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UTC UC3843AP-S08-R product image
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UTC UC3843AP-S08-RRoHS

Manufacturer
UTCAsian Brands
MPN
UC3843AP-S08-R
LCSC Part #
C71120
Packaging
SOIC-8
Customer #
Key Attributes
Current-mode PWM control circuit
Datasheetpdf iconUTC UC3843AP-S08-R
In-Stock: 4,685
4,685 In stock, ships now
Add to BOM List
QtyUnit PriceTotal Amount
5+$ 0.2064$ 1.03
50+$ 0.1612$ 8.06
150+$ 0.1419$ 21.29
500+$ 0.1177$ 58.85
2,500+$ 0.1016$ 254.00
5,000+$ 0.0951$ 475.50
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
ManufacturerUTC
PackagingSOIC-8
Operating Temperature0℃~+70℃
Output Current1A
Frequency - Switching47kHz~57kHz
Pd - Power Dissipation800mW
Voltage - Supply7V~8.2V
FeaturesUnder-voltage lockout;Slope compensation;Over Current Protection;Under Voltage Protection
Duty Cycle(Max)100%
Working ModePWM Modulation
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Additional Information

TypeDetails
Minimum5
Multiple5
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The UTC UC3842A/3843A provide the necessary functions to implement off-line or DC to DC fixed frequency current mode, controlled switching circuits with minimal external components.

Features

AI Translation
  • Low Start Up Current ( Typical 0.12mA )
  • Automatic Feed Forward Compensation
  • Pulse-by-Pulse Current Limiting
  • Under-voltage Lockout with Hysteresis
  • Double Pulse Suppression
  • High Current Totem Pole Output to Drive MOSFET Directly
  • Internally Trimmed Band Gap Reference
  • 500kHz Operation