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TI UC3842AD8TR product image
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TI UC3842AD8TRRoHS

Manufacturer
TI
MPN
UC3842AD8TR
LCSC Part #
C182337
Packaging
SOIC-8
Customer #
Key Attributes
UCx84xA Current-Mode PWM Controller
Datasheetpdf iconTI UC3842AD8TR
In-Stock: 1,028
1,028 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 0.8552$ 0.86
10+$ 0.688$ 6.88
30+$ 0.6037$ 18.11
100+$ 0.5209$ 52.09
500+$ 0.4706$ 235.30
1,000+$ 0.4447$ 444.70
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Power Supply Controllers, Monitors
ManufacturerTI
PackagingSOIC-8
Synchronous Rectifier-
Output Current1A
Output TypeAdjustable
Function-
Frequency - Switching500kHz
Number of Outputs1
FeaturesCycle-by-cycle current limiting;Overcurrent Protection
Switch Tube (Built-In/External)External
Output Voltage-
Quiescent Current11mA
Operating Temperature0℃~+70℃
Operating Voltage12V~25V
TopologyFlyback
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control current - mode or switched - mode power supplies, this family of devices has many improved features: startup current is less than 0.5 mA, oscillator discharge is trimmed to 8.3 mA, and during UVLO, the output stage can sink at least 10 mA at less than 1.2 V for VCC over 5 V.

Features

AI Translation
  • Optimized for Off - Line and DC - DC Converters
  • Low Start - Up Current (<0.5 mA)
  • Trimmed Oscillator Discharge Current
  • Automatic Feedforward Compensation
  • Pulse - by - Pulse Current Limiting
  • Enhanced Load Response Characteristics
  • Undervoltage Lockout With Hysteresis
  • Double Pulse Suppression
  • High - Current Totem Pole Output
  • Internally - Trimmed Bandgap Reference
  • Up to 500 - kHz Operation
  • Create a Custom Design Using the UCx84xA With the WEBENCH Power Designer

Applications

AI Translation
  • Switch Mode Power Supplies (SMPS)
  • DC - DC Converters
  • Power Modules
  • Industrial PSU
  • Battery Operated PSU