ISL8843MBZ

$1.30

Description：1A, 2000KHZ PDSO8
Series：-
Mfr：Intersil
Package：Bulk

SKU:facf7f6ee508 Category: DC DC Switching Controllers Brand: Intersil

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Product introduction

ISL8843MBZ is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Intersil. Its product description is 1A, 2000KHZ PDSO8. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for ISL8843MBZ

Description：1A, 2000KHZ PDSO8
Series：-
Mfr：Intersil
Package：Bulk
Output Type：Transistor Driver
Function：Step-Up, Step-Up/Step-Down
Output Configuration：Positive, Isolation Capable
Topology：-
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：9V ~ 30V
Frequency - Switching：Up to 2MHz
Duty Cycle (Max)：95%
Synchronous Rectifier：No
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Frequency Control
Operating Temperature：-55°C ~ 125°C
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 ISL8843MBZ

ISL8843MBZ

DC DC Switching Controllers Overview

The ISL8843MBZ is a single-ended current-mode PWM controller designed for DC-DC power conversion applications. It operates within an input voltage range of 9V to 30V and supports switching frequencies up to 2MHz. The device features transistor driver output type and includes protection mechanisms such as current limiting and frequency control. It is housed in an 8-SOIC surface-mount package with a thermal operating junction temperature range of -55°C to 125°C.

DC DC Switching Controllers Feature Summary

Industry standard drop-in replacement for legacy 28C43 and 18C43 PWM controllers
Supports boost and flyback topologies with positive, isolation-capable outputs
Integrated current limiting and frequency control functions

DC DC Switching Controllers Applications

Boost converter designs
Flyback converter implementations
Step-up/step-down power supply circuits

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized Renesas or Intersil distributors. Confirm lot traceability and RoHS compliance status prior to acquisition. Check for obsolescence notices or product change notifications affecting packaging or specifications. Ensure storage conditions meet manufacturer guidelines to prevent moisture sensitivity issues.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring high-frequency operation up to 2MHz. Suitable for designs needing direct replacement of older 28C43 or 18C43 units. Consider the 8-SOIC package constraints for PCB layout. Verify input voltage requirements fall within the 9V to 30V operational window.

DC DC Switching Controllers Part Context

Part of the ISL8843 family from Intersil, now under Renesas Electronics. Designed as a modern alternative to legacy PWM controllers while maintaining pin compatibility. Targets general-purpose power conversion needs in industrial and consumer electronics.