The MIC24052 is a synchronous DC/DC buck regulator designed for high efficiency and adaptability in various applications. It operates within an input voltage range of 4.5V to 19V and can deliver an output current of up to 6A. The output voltage is adjustable from 0.8V to 5.5V with a feedback accuracy of ±1%. The device features Microchip's HyperLight Load® architecture, which maintains efficiency even at light loads, achieving up to 80% efficiency at 10mA and up to 95% under heavier loads. This regulator operates at a constant switching frequency of 600kHz and is stable with any capacitor type, accommodating a wide range of equivalent series resistance (ESR). It includes several protection features such as undervoltage lockout, thermal shutdown, and short-circuit protection with a "hiccup mode." The MIC24052 also supports safe startup into a pre-biased load and has a power good (PG) output for sequencing applications. It is packaged in a compact 28-pin QFN format, suitable for space-constrained designs.
The MIC24052 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive on-time control architecture. The MIC24052 operates over a supply range of 4.5V to 19V. It has an internal linear regulator which provides a regulated 5V to power the internal control circuitry. The MIC24052 operates at a constant 600kHz switching frequency in continuous-conductio
HyperLight Load® architecture provides the same high-efficiency and ultra-fast transient response as the Hyper Speed Control™ architecture under medium to heavy loads, but also maintains high efficiency under light load conditions by transitioning to variable-frequency, discontinuous-mode operation.
The MIC24052 offers a full suite of protection features to ensure protection of the IC during fault conditions. These include under voltage lockout to ensure proper operation under power-sag conditions, thermal shutdown, internal soft-start to reduce the inrush current, foldback current limit and "hiccup mode" short-circuit protection. The MIC24052 includes a power good (PG) output to allow simple sequencing.
Also see the 6A Hyper Speed Control™ part, MIC24051.
Additional Features
| Microchip Technology, Inc. | |
|---|---|
| Product Category | IC Voltage Regulators |
| Product Number | MIC24052 |
| Product Name | 19V Buck Regulator |
| Package Type | Other; ['VQFN'] |
