Datasheet

Bill of Materials (BOM)

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Table 1. Isolated Two-Switch Forward DC-DC Regulator (Factory Default) (continued)

Item Part Number Description Value

D5 CMSH2-40 DIODE, SCHOTTKY, SMB, CENTRAL 40V, 2A

L1 LPS4012-185MLB INDUCTOR, COILCRAFT 1.8 µH,

L2 SRU1048-100Y INDUCTOR, BOURNS 10 µH, 3.7A

R1 CRCW120610R0J RESISTOR, 1206 10 Ω

R2 CRCW06032002F RESISTOR, 0603 20k

R3 CRCW120610R0J RESISTOR, 1206 10 Ω

R4 CRCW08052432F RESISTOR, 0805 24.3k

R5 CRCW08058061F RESISTOR, 0805 8.06K

R6 NU DO NOT INSTALL

R7 NU DO NOT INSTALL

R8 CRCW08055900F RESISTOR, 0805 590 Ω

R9 CRCW08052743F RESISTOR, 0805 274k

R10 CRCW06031002F RESISTOR, 0603 10k

T1-A CA2983-CL FORWARD TRANSFORMER, COILCRAFT OPTION 1

T1-B PA2194NL FORWARD TRANSFORMER, PULSE OPTION 2

U1 LM5015 2-SW FWD REG, TSSOP-14EP, Texas Instruments

U2 PS2811-1-M OPTO-COUPLER, NEC

U3 LMV431 REFERENCE, SOT23-3, Texas Instruments

Table 2. Bill of Materials (BOM) Changes to Configure the Evaluation Board as an Isolated Two-Switch

Flyback DC-DC Regulator With 5V 2.5A Output

Item Part Number Description Value

D4 CMDH3-40L DIODE, SCHOTTKY, SMC, CENTRAL 40V, 3A

D5 NU DO NOT INSTALL

L1 CRCW120624R9J RESISTOR, 1206 24.9 Ω

L2 SHORT AWG 24 BUS WIRE 0 Ω

T1-A GA3372-AL FLBACK TRANSFORMER, COILCRAFT OPTION 1

T1-B PA2367NL FLYBACK TRANSFORMER, PULSE OPTION 2

AN-1724 LM5015 Isolated Two-Switch DC-DC Regulator Evaluation Board SNVA291A–October 2007–Revised April 2013

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