SNVA135B October 2005 – December 2021 LM2736
2 Operating Conditions
- VIN = 5 V
- VO = 1.5 V
- IO = 750 mA
Figure 2-1 LM2736 Demo Board
Schematic
Figure 2-2 Efficiency vs Load
CurrentTable 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 |