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UC3846 Datasheet PDF

Part Series:
UC3846 Series
Category:
Voltage Regulators
Description:
Current Mode PWM Controller 500mA 500kHz 16Pin PDIP Tube
Updated Time: 2023/01/13 01:29:47 (UTC + 8)

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UC3846N - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Frequency
500 kHz
Number of Pins
16 Pin
Supply Voltage (DC)
40.0V (max)
Operating Voltage
6.95V ~ 40V
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UC3846N - TI Function Overview

The UC3846N is a Current Mode PWM Controller that provides all of the necessary features to implement fixed frequency, current mode control schemes while maintaining a minimum external parts count. The superior performance of this technique can be measured in improved line regulation, enhanced load response characteristics and a simpler, easier-to-design control loop. Topological advantages include inherent pulse-by-pulse current limiting capability, automatic symmetry correction for push-pull converters and the ability to parallel "power modules" while maintaining equal current sharing. Protection circuitry includes built-in under-voltage lockout and programmable current limit in addition to soft start capability. A shut-down function is also available which can initiate either a complete shutdown with automatic restart or latch the supply off. Other features include fully latched operation, double pulse suppression, deadline adjust capability and a ±1% trimmed bandgap reference.
Automatic feed forward compensation
Programmable pulse-by-pulse current limiting
Automatic symmetry correction in push-pull configuration
Enhanced load response characteristics
Parallel operation capability for modular power systems
Differential current sense amplifier with wide common mode range
Double pulse suppression
500mA (Peak) totem-pole outputs
±1% bandgap reference
Under-voltage lockout
Soft-start capability
Shutdown terminal
Green product and no Sb/Br
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