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List of Materials

Table 3. UCC28250EVM-564 List of Materials (continued)

QTY REF DES DESCRIPTION PART NUMBER MFR

1 R15 Resistor, chip, 1/16 W, ± 5%, 0 Ω, 603 Std Std

1 R16 Resistor, chip, 1/16 W, ± 1%, 75.0 kΩ, 603 Std Std

2 R17, R19 Resistor, chip, 1/16 W, ± 1%, 402 Ω, 603 Std Std

1 R18 Resistor, chip, 1/16 W, ± 1%, 4.64 kΩ, 603 Std Std

R2, R13,

3 Resistor, chip, 1/16 W, ± 1%, 5.11 kΩ, 603 Std Std

R23

1 R20 Resistor, chip, 1/16 W, ± 1%, 6.81 kΩ, 603 Std Std

1 R21 Resistor, chip, 1/16 W, ± 1%, 681 Ω, 603 Std Std

1 R22 Resistor, chip, 1/16 W, ± 1%, 1.50 kΩ, 603 Std Std

2 R24, R37 Resistor, metal film, 1/4 W, ± 1%, 17.8 Ω, 1206 Std Std

1 R25 Resistor, metal film, 1/4 W, ± 1%, 36.5 Ω, 1206 Std Std

1 R26 Resistor, metal film, 1/4 W, ± 1%, 60.4 kΩ, 1206 Std Std

1 R28 Resistor, chip, 1/16 W, ± 1%, 20.0 kΩ, 603 Std Std

2 R3, R6 Resistor, chip, 1/16 W, ± 1%, 23.2 kΩ, 603 Std Std

1 R31 Resistor, metal film, 1/4 W, ± 1%, 90.9 Ω, 1206 Std Std

2 R32, R33 Resistor, metal film, 1/4 W, ± 1%, 20 Ω, 1206 Std Std

1 R34 Resistor, chip, 1/16 W, ± 1%, 47.5 kΩ, 603 Std Std

2 R35, R36 Resistor, chip, 1/16 W, ± 1%, 1 Ω, 603 Std Std

2 R5, R27 Resistor, chip, 1/16 W, ± 1%, 200 Ω, 603 Std Std

1 R7 Resistor, chip, 1/16 W, ± 1%, 49.9 Ω, 603 Std Std

1 R8 Resistor, chip, 1/16 W, ± 1%, 51.1 kΩ, 603 Std Std

2 R9, R11 Resistor, chip, 1/16 W, ± 1%, 49.9 kΩ, 603 Std Std

1 S1 Switch, Actuator SPDT, 0.500 inch x 0.260 inch 1101M2S3CQE2 C & K

Transformer, Half-Bridge ± 30%, 270 µH, 1.120 inch x

1 T1 AF5096 Vitec Electronics

1.273 inch

1 T2 Xfmr, Current Sense, 100:01:00, 0.315 inch x 0.320 inch CST2-100L Coilcraft

Transformer, 1 primary, 1 secondary, 785 µH, 0.460 x

1 T3 PA0185 Pulse

0.340 inch

TP1, TP2,

TP3, TP4,

3103-1-00-15-00-00-

9 TP5, TP7, Pin, Thru Hole, Tin Plate, for 0.062 PCB's, 0.039 inch Mill-Max

08-0

TP8, TP9,

TP10

1 TP11 Adaptor, 3.5-mm probe clip ( or 131-5031-00), 0.200 inch 131-4244-00 Tektronix

SN74LVC2GU04DBV

1 U1 DUAL INVERTER GATE, 32mA, 3.3V, SOT23-6 TI

120 V Boot, 2.5A Peak, High-Freq. High-Side Low-Side

1 U2 UCC27201DRM TI

Driver, QFN-8

Advanced PWM Controller with Pre-Bias Operation,

1 U3 UCC28250PW TI

TSSOP-20

Dual 4-A High Speed Low-Side Power MOSFET Drivers ,

1 U4 UCC37324DGN TI

MSOP-8

1 U5 Photocoupler, SOP-4 PS2701-1 NEC

SLUU441A– September 2010– Revised October 2011 Half-Bridge DC-to-DC Converter —With Secondary-Side Control

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