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List of Materials

9 List of Materials

The following table lists the UCC2891EVM-520 components corresponding to the schematic shown in

Figure 1.

Table 2. List of Materials

(1)(2)(3)(4)

COUNT REF DES DESCRIPTION PART NUMBER MFR

C1, C2, GRM43ER72A225MA0

3 Capacitor, ceramic, 2.2 µF, 100 V, X7R, 20%, 2.2uF, 1812 MURATA

C4 1L

2 C10, C12 Capacitor, ceramic, 16 V, X5R, 20%, 10 µF, 1206 C3216X5R1C106K TDK

1 C11 Capacitor, ceramic, vv V, [temp], [tol], open, 1210 Std Vishay

1 C13 Capacitor, ceramic, 50 V, X7R, 10%, 2.2 µF, 0805 C2012Y5V1H225Z TDK

1 C14 Capacitor, ceramic, 50 V, X7R, 20%, 1000 pF, 0805 C0805C102K5RACTU Kemet

1 C15 Capacitor, ceramic, 50 V, X7R, 10%, 82 nF, 0805 08055C823KAT2A AVX

1 C16 Capacitor, ceramic, 50 V, X7R, 10%, 270 pF, 0805 08055C271KAT2A AVX

3 C18, C26, GCM21BR7YA105KA5

Capacitor, ceramic, 25 V, X7R, 10%, 1.0 µF, 0805 MURATA

C27 5L

2 C19, C20 Capacitor, POSCAP, 9.0 mΩ, 6.3 V, 20%, 330 µF, 7343 (D) 6TPF330M9L Sanyo

1 C22 Capacitor, ceramic, 50 V, X7R, 10%, open, 0805 std std

1 C23 Capacitor, ceramic, 16 V, X7R, 10%, 1.5 µF, 0805 C0805C155K4RACTU Kemet

1 C25 Capacitor, ceramic, 50 V, X7R, 10%, 5.6 nF, 0805 08055C562KAT2A AVX

2 C3, C17 Capacitor, ceramic, 50 V, X7R, 20%, 0.1 µF, 0805 C0805C104K5RACTU Kemet

2 C5, C21 Capacitor, ceramic, 50 V, NPO, 10%, 100 pF, 0805 501R15N101KV4T Johnson dialetric

GRM21BR71H474KA8

1 C6 Capacitor, ceramic, 50 V, X7R, 20%, 0.47 µF, 0805 MURATA

1 C7 Capacitor, ceramic, 50 V, X7R, 20%, 0.22 µF, 0805 UMK212B7224KG-T Taiyo Yuden

1 C8 Capacitor, ceramic, 50 V, X7R, 20%, 10 nF, 0805 C0805C103K5RACTU Kemet

1 C9 Capacitor, ceramic, 250 V, X7R, 10%, 22 nF, 1206 CC1206KRX7R9BB223 Yageo

D1, D2,

4 Diode, Schottky, 200 mA, 30 V, SOT23 BAT54 Fairchild

D3, D11

1 D10 Diode, Zener, 13 V,150 mW, 13 V, SOT23 BZX84C13-7-F Diodes

1 D4 Diode, Dual Schottky, 200 mA, 30 V, SOT23 BAT54C Fairchild

1 D5 Diode, Dual series Schottky, 70 V, SOT23 BAS70-04LT1 On Semi

1 D6 Diode, Zener, 5.1 V, 350 mW, 5.1 V, SOT23 BZX84C5V1-7-F Fairchild

2 D7, D8 Diode, switching, 200 mA, 85 V, 350 mW, SOT23 BAS16 Fairchild

1 D9 Adjustable precision shunt regulator, 0.5%, SOT23 TLV431BQDBZT TI

1 J1 Terminal block, 2 pin, 15 A, 5.1 mm, V

, 0.40 x 0.35 ED500/2DS OST

J2, J3, J4, 131-4353-00

5 Adaptor, 3.5-mm probe clip, 3.5 mm Tektronix

J5, J13 or 131-5031-00

J6, J7, J9, 3103-1-00-15-00-00-08-

5 Printed circuit pin, 0.043 hole, 0.3 length, test pin, 0.043 Mill-Max

J10, J12 0

1 J8 Terminal block, 4 pin, 15 A, 5.1 mm, V

, 0.80 x 0.35 ED500/4DS OST

(1)

These assemblies are ESD sensitive, ESD precautions shall be observed.

(2)

These assemblies must be clean and free from flux and all contaminants. Use of no clean flux is not acceptable.

(3)

These assemblies must comply with workmanship standards IPC-A-610 Class 2.

(4)

Ref designators marked with an asterisk ('**') cannot be substituted. All other components can be substituted with equivalent MFG's

components.

SLUU407A–June 2010–Revised May 2013 48-V to 3.3-V Forward Converter With Active-Clamp Reset Using the

UCC2891 Active-Clamp Current-Mode PWM Controller

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