Datasheets
UC3842BNG by:

High Performance Current Mode PWM Controller, 8 LEAD PDIP, 50-TUBE

Part Details for UC3842BNG by onsemi

Results Overview of UC3842BNG by onsemi

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Applications Consumer Electronics Energy and Power Systems Renewable Energy

UC3842BNG Information

UC3842BNG 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 UC3842BNG

Part # Distributor Description Stock Price Buy
DISTI # 88H5155
Newark Current Mode Pwm Controller, 25V, 8-Dip, Power Supply Controller Type:Single Ended Controller, No. Of Channels:1Channels, Control Mode:Current, Supply Voltage Min:12V, Supply Voltage Max:25V, Ic Case/Package:Dip, No. Of Pins:8Pins Rohs Compliant: Yes |Onsemi UC3842BNG RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 298
  • 1 $1.9700
  • 10 $0.9880
  • 100 $0.7640
  • 500 $0.7140
  • 1,000 $0.6640
  • 2,500 $0.6440
$0.6440 / $1.9700 Buy Now
DISTI # 88H5155
Avnet Americas Current Mode PWM Controller 1A 8-Pin PDIP Rail - Bulk (Alt: 88H5155) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 25 Weeks, 4 Days Container: Bulk 238 Partner Stock
  • 1 $1.7800
  • 10 $0.9340
  • 100 $0.6990
  • 500 $0.6660
  • 1,000 $0.6430
$0.6430 / $1.7800 Buy Now
DISTI # UC3842BNG
Avnet Americas Current Mode PWM Controller 1A 8-Pin PDIP Rail - Rail/Tube (Alt: UC3842BNG) RoHS: Compliant Min Qty: 1800 Package Multiple: 50 Lead time: 15 Weeks, 0 Days Container: Tube 0
  • 1,300 $0.3871
  • 1,400 $0.3851
  • 2,700 $0.3831
  • 6,500 $0.3812
  • 13,000 $0.3648
$0.3648 / $0.3871 Buy Now
DISTI # 70100726
RS UC3842BNG, PWM Current Mode Controller, 1 A, 500 kHz 8-Pin PDIP | ON Semiconductor UC3842BNG RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Container: Bulk 0
  • 1 $1.6100
  • 10 $1.5300
  • 50 $1.4600
  • 100 $1.3700
$1.3700 / $1.6100 RFQ
Bristol Electronics   128
RFQ
Rochester Electronics UC3842 Current-Mode PWM Controller RoHS: Compliant Status: Active Min Qty: 1 294556
  • 1 $0.5417
  • 25 $0.5309
  • 100 $0.5092
  • 500 $0.4875
  • 1,000 $0.4604
$0.4604 / $0.5417 Buy Now
DISTI # UC3842BNG
TME IC: PMIC, PWM controller, 1A, 48÷500kHz, Ch: 1, DIP8, flyback, 0÷96% Min Qty: 1 19
  • 1 $0.9460
  • 10 $0.8220
  • 25 $0.7240
  • 50 $0.6460
  • 100 $0.5760
  • 500 $0.4570
  • 1,000 $0.4460
$0.4460 / $0.9460 Buy Now
DISTI # UC3842BNG
Avnet Asia Current Mode PWM Controller 1A 8-Pin PDIP Rail (Alt: UC3842BNG) RoHS: Compliant Min Qty: 1850 Package Multiple: 50 Lead time: 15 Weeks, 0 Days 0
  • 1,850 $0.3721
  • 3,700 $0.3673
  • 5,550 $0.3626
  • 9,250 $0.3580
  • 18,500 $0.3491
  • 46,250 $0.3407
  • 92,500 $0.3327
$0.3327 / $0.3721 Buy Now
DISTI # UC3842BNG
Avnet Silica Current Mode PWM Controller 1A 8Pin PDIP Rail (Alt: UC3842BNG) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 16 Weeks, 0 Days Silica - 1400
Buy Now
DISTI # UC3842BNG
EBV Elektronik Current Mode PWM Controller 1A 8Pin PDIP Rail (Alt: UC3842BNG) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 16 Weeks, 0 Days EBV - 2250
Buy Now
LCSC 500kHz 10V30V DIP-8 AC-DC Controllers and Regulators ROHS 64
  • 1 $1.5558
  • 10 $1.3032
  • 50 $1.0459
  • 100 $0.8888
  • 500 $0.8195
  • 1,000 $0.7887
$0.7887 / $1.5558 Buy Now
New Advantage Corporation PDIP 8/C�/HIGH PERFORMANCE CURRENT MODE CONTROLLER RoHS: Compliant Min Qty: 1 Package Multiple: 50 1850
  • 400 $0.6398
  • 1,850 $0.5921
$0.5921 / $0.6398 Buy Now
Win Source Electronics Current Mode PWM Controller 1A 500kHz 8-Pin PDIP Tube / IC REG CTRLR BST FLYBK ISO 8-DIP 12000
  • 90 $0.5712
  • 215 $0.4687
  • 335 $0.4541
  • 460 $0.4394
  • 590 $0.4248
  • 790 $0.3808
$0.3808 / $0.5712 Buy Now
Wuhan P&S High Performance Current Mode Controllers Min Qty: 1 1800
  • 1 $1.0700
  • 100 $0.6800
  • 500 $0.5600
  • 1,000 $0.5200
$0.5200 / $1.0700 Buy Now

Part Details for UC3842BNG

UC3842BNG CAD Models

UC3842BNG Part Data Attributes

UC3842BNG onsemi
Buy Now Datasheet
Compare Parts:
UC3842BNG onsemi High Performance Current Mode PWM Controller, 8 LEAD PDIP, 50-TUBE
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ONSEMI
Part Package Code 8 LEAD PDIP
Pin Count 8
Manufacturer Package Code 626-05
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 25 Weeks, 4 Days
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-PDIP-T8
JESD-609 Code e3
Length 9.78 mm
Number of Functions 1
Number of Terminals 8
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Current-Max 1 A
Package Body Material PLASTIC/EPOXY
Package Code DIP
Package Equivalence Code DIP8,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Qualification Status Not Qualified
Seated Height-Max 4.45 mm
Surface Mount NO
Switcher Configuration BUCK-BOOST
Switching Frequency-Max 500 kHz
Technology BIPOLAR
Temperature Grade COMMERCIAL
Terminal Finish MATTE TIN
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Width 7.62 mm

UC3842BNG Related Parts

UC3842BNG Frequently Asked Questions (FAQ)

  • The recommended operating voltage range for the UC3842BNG is 12V to 28V, with a maximum rating of 30V.

  • To ensure stability, it's essential to follow the recommended layout guidelines, use a suitable output capacitor, and add a compensation network (e.g., RC network) to the feedback loop.

  • The UC3842BNG can operate up to 500 kHz, but the recommended maximum switching frequency is 300 kHz for optimal performance and efficiency.

  • Yes, the UC3842BNG can be used for isolated topologies like flyback converters, but it requires additional components, such as a transformer and an optocoupler, to provide isolation and feedback.

  • The RSENSE value depends on the maximum current limit required, the input voltage, and the desired current sense threshold. A general guideline is to choose a value that sets the current sense threshold between 0.5V to 1.5V.

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