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LM2842

PinoutSpecificationsOutput Current600 mAInput Min Voltage4.5 VoltInput Max Voltage42 VoltOutput Min0.765 VoltOutput Max34 VoltFrequency Min550 kHzFrequency Max1250 kHzEfficiency (peak)85 %On/Off PinYesError FlagNoSoftStartYesSync PinNoInvertingNoFlybackNoRegTypeSwitching RegulatorTemperature Min-4...

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SeekIC No. : 004395081 Detail

LM2842: PinoutSpecificationsOutput Current600 mAInput Min Voltage4.5 VoltInput Max Voltage42 VoltOutput Min0.765 VoltOutput Max34 VoltFrequency Min550 kHzFrequency Max1250 kHzEfficiency (peak)85 %On/Off Pin...

LM2842 Data Sheet

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Part Number:
LM2842
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/18

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Product Details

Description



Pinout




Specifications

Output Current600 mA
Input Min Voltage4.5 Volt
Input Max Voltage42 Volt
Output Min0.765 Volt
Output Max34 Volt
Frequency Min550 kHz
Frequency Max1250 kHz
Efficiency (peak)85 %
On/Off PinYes
Error FlagNo
SoftStartYes
Sync PinNo
InvertingNo
FlybackNo
RegTypeSwitching Regulator
Temperature Min-40 deg C
Temperature Max125 deg C
Adjustable OutputYes
Adj Switch FrequencyNo
PWM Modecurrent mode
Topologynon-synchronous
Step-DownYes
Multiple Output CapabilityNo
AEC Q-100 Automotive Grade0
Automotive Selection GuideNo
PowerWiseNo
Synchronous RectificationNo
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Description

The LM2841 and LM2842 are PWM DC/DC buck (step-down) regulators. With a wide input range from 4.5V-42V, they are suitable for a wide range of applications such as power conditioning from unregulated sources. They feature a low RDSON (0.9Ω typical) internal switch for maximum efficiency (85% typical). Operating frequency is fixed at 550 kHz (X version) and 1.25 MHz (Y version) allowing the use of small external components while still being able to have low output voltage ripple. Soft-start can be implemented using the shutdown pin with an external RC circuit allowing the user to tailor the soft-start time to a specific application.

The LM2842 is optimized for up to 600 mA load currents while the LM2841 is optimized for up to 300 mA load current. Both have a 0.765V nominal feedback voltage.

Additional features include: thermal shutdown, VIN under-voltage lockout, and gate drive under-voltage lockout. The LM2841 and LM2842 are available in a low profile TSOT-6L package.

Application Notes

Title Size in Kbytes Date
AN-1908: Application Note 1908 LM2842 Evaluation Board 427 Kbytes 8-Apr-09 Download

If you have trouble printing or viewing PDF file(s), see Printing Problems.

More Application Notes

Title Size in Kbytes Date
AN-1876: Application Note 1876 LM2841 Evaluation Board 385 Kbytes 6-Apr-09 Download

If you have trouble printing or viewing PDF file(s), see Printing Problems.




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