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UC3848 Datasheet PDF

Part Series:UC3848 Series
Category:DC-DC Converters
Description:Current Mode PWM Controller 2A 1000kHz 16Pin SOIC Tube
Document:UC3848DWG4 Datasheet PDF (22 Pages)

UC3848 Datasheet PDF DC-DC Converters

17 Pages
TI
IC REG CTRLR PWM CM 16DIP
17 Pages
TI
IC REG CTRLR PWM CM 16-SOIC

UC3848DW - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Frequency
450 kHz
Number of Pins
16 Pin
Supply Voltage (DC)
12.0V (min)
Case/Package
SOIC-16
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UC3848DW - TI Function Overview

DESCRIPTION
The UC3848 family of PWM control ICs makes primary side average current mode control practical for isolated switching converters. Average current mode control in sures 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.
FEATURES
•Practical Primary Side Control of Isolated Power Supplies with DC Control of Secondary Side Current
•Accurate Programmable Maximum Duty Cycle Clamp
•Maximum Volt-Second Product Clamp to Prevent Core Saturation
•Practical Operation Up to 1MHz
•High Current (2A Pk) Totem Pole Output Driver
•Wide Bandwidth (8MHz) Current Error Amplifier
•Under Voltage Lockout Monitors VCC,VIN and VREF
•Output Active Low During UVLO
•Low Startup Current (500µA)
•Precision 5V Reference (1%)
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