(China (Mainland))
Product Summary
The as2208ad is a simplified pulse width modulation controller, offering similar functionality as that of the AS3842. Based on the AS2214, the as2208ad provides the additional features of low startup current and overvoltage latching, making it a good solution for adapter applications.
Parametrics
as2208ad absolute maximum ratings: (1)Supply Voltage (Low Impedance Source)VCC: 20 V; (2)Reference Current IREF: 200 mA; (3)Output Current IOUT: 1 A; (4)Output Voltage VOUT: 20 V; (5)Continuous Power Dissipation at 25° C PD: 500 mW; (6)Junction Temperature TJ: 150 °C; (7)Storage Temperature Range TSTG: –65 to 150 °C; (8)Lead Temperature, Soldering 10 Seconds TL: 300 °C.
Features
as2208ad features: (1)Low Startup Current; (2)Single-start or auto-restart modes; (3)Oscillator trimmed for precision duty cycle clamp; (4)Standard temperature range extended to 105°C; (5)Remote on / off control; (6)Self limiting supply Voltage; (7)Standard current mode control.
Diagrams
