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HXY MOSFET UC3842-HXY product image
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HXY MOSFET UC3842-HXYRoHS

Manufacturer
HXY MOSFETAsian Brands
MPN
UC3842-HXY
LCSC Part #
C7427352
Packaging
SOP-8
Customer #
Key Attributes
Two-Wire Serial EEPROM
Datasheetpdf iconHXY MOSFET UC3842-HXY
In-Stock: 70
70 In stock, ships now
Add to BOM List
QtyUnit PriceTotal Amount
5+$ 0.1523$ 0.76
50+$ 0.1194$ 5.97
150+$ 0.1054$ 15.81
500+$ 0.0878$ 43.90
2,500+$ 0.08$ 200.00
5,000+$ 0.0753$ 376.50
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/AC DC Converters, Offline Switchers
ManufacturerHXY MOSFET
PackagingSOP-8
Operating Temperature0℃~+70℃
Output Current1A
Frequency - Switching500kHz
Pd - Power Dissipation1W
Voltage - Breakdown-
Voltage - Supply16V~30V
TopologyFlyback
FeaturesUnder-voltage lockout;Over Current Protection;Under Voltage Protection
Output Voltage-
Duty Cycle(Max)96%
Feedback SystemPrimary-side feedback
Working ModePWM Modulation
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Additional Information

TypeDetails
Minimum5
Multiple5
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

UC3842 is a fixed-frequency current-mode PWM controller designed for off-line and DC-DC switching power supply applications. It integrates a temperature-compensated precision reference voltage, an adjustable oscillator for precise duty cycle control, a high-gain error amplifier, a current sensing comparator, and a high-current totem-pole output stage suitable for driving power MOSFETs. Additional protection features include single-cycle hysteretic current limiting, undervoltage lockout, adjustable dead time, and single-pulse metering latch. The device is available in DIP-8 or SOP-8 (SOIC-8) packages.

Features

AI Translation
  • Low startup current (< 0.5mA)
  • Automatic feed-forward compensation
  • Undervoltage lockout with hysteresis
  • Maximum duty cycle clamp
  • Operating frequency up to 500kHz