Renesas ISL6843IBZ DC DC Switching Controllers
IC REG CTRLR BOOST/FLYBACK 8SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ISL6843IBZ
Detailed Description
IC REG CTRLR BOOST/FLYBACK 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 8-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ISL6843IBZ Datasheet
Quick Jump:
Technical Specifications
Renesas ISL6843IBZ DC DC Switching Controllers technical specifications.
General
RoHS
Yes
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C (TA)
Supply Voltage
9V ~ 16V
Lifecycle Status
Active
Output Type
Transistor Driver
Switching Frequency
Up to 2MHz
Number of Outputs
1
Topology
Boost, Flyback
Alternate Parts Comparison (ISL6843IBZ vs ISL6520CBZ vs ISL6520CB vs ISL6520BCB-T)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 105°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 9V ~ 16V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Switching Frequency | Up to 2MHz | 300kHz | 300kHz | 300kHz |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Clock Sync | No | No | No | No |
| Control Features | Current Limit, Frequency Control | Phase Control | Phase Control | Enable, Phase Control |
| Duty Cycle Max | 96% | 100% | 100% | 100% |
| Function | Step-Up, Step-Up/Step-Down | Step-Down | Step-Down | Step-Down |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive, Isolation Capable | Positive | Positive | Positive |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
UC3843BD1R2GonsemiSimilaronsemi
Pin YesPkg YesElec Mixed
PWM Controller, DC/DC, Current Mode, SOIC-8, 52kHz, 30V
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