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UC3825 Datasheet PDF

Part Series:UC3825 Series
Category:Voltage Regulators
Description:Driver; PWM controller; 0.5A; 1W; Channels:2; 9.2÷30V; 1MHz; DIP16
Document:UC3825ADW Datasheet PDF (26 Pages)

UC3825 Datasheet PDF Voltage Regulators

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UC3825N - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Frequency
1 MHz
Number of Pins
16 Pin
Supply Voltage (DC)
10.0V (min)
Operating Voltage
9.2V ~ 30V
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UC3825N - TI Function Overview

The UC3825N is a High Speed Pulse Width Modulation (PWM) Controller designed for high frequency switched mode power supply applications. Particular care was given to minimizing propagation delays through the comparators and logic circuitry while maximizing bandwidth and slew rate of the error amplifier. This controller is designed for use in either current-mode or voltage mode systems with the capability for input voltage feed-forward. Protection circuitry includes a current limit comparator with a 1V threshold, a TTL compatible shutdown port and a soft start pin which will double as a maximum duty cycle clamp. The logic is fully latched to provide jitter free operation and prohibit multiple pulses at an output. An under-voltage lockout section with 800mV of hysteresis assures low start up current. During under-voltage lockout, the outputs are high impedance.
Green product and no Sb/Br
Compatible with voltage or current mode topologies
High current dual totem pole outputs
Wide bandwidth error amplifier
Fully latched logic with double pulse suppression
Pulse-by-pulse current limiting
Soft start/max duty cycle control
Under-voltage lockout with hysteresis
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