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UTC UC3842BL-S08-R product image
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UTC UC3842BL-S08-RRoHS

Manufacturer
UTCAsian Brands
MPN
UC3842BL-S08-R
LCSC Part #
C75524
Packaging
SOIC-8
Customer #
Key Attributes
High Performance Current Mode Controllers
Datasheetpdf iconUTC UC3842BL-S08-R
In-Stock: 136
136 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 0.2736$ 0.27
10+$ 0.2169$ 2.17
30+$ 0.1925$ 5.78
100+$ 0.1621$ 16.21
500+$ 0.1486$ 74.30
1,000+$ 0.138$ 138.00
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
ManufacturerUTC
PackagingSOIC-8
Operating Temperature0℃~+70℃
Output Current1A
Frequency - Switching49kHz~55kHz
Pd - Power Dissipation300mW
FeaturesUnder-voltage lockout;Slope compensation;Under Voltage Protection;Over Current Protection
Duty Cycle(Max)94%
Working ModePWM Modulation
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The UTC UC3842B/3843B are specifically designed for off-line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. The UC3842B has UVLO thresholds 16V (on) and 10V(off), ideally suited for off-line converters. The UC3843B is tailored for lower voltage applications having UVLO thresholds of 8.4V(on) and 7.6V(off).

Features

AI Translation
  • Trimmed oscillator for precise frequency control
  • Oscillator frequency guaranteed at 250kHz
  • Current mode operation to 500kHz
  • Automatic feed forward compensation
  • Latching PWM for cycle-by-cycle current limiting
  • Internally trimmed reference with undervoltage lockout
  • High current totem pole output
  • Undervoltage lockout with hysteresis
  • Low startup and operating current