Instruction Manual

Bill of Materials
1-4
1.4 Bill of Materials
Table 1–2.Bill of Materials Required for the UCC2977 (SLUP178)
Count Ref Des Description Size MFR Part Number
1 C1 Capacitor, ceramic, 2200 pF, 50 V,
X7R, 20%
603 Murata GRM188R71H222KA01
1 C2 Capacitor, ceramic, 220 pF, 50 V,
X7R, 20%
603 Murata GRM188R7H221KD01
2 C3, C7 Capacitor, ceramic, 0.1 µF, 25 V,
X7R, 20%
805 Murata GRM21BR71E104KA01
1 C4 Capacitor, ceramic, 0.022 µF,
25 V, X7R, 20%
603 Murata GRM188R71E223KA01
2 C5, C6 Capacitor, ceramic, 4.7 µF, 10 V,
X5R, 20%
1206 Murata GRM31CR61A475KA01
2 D1, D2 Diode, switching, 1.0 mA, 75 V SOD123 Motorola MMSD914T1
1 D3 Diode, dual ultra fast, series,
200 mA, 70 V
SOT23 Fairchild BAV99
1 JP1 Header, 3 pin, 100 mil spacing,
(36-pin strip)
0.100 × 3I Sullins PTC36SAAN
2 L1, L2 Inductor, SMT, 22 µH, 1.2 A,
128 mΩ
6.7 × 6.7 × 3 mm Sumida CDRH6D28-220NC
(or Toko inductor, 22 µH, 115 mΩ 7.6 × 7.6 × 5.1 mm Toko 646CY-220M
1 Q1 Transistor, NPN, high perfor-
mance, 500 mA
SOT23 ZeTek FMMT491A
1 Q2 XSTR, MOSFET, N-channel,
30 V, 4.6 A, Rds 35 mΩ
TSSOP8 IR IRF7752
1 R1 Resistor, chip, 22 kΩ, 1/16 W, 1% 603 Std Std
1 R10 Resistor, chip, 50 kΩ, 1/16 W, 1% 603 Std Std
2 R12, R13 Resistor, chip, 10 Ω, 1/16 W, 1% 603 Std Std
1 R15 Resistor, chip, 909 Ω, 1/16 W, 1% 603 Std Std
1 R2 Resistor, chip, 150 kΩ, 1/16 W, 1% 603 Std Std
1 R3 Resistor, chip, 182 kΩ, 1/16 W, 1% 603 Std Std
1 R4 Resistor, chip, 8.2 kΩ, 1/16 W, 1% 603 Std Std
2 R5, R6 Resistor, chip, 2.0 kΩ, 1/16 W, 1% 603 Std Std
8 R7, R8. R9.
R11, R14,
R16, R17,
R18
Resistor, chip, 1.0 MΩ, 1/10 W,
1%
805 Std Std
1 T1 Transformer, custom,
Piezoelectric, SMT
0.760 × 0.244 Panasonic EFTU11R8MX50
2 TP1, GND Test point, black, 1 mm 0.038 Farnell 240-333
9 TP2–TP5,
VIN, BD, AD,
LAMP_HV,
LAMP_LV
Test point, red, 1 mm 0.038 Farnell 240-345
1 U1 IC, CCFL push-pull driver TSSOP-08 TI UCC2977PW
1 — PCB, 3.55I × 0.905I × 0.62I Any SLUP178