Texas Instruments UCC2891 manual References

www.ti.com

References

Table 2. List of Materials (continued)

REF	QT	DESCRIPTION	MFR	PART NUMBER
	Y
R1	1	Resistor, chip, 8.45 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-8451-F
R2	1	Resistor, chip, 57.6 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-5762-F
R3	1	Resistor, chip, 76.8 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-7682-F
R4, R10, R15, R16,	7	Resistor, chip, 2.21 Ω, 1/10 W, 1%, 805	Vishay	CRCW0805-2R21-F
R20, R23, R24
R5	1	Resistor, chip, 158 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-1583-F
R6	1	Resistor, chip, 1.82 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-1821-F
R7, R8, R12	3	Resistor, chip, 1 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-1001-F
R9	1	Resistor, chip, 11.8 Ω, 1/10 W, 1%, 805	Vishay	CRCW0805-11R8-F
R11	1	Resistor, chip, 26.7 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-2672-F
R13	1	Resistor, chip, 2 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-2001-F
R14	1	Resistor, chip, 10 Ω, 1/10 W, 1%, 805	Vishay	CRCW0805-10R0-F
R17, R18	2	Resistor, chip, 499 Ω, 1/10 W, 1%, 805	Vishay	CRCW0805-4990-F
R19	1	Resistor, chip, 665 Ω, 1/10 W, 1%, 805	Vishay	CRCW0805-6650-F
R21, R22	2	Resistor, chip, 10 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-1002-F
R25	1	Resistor, chip, 51.1 Ω, 1/10 W, 1%, 805	Vishay	CRCW0805-51R1-F
R26	1	Resistor, chip, 28.7 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-2872-F
R27	1	Resistor, chip, 12.1 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-1212-F
R28	1	Resistor, chip, 4.99 kΩ, 1/10 W, 1%, 805	Vishay	CRCW0805-4991-F
T1	1	Transformer, current sense, 10-A, 1:100, SMD	Pulse	P8208
T2	1	Transformer, high-frequency planar, planar	Pulse	PA0810
U1	1	IC, current mode active clamp PWM controller,	TI	UCC2891D
		SO-16
U2	1	IC, phototransistor, CTR 100%-300%, SOP-4	Vishay	SFH690BT

10References

1.UCC2891 Current Mode Active Clamp PWM Controller, Datasheet, (SLUS542)

2.Designing for High Efficiency with the UCC2891 Active Clamp PWM Controller, by Steve Mappus, Application Note (SLUA299)

18 Using the UCC2891 Active Clamp Current Mode PWM Controller SLUU178A –November 2003 –Revised December 2006

Submit Documentation Feedback