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Power Circuits / Switching Regulator or Controllers / UC2842AQD8R
Datasheets
UC2842AQD8R by: Texas Instruments

30-V, 1-A, automotive 500KHz current mode PWM controller with 16V/10V UVLO 100% duty cycle 8-SOIC -40 to 125

Part Details for UC2842AQD8R by Texas Instruments

Results Overview of UC2842AQD8R by Texas Instruments

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

UC2842AQD8R Information

UC2842AQD8R by Texas Instruments 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 UC2842AQD8R

Part # Distributor Description Stock Price Buy
DISTI # 296-15196-1-ND
DigiKey IC CURR MODE PWM CONTROLLR 8SOIC Min Qty: 1 Lead time: 6 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) Temporarily Out of Stock
  • 1 $0.8500
  • 2,500 $0.3998
  • 5,000 $0.3897
  • 7,500 $0.3846
  • 12,500 $0.3790
  • 17,500 $0.3758
  • 25,000 $0.3726
$0.3726 / $0.8500 Buy Now
DISTI # 595-UC2842AQD8R
Mouser Electronics Switching Controllers Auto Cat Crrnt-Mode A 595-UC2842AQD8 RoHS: Compliant 553
  • 1 $1.0200
  • 10 $0.9650
  • 25 $0.8670
  • 500 $0.7790
  • 1,000 $0.4000
  • 2,500 $0.3840
  • 7,500 $0.3640
$0.3640 / $1.0200 Buy Now
Rochester Electronics UC2842A Current Mode PWM Controller RoHS: Compliant Status: Active Min Qty: 1 163
  • 1 $0.3903
  • 25 $0.3825
  • 100 $0.3669
  • 500 $0.3513
  • 1,000 $0.3318
$0.3318 / $0.3903 Buy Now
DISTI # UC2842AQD8R
TME IC: PMIC, PWM controller, SO8, -40÷125°C, 16÷30V, reel,tape, 0÷96% Min Qty: 1 0
  • 1 $0.9770
  • 5 $0.8790
  • 25 $0.7770
  • 100 $0.6980
  • 500 $0.6510
  • 2,500 $0.6280
  • 5,000 $0.6050
$0.6050 / $0.9770 RFQ
Win Source Electronics IC CURR MODE PWM CONTROLLR 8SOIC 14110
  • 75 $0.7140
  • 175 $0.5859
  • 265 $0.5676
  • 365 $0.5493
  • 475 $0.5310
  • 635 $0.4761
$0.4761 / $0.7140 Buy Now

Part Details for UC2842AQD8R

UC2842AQD8R CAD Models

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UC2842AQD8R Part Data Attributes

Parametric Data
UC2842AQD8R Texas Instruments
Buy Now Datasheet
Compare Parts:
UC2842AQD8R Texas Instruments 30-V, 1-A, automotive 500KHz current mode PWM controller with 16V/10V UVLO 100% duty cycle 8-SOIC -40 to 125
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description SOIC-8
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Date Of Intro 1999-11-03
Samacsys Manufacturer Texas Instruments
Analog IC - Other Type SWITCHING CONTROLLER
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 28 V
Input Voltage-Min 12 V
Input Voltage-Nom 15 V
JESD-30 Code R-PDSO-G8
JESD-609 Code e4
Length 4.9 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 8
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 1 A
Output Voltage-Max 5.05 V
Output Voltage-Min 4.95 V
Output Voltage-Nom 5 V
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP8,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Supply Voltage-Max (Vsup) 28 V
Supply Voltage-Min (Vsup) 16 V
Surface Mount YES
Switcher Configuration BUCK-BOOST
Switching Frequency-Max 500 kHz
Technology BIPOLAR
Temperature Grade AUTOMOTIVE
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
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 UC2842AQD8R

