ZHCSHY8 March 2018 LP87561-Q1 , LP87562-Q1 , LP87563-Q1 , LP87564-Q1 , LP87565-Q1
PRODUCTION DATA.
請(qǐng)參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
The digital signals have a debounce filtering. The signal/supply is sampled with a clock signal and a counter. This results as an accuracy of one clock period for the debounce window.
| EVENT | SIGNAL/SUPPLY | RISING EDGE DEBOUNCE TIME | FALLING EDGE DEBOUNCE TIME |
|---|---|---|---|
| Enable and disable/voltage select for BUCKx | EN1 | 3 µs (1) | 3 µs (1) |
| Enable and disable/voltage select for BUCKx | EN2 | 3 µs (1) | 3 µs (1) |
| Enable and disable/voltage select for BUCKx | EN3 | 3 µs (1) | 3 µs (1) |
| VANA UVLO | VANA | 20 µs (VANA voltage rising) | Immediate (VANA voltage falling) |
| VANA overvoltage | VANA | 20 µs (VANA voltage rising) | 20 µs (VANA voltage falling) |
| Thermal warning | TDIE_WARN | 20 µs | 20 µs |
| Thermal shutdown | TDIE_SD | 20 µs | 20 µs |
| Current limit | VOUTx_ILIM | 20 µs | 20 µs |
| Overload | FB_B0, FB_B1, FB_B2, FB_F3 | 1 ms | 20 µs |
| Power-good interrupt | FB_B0, FB_B1, FB_B2, FB_F3 | 20 µs | 20 µs |
| PGOOD pin (voltage monitoring) | PGOOD / FB_B0, FB_B1, FB_B2, FB_F3 | 4-8 µs (start-up debounce time during start-up) | 4 to 8 µs |
| PGOOD pin (current monitoring) | PGOOD | 20 µs | 20 µs |