10 references – Texas Instruments UCC2891 User Manual
Page 18
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10
References
References
Table 2. List of Materials (continued)
QT
REF
DESCRIPTION
MFR
PART NUMBER
Y
R1
1
Resistor, chip, 8.45 k
Ω
, 1/10 W, 1%, 805
Vishay
CRCW0805-8451-F
R2
1
Resistor, chip, 57.6 k
Ω
, 1/10 W, 1%, 805
Vishay
CRCW0805-5762-F
R3
1
Resistor, chip, 76.8 k
Ω
, 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 k
Ω
, 1/10 W, 1%, 805
Vishay
CRCW0805-1583-F
R6
1
Resistor, chip, 1.82 k
Ω
, 1/10 W, 1%, 805
Vishay
CRCW0805-1821-F
R7, R8, R12
3
Resistor, chip, 1 k
Ω
, 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 k
Ω
, 1/10 W, 1%, 805
Vishay
CRCW0805-2672-F
R13
1
Resistor, chip, 2 k
Ω
, 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 k
Ω
, 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 k
Ω
, 1/10 W, 1%, 805
Vishay
CRCW0805-2872-F
R27
1
Resistor, chip, 12.1 k
Ω
, 1/10 W, 1%, 805
Vishay
CRCW0805-1212-F
R28
1
Resistor, chip, 4.99 k
Ω
, 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
IC, current mode active clamp PWM controller,
U1
1
TI
UCC2891D
SO-16
U2
1
IC, phototransistor, CTR 100%-300%, SOP-4
Vishay
SFH690BT
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