AS998
Description
The AS998/AS998A is an IC intended for use as a PWM controller for switch mode power supplies. The device is particularly suited as a primary side controller for adapter, printer, peripheral, mobile chargers and desktop auxiliary power supplies. The AS998/AS998A is manufactured in BICMOS technology and exhibits very low start-up and operating power. This allows the device to be suitable in applications where stringent standby or Blue Angel criteria are required. Many of the external functions associated with PWM controllers have been integrated into the AS998/AS998A allowing the external ponent count to be significantly reduced. Features such as fixed internal oscillator, internal ramp pensation and current filters all reduce the external support ponents.
Features
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- Low start-up current 64 µA (Typ) Low running current 2 m A (Typ) Low power light load mode Low power standby when OV is activated Extended mercial operating temperature range: 0 to 105°C...
