
S1F71100 Series
PIN ASSIGNMENTS
Top ViewSSCAP |
| 1 |
| 8 |
| VSS |
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POFFX |
| 2 | Index | 7 |
| VO |
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VDD |
| 3 |
| 6 |
| ERCAP |
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ISENSE |
| 4 |
| 5 |
| SWO |
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PIN DESCRIPTIONS |
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| Pin No. | Pin name | Pin Type | Description |
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| 1 | SSCAP | — | The soft start function is obtained when a capacitor is connected |
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| between the capacitor connection pin for setting soft start and the VSS |
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| 2 | POFFX | — | Power off control pin |
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| During normal operation : VDD level |
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| At power off time : VSS level |
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| 3 | VDD | Power | Power supply pin (+) |
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| supply |
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| 4 | ISENSE | — | Load current feedback pin |
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| Load current detection resistor connection pin |
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| (Connect a resistor of 100mΩ) |
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| 5 | SWO | Output | Switching Pch power MOS transistor drive pin |
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| 6 | ERCAP | – | Capacitor connection pin for external phase compensation |
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| 7 | VO | Input | Output voltage feedback pin |
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| 8 | VSS | Power | Power supply pin |
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| supply |
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S1F71100 | Series |
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S1F70000 Series Technical Manual
EPSON |