Datasheet

Bill of Materials www.ti.com
4 Bill of Materials
Table 1. Bill of Materials
Item Description Mfg., Part Number Package Value
U1 Sync Switching Texas Instruments, LM34927 LLP-8 100V, 0.6A
Regulator
T1 Coupled Inductor, Coilcraft, LPD5030V-333ME 5mm x 5mm 33uH, 0.47A
1500 VDC
Alternate Part Wurth, 750312750 8.26mm x 22uH, 0.76A
6.60mm
D1 Schottky Diode Diodes Inc., DFLS1100-7 Pwr–DI123 100V, 1A
D2 Schottky Diode Diodes Inc., SDM10U45-7 SOD–523 40V, 100mA
C1 Ceramic Capacitor TDK, C3225X7R2A225K 1210 2.2uF, 100V, X7R
C2 Ceramic Capacitor TDK, C1608X7R1C103K 0603 0.01uF, 16V, X7R
C3, C4 Ceramic Capacitor TDK, C2012X7R1E105K 0805 1uF, 25V, X7R
C5 Ceramic Capacitor Murata, GRM21BR72A474KA73L 0805 0.47uF, 100V,
X7R
C6 Ceramic Capacitor TDK, C1608X7R1C105K 0603 1uF, 16V, X7R
C7 Ceramic Capacitor Murata, GRM188R72A332KA01D 0603 3300pF, 100V, +/-
5%
C8 Ceramic Capacitor AVX, 0603YC104KAT2A 0603 0.1uF, 16V, X7R
C9 Ceramic Capacitor Johanson, 202R29W222KV4E 1808 2200pF, 2000V,
X7R
R1 Resistor Vishay/Dale, CRCW0805127KFKEA 0805 127k ohm, 1%
R2 Resistor Vishay/Dale, CRCW08058K25FKEA 0805 8.25k ohm, 1%
R3 Resistor Vishay/Dale, CRCW0805130KFKEA 0805 130k ohm, 1%
R4 Resistor Panasonic, ERJ-3EKF7321V 0603 7.32k ohm, 1%
R5 Resistor Panasonic, ERJ-3EKF1001V 0603 1.0k ohm, 1%
R6 Resistor Yageo, RC0603JR-070RL 0603 0 ohm
R7, R9 Resistor Yageo, RC0603JR-070RL 0603 0 ohm
R8 Resistor Panasonic, ERJ-3EKF4642V 0603 46.4k ohm, 1%
R10 Resistor Panasonic, ERJ-6GEYJ202V 0805 2k ohm, 5%
4
AN-2202 LM34927 Integrated Secondary Side Bias Regulator for Isolated SNVA633A–March 2012–Revised April 2013
DC-DC Converters
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