SY20652QNC - High Efficiency, Built-in Inductor, 2MHz, 2A, 23V Input Sync Buck


·         low RDS(ON) for internal switches (top/bottom): 105mΩ/50mΩ

·         4.5-23V input voltage range

·         2A output current capability

·         2MHz switching frequency

·         Instant PWM architecture to achieve fast transient responses.

·         Cycle-by-cycle peak current limitation

·         Adjustable soft-start time

·         Hic-cup mode output short circuit protection

·         ±1.5% 0.6V reference

·         Power good indicator

·         QFN3×3-10 package

Typical Application


The SY20652 is a high efficiency 2MHz synchronous step-down DC/DC converter capable of delivering 2A current, which integrates an inductor into a compact 3×3×2mm QFN package. The SY20652 operates over a wide input voltage range from 4.5V to 23V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.

SY20652 features adjustable soft-start time, enable control and power good indicator for system sequence control. The device also provides cycle-by-cycle current limit, short circuit protection and thermal shutdown protection for reliable operation.


·       Set Top Box

·       Portable TV

·       Access Point Router

·       DSL Modem

·       LCD TV

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