This table gives cross-reference parts and alternative options found for UC2842AQD8R. 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 UC2842AQD8R, 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
MIC38HC42BM Micrel Inc Check for Price Switching Controller Current-mode 1A 500kHz Switching Freq-Max BICMOS PDSO8 UC2842AQD8R vs MIC38HC42BM
MIC38HC42YMTR Micrel Inc Check for Price 1A SWITCHING REGULATOR, 500kHz SWITCHING FREQ-MAX, PDSO8, LEAD FREE, SOIC-8 UC2842AQD8R vs MIC38HC42YMTR
MIC38HC42YM-TR Microchip Technology Inc $0.7452 1A SWITCHING REGULATOR, 500kHz SWITCHING FREQ-MAX, PDSO8 UC2842AQD8R vs MIC38HC42YM-TR
Part Number Manufacturer Composite Price Description Compare
MIC38HC42BMT&R Microchip Technology Inc Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8, 0.150 INCH, SOIC-8 UC2842AQD8R vs MIC38HC42BMT&R
MIC38HC42BM Microchip Technology Inc Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8, SOIC-8 UC2842AQD8R vs MIC38HC42BM
MIC38HC42YM-TR Micrel Inc Check for Price Switching Regulator, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8, LEAD FREE, SOIC-8 UC2842AQD8R vs MIC38HC42YM-TR
MIC38HC42BMT&R Micrel Inc Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8, 0.150 INCH, SOIC-8 UC2842AQD8R vs MIC38HC42BMT&R
MIC38HC42YMTR Microchip Technology Inc Check for Price 1A SWITCHING REGULATOR, 500kHz SWITCHING FREQ-MAX, PDSO8, LEAD FREE, SOIC-8 UC2842AQD8R vs MIC38HC42YMTR
MIC38HC44-1BM Microchip Technology Inc Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO14, PLASTIC, SOIC-14 UC2842AQD8R vs MIC38HC44-1BM
MIC38HC42-1BN Microchip Technology Inc Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDIP14, PLASTIC, DIP-14 UC2842AQD8R vs MIC38HC42-1BN
MIC38HC44BMT&R Microchip Technology Inc Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8, 0.150 INCH, SOIC-8 UC2842AQD8R vs MIC38HC44BMT&R
MIC38HC44BMT&R Micrel Inc Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8, 0.150 INCH, SOIC-8 UC2842AQD8R vs MIC38HC44BMT&R
MIC38HC44-1BMT&R Micrel Inc Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO14, 0.150 INCH, SOIC-14 UC2842AQD8R vs MIC38HC44-1BMT&R

UC2842AQD8R Related Parts

UC2842AQD8R Frequently Asked Questions (FAQ)

  • The UC2842AQD8R is a high-frequency device, and proper layout and placement are crucial to minimize EMI and ensure reliable operation. It is recommended to follow the layout guidelines provided in the datasheet and application notes, including keeping the input and output stages separate, using a solid ground plane, and minimizing loop areas.

  • The choice of external components depends on the specific application requirements, such as output voltage, current, and frequency. The datasheet provides guidelines for selecting the transformer and output filter components, including the turns ratio, inductance, and capacitance values. Additionally, TI provides application notes and design tools to help with component selection.

  • The UC2842AQD8R has a maximum junction temperature of 150°C. To ensure reliable operation, it is essential to provide adequate heat sinking and thermal management. This includes using a heat sink with a thermal resistance of less than 10°C/W, ensuring good airflow, and avoiding thermal hotspots.

  • Troubleshooting the UC2842AQD8R requires a systematic approach. Start by verifying the power supply voltage, input and output waveforms, and component values. Check for oscillations, noise, and instability, and ensure that the device is operated within the recommended specifications. TI provides application notes and troubleshooting guides to help identify and resolve common issues.

  • The UC2842AQD8R is a high-voltage device, and safety considerations are essential to prevent electrical shock, fire, or other hazards. Ensure that the device is operated within the recommended specifications, and follow proper safety precautions when handling the device and designing the circuit. Additionally, follow relevant safety standards and regulations, such as UL and IEC.