RT9568

The RT9568 is a DC to DC controller IC for step-down , step-up, inverting, and flyback converters. The device consists of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver, and high current output switch.

The features of RT9568 are: (1)pulse skipping modulation; (2)precision ±2% reference; (3)operation from 3.0V to 30V input; (4)internal switch peak current to 1.5A; (5)design flexibility; (6)output voltage adjustable; (7)current limiting adjustable; (8)frequency adjustable up to 200KHz.

The following is about the maximum ratings of RT9568: (1)power supply voltage, VCC: 30V; (2)feedback input voltage range: 0.3V to VCC; (3)switch collector voltage, VC: 30V; (4)switch emitter voltage, VE: 30V; (5)switch collector to emitter voltage, VCE: 30V; (6)driver collector voltage: 30V; (7)driver collector current: 100mA; (8)switch current: 1.5A; (9)operating junction temperature: +150 ; (10)storage temperature range: -60 to + 150 .