AN50 |
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| APPLICATION NOTE | ||
+12V |
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L2 |
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+5V | μH |
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2.5 |
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C4 | C1 | C2 |
| C3 |
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0.1 μF | 1000 μ F | 1000 μF | 1000 μ F | 0.1 μ F | R5 |
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| 47 | D1 |
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| C8 | C9 |
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| 1N4691 |
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| 0.1 μ F | 0.1 μF |
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| M1 |
| M2 |
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| 11 |
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| 10 | C12 |
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| IRF7413 |
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| 12 |
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| 9 | 1μF | IRF7413 |
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| R SENSE |
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| 13 |
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| 8 |
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| L1 |
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| 14 |
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| 7 | C6 |
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| μF |
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| VO |
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| 1.3μ H | 6m Ω | μF | μ F | μF | |||
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| 15 | RC5051 | 6 | 4.7 μF |
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| 1500 | 1500 | 1500 | 1500 | |||||
VREF |
| 16 |
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| 5 |
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| 17 |
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| 4 |
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C7 |
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| 1N5817 |
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| C13 | C14 |
| C16 | ||
| 18 |
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| 3 |
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| C15 | ||||
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0.1 μF |
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| IRF7413 |
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| 20 |
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GND |
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| CEXT |
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| 100pF |
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| VID4 |
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| VCC |
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| VID3 |
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| R6 |
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| VID2 |
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| 10K | PWRGD |
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| VID1 |
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| C11 |
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| VID0 |
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| C10 | ENABLE | 0.1 μ F |
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| 0.1 μ F |
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Figure 4. Synchronous DC-DC Converter Application Schematic Using the RC5051
6
