The TPS51225 51225 1225 series (1225, 1225B, 1225C,51225B 51225C) is a family of dual synchronous buck controllers with built-in 5 V and 3.3 V LDOs, targeted for notebook and system power applications. They use adaptive on-time D-CAP™ control, require few external components, and come in a compact 20-pin QFN (3 × 3 mm) package.
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TPS51225 TPS51225B TPS51225C TPS 1225 1225B 1225B Series IC
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Description
Specification
- TPS51225 TPS 1225 51225 (base) uses auto-skip mode under light load.
- TPS51225B TPS 1225B 51225B uses OOA (Out-Of-Audio) light-load mode (to minimize audible noise) and does not have the 5 V LDO always enabled.
- TPS51225C TPS 1225C 51225C is distinguished by having the 5 V LDO always-on (regardless of enable logic), while still maintaining auto-skip mode under light load.
All variants share the same package (20-pin QFN, 3 × 3 mm) and operating temperature range –40 °C to +85
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