The UC1846-SP control devices provide all of the necessary features to implement fixed frequency, current mode control schemes while maintaining a minimum external parts count. The superior performance of this technique can be measured in improved line regulation, enhanced load response characteristics, and a simpler, easier-to-design control loop. Topological advantages include inherent pulse-by-pulse current limiting capability, automatic symmetry correction for push-pull converters, and the ability to parallel power modules while maintaining equal current sharing.
Protection circuitry includes built-in UVLO and programmable current limit in addition to soft-start capability. A shutdown function is also available which can initiate either a complete shutdown with automatic restart or latch the supply off.
Other features include fully latched operation, double-pulse suppression, deadline adjust capability, a ±1% trimmed bandgap reference, and low outputs in the OFF state.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Radiation & reliability report | UC1846-SP Neutron Displacement Damage (NDD) Characterization Report | 29 Oct 2021 | |
| * | Radiation & reliability report | UC1846-SP Neutron Displacement Damage (NDD) Characterization | 26 Jun 2017 | |
| * | Data sheet | UC1846-SP Class-V, Radiation Hardened PWM Controller datasheet (Rev. D) | PDF | HTML | 14 Dec 2016 |
| * | Radiation & reliability report | UC1846-SP Radiation Test Report | 08 May 2015 |
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