USRB04 switch equivalent, high precision precision low power switch.
including cycle-by-cycle current limiting, output short circuit protection, FB pin open loop protection, on-chip Over Temperature Protection (OTP), VDD Over Voltage Prote.
* 40kHz (typical) maximum switching frequency * Frequency shuffling for EMI improvement * Power on soft-start * Built-in.
USRB04 is a high performance, high precision and low cost PWM Power switch for non-isolated buck and buck-boost application. It combines a dedicated current mode PWM controller with a high voltage power Bipolar in SOP8 package. Its built-in error amp.
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