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TI UCC3809DTR-2RoHS

Manufacturer
TI
MPN
UCC3809DTR-2
LCSC Part #
C3093716
Packaging
SOIC-8
Customer #
Key Attributes
Economy Primary Side Controller
Datasheetpdf iconTI UCC3809DTR-2
In-Stock: 140
140 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 1.8216$ 1.82
10+$ 1.6721$ 16.72
30+$ 1.5778$ 47.33
100+$ 1.3536$ 135.36
500+$ 1.3097$ 654.85
1,000+$ 1.2902$ 1290.20
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
ManufacturerTI
PackagingSOIC-8
Operating Temperature0℃~+70℃
Output Current800mA
Frequency - Switching90kHz~110kHz
Voltage - Breakdown-
Voltage - Supply8V~19V
FeaturesAdjustable soft-start;Under-voltage lockout;Slope compensation;Leading edge blanking;Under Voltage Protection
TopologyFlyback
Output Voltage5V
Duty Cycle(Max)70%
Feedback SystemSecondary-Side Feedback
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The UCC3809 family of BCDMOS economy low power integrated circuits contains all the control and drive circuitry required for off - line and isolated DC - to - DC fixed frequency current mode switching power supplies with minimal external parts count. Internally implemented circuits include undervoltage lockout featuring startup current less than 100μA, a user accessible voltage reference, logic to ensure latched operation, a PWM comparator, and a totem pole output stage to sink or source peak current. The output stage, suitable for driving N - Channel MOSFETs, is low in the off state. Oscillator frequency and maximum duty cycle are programmed with two resistors and a capacitor. The UCC3809 family also features full cycle soft start. The UCC3809 and the UCC2809 are offered in the 8 pin SOIC (D), PDIP (N), TSSOP (PW), and MSOP (P) packages. The small TSSOP and MSOP packages make the device ideal for applications where board space and height are at a premium.

Features

AI Translation
  • User Programmable Soft Start With Active Low Shutdown
  • User Programmable Maximum Duty Cycle
  • Accessible 5V Reference
  • Undervoltage Lockout