SNVA135B October   2005  – December 2021 LM2736

 

  1.   Trademarks
  2. 1Introduction
  3. 2Operating Conditions
  4. 3PCB Layout
  5. 4Additional Circuit Configuration Schematics
  6. 5Revision History

2 Operating Conditions

  • VIN = 5 V
  • VO = 1.5 V
  • IO = 750 mA
GUID-0A3BAD34-9BC9-42E5-80C3-A904E7936B9A-low.gif Figure 2-1 LM2736 Demo Board Schematic
GUID-9C7386B0-5F54-4C62-9567-B5F1564631FA-low.png Figure 2-2 Efficiency vs Load Current
Table 2-1 Bill of Materials (BOM) X-Version
Part ID Part Value Manufacturer Part Number Package Type
C1, Input Cap 4.7 µF, 10 V, X5R Murata GRM42-6X5R475K10 1206
C2, Output Cap 10 µF, 6.3 V, X5R Murata GRM42-6X5R106K6.3 1206
C3, Boost Cap 0.01 µF Vishay VJ1206Y103KXXA 1206
D2, Boost Diode 1 Vf at 50-mA Diode Diodes, Inc. 1N4148W SOD-123
R2 10 kΩ, 1% Vishay CRCW12061002F 1206
U1 750-mA Buck Regulator Texas Instruments LM2736 Thin SOT23-6
D1, Catch Diode 0.34-Vf Schottky, 1 A, 20 VR International Rectifier MBRA120 SMA
L1 4.7 µH, 1.6 A, 28 mΩ TDK SLF6028T-4R7M1R6 6028
R1 2 kΩ, 1% Vishay CRCW12062001F 1206
R3 0Ω Vishay CRCW12060000F 1206
R5 50 kΩ, 1% Vishay CRCW08055002F 0805
D3, C4, R4 Open
Table 2-2 Bill of Materials (BOM) Y-Version
Part ID Part Value Manufacturer Part Number Package Type
C1, Input Cap 10 µF, 10 V, X5R Murata GRM42-6X5R106K10 1206
C2, Output Cap 10 µF, 6.3 V, X5R Murata GRM42-6X5R106K6.3 1206
C3, Boost Cap 0.01 µF Vishay VJ1206Y103KXXA 1206
D2, Boost Diode 1 Vf at 50-mA Diode Diodes, Inc. 1N4148W SOD-123
R2 10 kΩ, 1% Vishay CRCW12061002F 1206
U1 750-mA Buck Regulator Texas Instruments LM2736 Thin SOT23-6
D1, Catch Diode 0.34-Vf Schottky, 1 A, 20 VR International Rectifier MBRA120 SMA
L1 10 µH, 1.3 A, 53 mΩ TDK SLF6028T-100M1R3 6028
R1 2 kΩ, 1% Vishay CRCW12062001F 1206
R3 0Ω Vishay CRCW12060000F 1206
R5 50 kΩ, 1% Vishay CRCW08055002F 0805
D3, C4, R4 Open