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UCC2809PW-2

Primary Side PWM Controller 0.8mA 1000kHz 8-Pin TSSOP Tube

Inventory:6,496

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Overview of UCC2809PW-2

The UCC2809PW-2 is a member of the UCC3809 family of BCDMOS economy low power integrated circuits, designed to provide all the necessary control and drive circuitry for off-line and isolated DC-to-DC fixed frequency current mode switching power supplies with minimal external parts count. This integrated circuit features undervoltage lockout with a startup current of less than 100µA, a user accessible voltage reference, logic for latched operation, a PWM comparator, and a totem pole output stage to sink or source peak current. With internally implemented circuits and full cycle soft start, the UCC2809PW-2 offers convenient and efficient power supply control

Key Features

  • User Programmable Soft Start With Active Low Shutdown
  • User Programmable Maximum Duty Cycle
  • Accessible 5V Reference
  • Undervoltage Lockout
  • Operation to 1MHz
  • 0.4A Source/0.8A Sink FET Driver
  • Low 100µA Startup Current

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Status Active Output Isolation Isolated
Internal Switch(s) No Topology Boost, Flyback, Forward
Voltage - Start Up 10 V Voltage - Supply (Vcc/Vdd) 8V ~ 19V
Duty Cycle 70% Frequency - Switching 1MHz
Control Features Frequency Control, Soft Start Operating Temperature -55°C ~ 150°C (TJ)
Package / Case TSSOP-8 Supplier Device Package 8-TSSOP
Mounting Type Surface Mount Base Product Number UCC2809
Manufacturer Texas Instruments Product Category Switching Controllers
RoHS Details Number of Outputs 1 Output
Switching Frequency 1 MHz Duty Cycle - Max 70 %
Output Current 800 mA Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C Mounting Style SMD/SMT
Brand Texas Instruments Height 1.15 mm
Length 3 mm Moisture Sensitive Yes
Product Type Switching Controllers Series UCC2809-2
Factory Pack Quantity 150 Subcategory PMIC - Power Management ICs
Type Economy Primary Side PWM Controller Width 4.4 mm
Unit Weight 0.001376 oz

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Warranty, Returns, and Additional Information

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    Returns for refund: within 90 days

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