UCC3830PWM-4

The UCC3830PWM-4 is a fully integrated single chip solution ideal for powering high performance microprocessors. The feature of UCC3830PWM-4 are as follows: (1)5-Bit digital-to-analog converter(DAC); (2)supports 4-Bit and 5-Bit; (3)microprocessor VID codes; (4)combined DAC/voltage monitor and PWM functions; (5)1% DAC/Reference; (6)current sharing; (7)100kHz, 200kHz, 400kHz oscillator frequency options; (8)foldback current limiting; (9)overvoltage and undervoltage fault windows; (10)undervoltage lockout; (11)4W totem pole output; (12)chip disable function.
 
The absolute maximum ratings of the UCC3830PWM-4 are: (1)input supply voltage VIN: 15V; (2)D0, D1, D2, D3, D4, VSENSE, VFB, IS+, IS, CAM Inputs maximum forced voltage: 0.3V to 5.3V; (3)PWRGOOD output maximum voltage: 5.5V; (4)COMMAND ouput maximum current: internally limited; (5)reference output current: internally limited; (6)storage temperature: 65°C to +150°C; (7)junction temperature: 55°C to +150°C; (8)lead temperature (Soldering, 10 sec.): +300°C.

The following is about the electrical characteristics of UCC3830PWM-4: (1)VIN UVLO Turn-on Threshold: 10.5V typical and 10.8 V max; (2)VIN UVLO Turn-off Threshold: 9.5V min and 10 V max; (3)UVLO Threshold Hysteresis: 200 mV min, 500 mV typical and 700 mV max; (4)IIN: 7.5mA typical and 13.5mA max at D0 through D4 = Open; (5)COMMAND Voltage Accuracy: -1% min and 1% max at 10.8V < VIN < 13.2V, IVREF = 0mA, 0°C < TA < 70°C; (6)D0-D4 Voltage High: 4V min, 5V typical and 5.2V max at  DX Pin Floating; (7)D0-D4 Input Bias Current: -100A min, -70A typical and -20A max at DX Pin Tied to GND; (8)Trip Point: 10% min, 17.5% typical and 25% max at % Over COMMAND Voltage, D0 = D1 = D2 = D4= Open, D3 = GND; (9)Hysteresis: 30 mV max; (10)VSENSE Input Bias Current: -0.5A min, -0.1A typical and 0.5A max at OV, OVP, UV Combined.