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參數(shù)資料
| 型號(hào)： | SC622A |
| 廠商： | Semtech Corporation |
| 英文描述： | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface |
| 中文描述： | LED燈管理股電荷泵，400mA的閃光LED，雙LDO和I2C接口 |
| 文件頁(yè)數(shù)： | 16/23頁(yè) |
| 文件大小： | 326K |
| 代理商： | SC622A |
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SC622A
16
Charge Pump Output Current Limit
The device also limits the charge pump current at the
VOUT pin. When VOUT is shorted to ground, the typical
output current is 300mA. The current limiting is triggered
by an output under-voltage lockout below 2V. The output
returns to normal when the short is removed and VOUT is
above 2.5V. Above 2.5V, a typical current limit of 1A
applies.
LDO Current Limit
The device limits the output currents of LDO1 and LDO2 to
help prevent it from overheating and to protect the loads.
The minimum limit is 200mA, so load current greater than
the rated 100mA can be used with degraded accuracy
and larger dropout without tripping the current limit.
LED Float Detection
Float detect is a fault detection feature of the LED current
sink output. If the output is programmed to be enabled
and an open circuit fault occurs the current sink output,
the output will be disabled to prevent a sustained output
OVP condition from occurring due to the resulting open
loop.
Applications Information (continued)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC622AEVB | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface |
| SC622AULTRT | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface |
| SC622 | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and SemWireTM Interface |
| SC622EVB | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and SemWireTM Interface |
| SC622ULTRT | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and SemWireTM Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC622A_09 | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 400mA Flash LED,Dual LDOs,and I2C Interface |
| SC622AEVB | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface |
| SC622AULTRT | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface |
| SC622EVB | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and SemWire Interface |
| SC622ULTRT | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and SemWireTM Interface |
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