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UC3824 Datasheet PDF

Part Series:
UC3824 Series
Category:
-
Description:
The UC1824 family of PWM control devices is optimized for high frequency switched mode power supply applications
Updated Time: 2023/09/27 09:01:40 (UTC + 8)

UC3824 Datasheet PDF -

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The UC1824 family of PWM control devices is optimized for high frequency switched mode power supply applications

UC3824 - TI Specifications

TYPE
DESCRIPTION
Case/Package
PDIP-16
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UC3824 - TI Function Overview

The UC1824 family of PWM control devices is optimized 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 1-V threshold, a TTL compatible shutdown port, and a soft-start pin which doubles 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 800 mV of hysteresis assures low start up current. During under-voltage lockout, the outputs are high impedance.
Complementary Outputs
Practical Operation Switching Frequenciesto 1 MHz
50-ns Propagation Delay to Output
High Current Dual Totem Pole Outputs (1.5 A Peak)
Wide Bandwidth Error Amplifier
Fully Latched Logic With Double Pulse Suppression
Pulse-by-Pulse Current Limiting
Soft Start/Maximum Duty Cycle Control
Under-Voltage Lockout with Hysteresis
Low Start Up Current (1.1 mA)
Trimmed Bandgap Reference (5.1 V ± 1%)
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