UC3842BVD1G

Description：IC REG CTRLR BST FLYBK ISO 8SOIC
Series：-
Mfr：onsemi
Package：Tube

SKU:e5e440660e64 Category: DC DC Switching Controllers Brand: onsemi

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Product introduction

UC3842BVD1G is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG CTRLR BST FLYBK ISO 8SOIC. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for UC3842BVD1G

Description：IC REG CTRLR BST FLYBK ISO 8SOIC
Series：-
Mfr：onsemi
Package：Tube
Output Type：Transistor Driver
Function：Step-Up, Step-Up/Step-Down
Output Configuration：Positive, Isolation Capable
Topology：Boost, Flyback
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：10V ~ 30V
Frequency - Switching：Up to 500kHz
Duty Cycle (Max)：96%
Synchronous Rectifier：No
Clock Sync：No
Serial Interfaces：-
Control Features：Frequency Control
Operating Temperature：-40°C ~ 105°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for UC3842BVD1G

UC3842BVD1G

DC DC Switching Controllers Overview

The UC3842BVD1G is a high-performance current mode PWM controller designed for offline and DC-DC converters. It operates at switching frequencies up to 500 kHz with a maximum duty cycle of 96%. The device features a 1 A output drive capability, an operating temperature range from -40°C to +105°C, and utilizes an SOIC-8 surface-mount package.

DC DC Switching Controllers Feature Summary

High-current totem pole output stage capable of directly driving power MOSFETs
Integrated automatic feed-forward compensation for line regulation
Pulse-by-pulse current limiting with latch-off protection
Internal bandgap reference with under-voltage lockout featuring hysteresis

DC DC Switching Controllers Applications

Offline flyback converter designs
Forward converter topologies
Boost DC-DC step-up regulators
General-purpose isolated power supply systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'G' confirms lead-free and halogen-free compliance status as per manufacturer environmental declarations. Confirm that the SOIC-8 package dimensions match the target PCB footprint requirements. Ensure the component is sourced from authorized channels to guarantee authenticity and traceability for industrial applications.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring robust current-mode control with high-frequency operation capabilities. The wide operating temperature range supports demanding environments. Consider the 1 A peak output current when sizing external gate resistors and driver stages for optimal switching performance and thermal management.

DC DC Switching Controllers Part Context

This part belongs to the UC3842B series of fixed-frequency current mode controllers. It shares functional similarities with the UC3842A but offers improved frequency stability. The family includes variants like UC3843B for different voltage thresholds, providing flexibility for various power conversion architectures within the same ecosystem.