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HGSEMI UC2842N product image
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HGSEMI UC2842NRoHS

Manufacturer
HGSEMIAsian Brands
MPN
UC2842N
LCSC Part #
C7432120
Packaging
DIP-8
Customer #
Key Attributes
UC2842 Constant Frequency Current Mode PWM Controller
Datasheetpdf iconHGSEMI UC2842N
In-Stock: 1,485
1,485 In stock, ships now
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QtyUnit PriceTotal Amount
5+$ 0.2312$ 1.16
50+$ 0.2019$ 10.10
150+$ 0.1894$ 28.41
500+$ 0.1737$ 86.85
2,000+$ 0.1667$ 333.40
4,000+$ 0.1625$ 650.00
Standard Packaging50/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerHGSEMI
PackagingDIP-8
Operating Temperature-40℃~+85℃
Frequency - Switching52kHz
Number of Outputs1
Function-
FeaturesOvercurrent Protection;External compensation
Output Type-
Topology-
Operating Voltage30V
Switch tube (built-in/external)External
Output Current1A
Output Voltage-
Quiescent Current12mA
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Additional Information

TypeDetails
Minimum5
Multiple5
Standard Packaging50
Sales UnitPiece

Introduction

AI Translation

UC2842 is a constant-frequency current-mode PWM controller designed for off-line and DC-DC switching power supply applications. It integrates a temperature-compensated precision reference, an adjustable oscillator for precise duty cycle control, a high-gain error amplifier, a current sense comparator, a high-current totem-pole output stage suitable for driving power MOSFETs, as well as protection circuits including single-cycle hysteretic current limiting, undervoltage lockout (UVLO), adjustable dead time, and single-pulse metering latch. UC2842 is available in DIP8 and SOP8 packages.

Features

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