFQ

Part Details for UC3842BVDR2G

UC3842BVDR2G CAD Models

There are no models available for this part yet.

Sign in to request this CAD model.

Register or Sign In

UC3842BVDR2G Part Data Attributes

Parametric Data
UC3842BVDR2G onsemi
Buy Now Datasheet
Compare Parts:
UC3842BVDR2G onsemi High Performance Current Mode PWM Controller, SOIC-14 NB, 2500-REEL
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer ONSEMI
Part Package Code SOIC-14 NB
Pin Count 14
Manufacturer Package Code 751A-03
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 4 Weeks
Samacsys Manufacturer onsemi
Analog IC - Other Type SWITCHING CONTROLLER
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 25 V
Input Voltage-Min 12 V
Input Voltage-Nom 15 V
JESD-30 Code R-PDSO-G14
JESD-609 Code e3
Length 8.65 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 14
Operating Temperature-Max 105 °C
Operating Temperature-Min -40 °C
Output Current-Max 1 A
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP14,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Surface Mount YES
Switcher Configuration BUCK-BOOST
Switching Frequency-Max 500 kHz
Technology BIPOLAR
Temperature Grade INDUSTRIAL
Terminal Finish MATTE TIN
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm

Alternate Parts for UC3842BVDR2G

This table gives cross-reference parts and alternative options found for UC3842BVDR2G. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of UC3842BVDR2G, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
UC3842BD onsemi Check for Price 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, SOIC-14 UC3842BVDR2G vs UC3842BD
UC3842BDR2 onsemi Check for Price 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, SOIC-14 UC3842BVDR2G vs UC3842BDR2
UC3842BVDR2 onsemi Check for Price 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, SOIC-14 UC3842BVDR2G vs UC3842BVDR2
Part Number Manufacturer Composite Price Description Compare
UC2842AD Unitrode Corporation Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14, SOIC-14 UC3842BVDR2G vs UC2842AD
UC2842BD1R2 onsemi Check for Price 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SOIC-8 UC3842BVDR2G vs UC2842BD1R2
E-UC3844BD1 STMicroelectronics Check for Price Current Mode PWM UC3842BVDR2G vs E-UC3844BD1
UC3843BVDG onsemi Check for Price High Performance Current Mode PWM Controller, SOIC-14 NB, 55-TUBE UC3842BVDR2G vs UC3843BVDG
UC2844DTR Unitrode Corp (RETIRED) Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14, UC3842BVDR2G vs UC2844DTR
UC3844BD1 STMicroelectronics $0.2677 Current Mode PWM UC3842BVDR2G vs UC3844BD1
SG2845DM-TR Microchip Technology Inc Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8 UC3842BVDR2G vs SG2845DM-TR
SG1846J Microsemi Corporation Check for Price Switching Controller, Current-mode, 0.5A, 500kHz Switching Freq-Max, CDIP16, HERMETIC SEALED, CERAMIC, DIP-16 UC3842BVDR2G vs SG1846J
5962-8670403V2A Texas Instruments Check for Price 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CQCC20, CERAMIC, LCC-20 UC3842BVDR2G vs 5962-8670403V2A
V62/03625-03YE Texas Instruments Check for Price Enhanced Product Current Mode Pwm Controller 8-SOIC -55 to 125 UC3842BVDR2G vs V62/03625-03YE

UC3842BVDR2G Related Parts

UC3842BVDR2G Frequently Asked Questions (FAQ)

  • The recommended operating voltage range for the UC3842BVDR2G is 12V to 28V, with a maximum rating of 30V.

  • To ensure stability and correct oscillation, make sure to decouple the VCC pin with a 1uF capacitor, and use a resistor and capacitor in the feedback loop to set the frequency and duty cycle.

  • The maximum output current of the UC3842BVDR2G is 1A, but it's recommended to limit the output current to 500mA for reliable operation.

  • Yes, the UC3842BVDR2G can be used for high-frequency switching applications up to 500kHz, but be aware of the increased power losses and heat generation at higher frequencies.

  • Use a voltage regulator or a voltage supervisor to protect the UC3842BVDR2G from overvoltage and undervoltage conditions. You can also add a zener diode or a TVS diode to clamp the voltage and prevent damage.