- Texas Instraments 48-V to 3.3-V Forward Converter with Active Clamp Reset Model SLUU178A User's Guide

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9 List of Materials

List of Materials

The following table lists the UCC2891EVM components corresponding to the schematic shown in

Figure 1 .

Table 2. List of Materials

REF DESCRIPTION MFR PART NUMBER

C1, C2, C4 3 Capacitor, ceramic, 2.2 µ F, 100 V, X7R, 20%, 1812 TDK C4532X7R2A225M

C3, C14, C17 3 Capacitor, ceramic, 0.1 µ F, 50 V, X7R, 20%, 805 Vishay VJ0805Y104MXAA

C5 1 Capacitor, ceramic, 100 pF, 50 V, NPO, 10%, 805 Vishay VJ0805A101KXAA

C6, C7 2 Capacitor, ceramic, 0.22 µ F, 50 V, X7R, 20%, 805 TDK C2012X7R1H224M

C8 1 Capacitor, ceramic, 10 nF, 50 V, X7R, 20%, 805 Vishay VJ0805Y103MXAA

C9 1 Capacitor, ceramic, 33 nF, 250 V, X7R, 10%, 1206 MuRata GRM31CR72E333KW03L

C10, C11 2 Capacitor, tantalum chip, 47 µ F, 16 V, C Vishay 595D476X9016C2T

C12, C18 2 Capacitor, ceramic, 10 µ F, 16 V, X5R, 20%, 1206 TDK C3216X5R1C106M

C13 1 Capacitor, ceramic, 1.5 µ F, 10 V, X5R, 20%, 805 TDK C2012X5R1A155M

C15 1 Capacitor, ceramic, 82 nF, 50 V, X7R, 10%, 805 Vishay VJ0805Y823KXAA

C16 1 Capacitor, ceramic, 220 pF, 50 V, NPO, 10%, 805 Vishay VJ0805A221KXAA

C19, C20 2 Capacitor, POSCAP, 330 µ F, 6.3 V, 20%, 7343 (D) Sanyo 6TPD330M

D1, D2, D3, D4, D5 5 Diode, schottky, 200 mA, 30 V, SOT23 Vishay BAT54

D8 1 Diode, switching, 200 mA, 200 V, SOT23 Philips/NXP BAS21

D6 1 Diode, zener, 5.1 V, 350 mW, SOT23 Vishay BZX84C5V1

D7 1 Adjustable precision shunt regulator, 0.5%, SOT23 TI TLV431BCDBZ

J1 1 Terminal block, 2 pin, 15 A, 5.1 mm, 0.40 × 0.35 OST ED500/2DS

J2, J3, J4, J5 4 Adaptor, 3.5 mm probe clip (or 131-5031-00), 3.5 mm Tektronix 131 4244 00

J6, J7, J9, J10 4 Printed circuit pin, 0.043 hole, 0.3 length, 0.043 Mill Max 3103-1-00-15-00-00-0X-0

J8 1 Terminal block, 4 pin, 15 A, 5.1mm, 0.80 × 0.35 OST ED500/4DS

L1 1 Inductor, 2 µ H, 1 pri, 1 sec, 0.920 × 0.780 Pulse PA0373

Q1 1 MOSFET, P-channel, 150 V, 2.2 A, 240 m Ω , SO-8 IR IRF6216

MOSFET, N-channel, 150 V, 6.7 A, 50 m Ω ,

Q2 1 Vishay Si7846DP

PowerPak SO-8

Q3, Q4, Q5, Q7, Q8 5 MOSFET, N-channel, 30 V, 55 A, 2.5 m Ω , LFPAK Renesas HAT2165H

Q6 1 Bipolar, NPN, 40 V, 600 mA, 225 mW, SOT23 Vishay MMBT2222A

SLUU178A – November 2003 – Revised December 2006 Using the UCC2891 Active Clamp Current Mode PWM Controller 17

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