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UTC UC3844G-SO8-R product image
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UTC UC3844G-SO8-RRoHS

Manufacturer
UTCAsian Brands
MPN
UC3844G-SO8-R
LCSC Part #
C87304
Packaging
SOP-8
Customer #
Key Attributes
High-performance current-mode PWM controller
Datasheetpdf iconUTC UC3844G-SO8-R
In-Stock: 695
695 In stock, ships now
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QtyUnit PriceTotal Amount
5+$ 0.2112$ 1.06
50+$ 0.1653$ 8.27
150+$ 0.1456$ 21.84
500+$ 0.121$ 60.50
2,500+$ 0.1101$ 275.25
5,000+$ 0.1035$ 517.50
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
PackagingSOP-8
Operating Temperature0℃~+70℃
Output Current1A
Frequency - Switching47kHz~57kHz
Pd - Power Dissipation800mW
Voltage - Breakdown-
Voltage - Supply10V~25V
Topology-
FeaturesUnder-voltage lockout;Under Voltage Protection;Over Current Protection
Output Voltage13.5V
Duty Cycle(Max)48%
Feedback System-
Working ModePWM Modulation
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Additional Information

TypeDetails
Minimum5
Multiple5
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The UTC UC3844/3845 are high performance fixed frequency current mode controllers that specifically designed for Off-Line and DC to DC converter applications with minimal external parts count. The differences between UC3844 and UC3845 are the maximum duty cycle ranges and under-voltage lockout thresholds. The UC3844 ideally suited to off-line applications with UVLO thresholds of 16V(ON) and 10V(OFF), and UC3845 has UVLO thresholds of 8.5V(ON) and 7.6V(OFF) for lower voltage applications.

Features

AI Translation
  • Operation output switching frequency up to 500 kHz
  • Automatic feed forward compensation
  • Latching PWM for cycle-by-cycle current limiting
  • High current totem pole output
  • Internally trimmed reference with under voltage lockout
  • UVLO with hysteresis
  • Low startup and operating current