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UC2848DWTRG4

UC2848DWTRG4
Mfr. #:
UC2848DWTRG4
Manufacturer:
Texas Instruments
Description:
Switching Controllers Average Current Mode
Lifecycle:
New from this manufacturer.
Datasheet:
UC2848DWTRG4 Datasheet
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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ECAD Model:
Product Attribute
Attribute Value
Tags
UC2848D, UC2848, UC284, UC28, UC2
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Step1: Vacuum Packaging with PL
Step1:
Vacuum Packaging with PL
Step2: Anti-Static Bag
Step2:
Anti-Static Bag
Step3: Packaging Boxes
Step3:
Packaging Boxes
***et
Current Mode PWM Controller 2A 16-Pin SOIC T/R
***ser
PWM Power Supply Controllers Average Current Mode
***ark
Pulse Width Modulation (PWM) Controller IC; Frequency:450kHz; No. of Pins:16; Operating Temperature Range:-40°C to +85°C; Control Mode:Current; Leaded Process Compatible:Yes; Number of PWM Outputs:1; Package/Case:16-SOIC RoHS Compliant: Yes
***as Instruments
The UC3848 family of PWM control ICs makes primary side average current mode control practical for isolated switching converters. Average current mode control insures that both cycle by cycle peak switch current and maximum average inductor current are well defined and will not run away in a short circuit situation. The UC3848 can be used to control a wide variety of converter topologies. In addition to the basic functions required for pulse width modulation, the UC3848 implements a patented technique of sensing secondary current in an isolated buck derived converter from the primary side. A current wave-form synthesizer monitors switch current and simulates the inductor current down slope so that the complete current waveform can be constructed on the primary side without actual secondary side measurement. This information on the primary side allows for full DC control of output current. The UC3848 circuitry includes a precision reference, a wide bandwidth error amplifier for average current control, an oscillator to generate the system clock, latching PWM comparator and logic circuits, and a high current output driver. The current error amplifier easily interfaces with an optoisolator from a secondary side voltage sensing circuit. A full featured undervoltage lockout (UVLO) circuit is contained in the UC3848. UVLO monitors the supply voltage to the controller (VCC), the reference voltage (VREF), and the input line voltage (VIN). All three must be good before soft start commences. If either VCC or VIN is low, the supply current required by the chip is only 500A and the output is actively held low. Two on board protection features set controlled limits to prevent transformer core saturation. Input voltage is monitored and pulse width is constrained to limit the maximum volt-second product applied to the transformer. A unique patented technique limits maximum duty cycle within 3% of a user programmed value. These two features allow for more optimal use of transformers and switches, resulting in reduced system size and cost. Patents embodied in the UC3848 belong to Lambda Electronics Incorporated and are licensed for use in applications employing these devices.
Part # Mfg. Description Stock Price
UC2848DWTRG4
DISTI # 595-UC2848DWTRG4		Texas InstrumentsSwitching Controllers Average Current Mode
RoHS: Compliant		0
    Image Part # Description
    UC2848DWG4

    Mfr.#: UC2848DWG4

    OMO.#: OMO-UC2848DWG4

    		 Switching Controllers Average Current Mode
    UC2848DW

    Mfr.#: UC2848DW

    OMO.#: OMO-UC2848DW-TEXAS-INSTRUMENTS

    		 IC REG CTRLR PWM CM 16-SOIC
    UC2848DWG4

    Mfr.#: UC2848DWG4

    OMO.#: OMO-UC2848DWG4-TEXAS-INSTRUMENTS

    		 IC REG CTRLR PWM CM 16-SOIC
    UC2848DWTRG4

    Mfr.#: UC2848DWTRG4

    OMO.#: OMO-UC2848DWTRG4-1190

    		 Switching Controllers Average Current Mode
    UC2848J

    Mfr.#: UC2848J

    OMO.#: OMO-UC2848J-1190

    		 New and Original
    Availability
    Stock:
    Available
    On Order:
    2000
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    Due to semiconductor in short supply from 2021,below price is the Normal price before 2021.please send inquire to confirm.
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