Product Summary

The UCC2818DTRG4 is a BiCMOS power factor preregulator. It provides all the functions necessary for active power factor corrected preregulators.The UCC2818DTRG4 offers new features such as lower start-up current, lower power dissipation, over-voltage protection, a shunt UVLO detect circuitrym a leading-edge modulation technique to reduce ripple current in the bulk capacitor and an improved, low offset current amplifier to reduce distortion at light load conditions.

Parametrics

UCC2818DTRG4 absolute maximum ratings: (1)supply voltage:18V; (2)gate drive current, continuous:0.2A; (3)gate drive current,50% duty cycle:1A; (4)input voltage, CAI, MOUT:8V; (5)input voltage, PKLMT:5V; (6)input voltage, VSENSE, OVP/EN:10V; (7)input current:10mA; (8)maximum negative voltage:-0.5V; (9)power dissipation:1W

Features

UCC2818DTRG4 features: (1)controls boost preregulator to near-unity power factor; (2)limits line distortion; (3)world wide line operation; (4)over-voltage protection; (5)accurate power limiting; (6)average current mode control; (7)improved noise immunity; (8)improved feed-forward line regulation; (9)leading edge modulation; (10)150uA typical start-up current; (11)low power BICMOS operation; (12)12V to 17V operation.
UCC2818DTRG4 absolute maximum ratings: (1)supply voltage:18V; (2)gate drive current, continuous:0.2A; (3)gate drive current,50% duty cycle:1A; (4)input voltage, CAI, MOUT:8V; (5)input voltage, PKLMT:5V; (6)input voltage, VSENSE, OVP/EN:10V; (7)input current:10mA; (8)maximum negative voltage:-0.5V; (9)power dissipation:1W.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
UCC2818DTRG4
UCC2818DTRG4
Texas Instruments
Power Factor Correction ICs BiCMOS Power Factor Preregulator
Data Sheet
0-1850: $1.01
1850-2000: $0.98
2000-2500: $0.98
2500-5000: $0.93
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
UCC2305
UCC2305
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Data Sheet
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725-1000: $5.38