TPS54312-Q1

The TPS54312-Q1 low input voltage high output current synchronous buck PWM converter integrates all required active components. The TPS54310-EP device is available in a thermally enhanced 20-pin TSSOP (PWP) PowerPAD package, which eliminates bulky heatsinks.

Features of the TPS54312-Q1 are:(1)qualification pedigree;(2)60-m MOSFET switches for high efficiency at 3-A continuous output source or sink current;(3)0.9-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V fixed output voltage devices with 1% initial accuracy;(4)internally compensated for low parts count;(5) fast transient response;(6)wide PWM frequency: fixed 350 kHz, 550 kHz, or adjustable 280 kHz to 700 kHz;(7)load protected by peak current limit and thermal shutdown;(8)integrated solution reduces board area and total cost.

The absolute maximum ratings of the TPS54312-Q1 can be summarized as:(1):the symbol is VI,the parameter is input voltage range,the rating is -0.3 to 7,the unit is V;(2):the symbol is VI,the parameter is input voltage range,the rating is -0.3 to 6,the unit is V;(3):the symbol is VI,the parameter is input voltage range,the rating is -0.3 to 4,the unit is V;(4):the symbol is VI,the parameter is input voltage range,the rating is -0.3 to 17,the unit is V;(5):the symbol is VO,the parameter is output voltage range,the rating is -0.3 to 7,the unit is V;(6):the symbol is VO,the parameter is output voltage range,the rating is -0.6 to 10,the unit is V;(7):the symbol is IO,the parameter is source current,the rating is internally limited;(8):the symbol is IO,the parameter is source current,the rating is 6,the unit is V;(9):the parameter is sink current,the rating is 6,the unit is A;(10):the parameter is sink current,the rating is 6,the unit is mA;(11):the parameter is sink current,the rating is 10,the unit is mA;(12):the parameter is voltage differential,the rating is ±0.3,the unit is V;(13):the symbol is Tj,the operating virtual-junction temperature range,the rating is -55 to 150,the unit is ;(13):the symbol is Tstg,the parameter is storage temperature range,the rating is -65 to 150,the unit is ;(14):the symbol is TL,the parameter is lead temperature 1,6 mm (1/16 in) from case for 10 s,the rating is 300,the unit is .