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SC622 Arkusz danych(PDF) 4 Page - Semtech Corporation |
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SC622 Arkusz danych(HTML) 4 Page - Semtech Corporation |
4 / 21 page SC622 4 Parameter Symbol Conditions Min Typ Max Units Fault Protection (continued) Charge Pump Over-Voltage Protection V OVP VOUT pin open circuit, V OUT = V OVP rising threshold 5.3 5.7 6.0 V Undervoltage Lockout V UVLO Decreasing V IN 2.4 V V UVLO-HYS 300 mV Charge Pump Electrical Specifications Maximum Total Output Current I OUT(MAX) V IN > 3.4V, V OUT(MAX) = 4.0V 400 mA Flash Current Setting I FL Nominal setting for FL 50 400 mA Flash Current Accuracy I FL_ACC V IN = 3.7V, I FL = 400mA, T A = 25°C -15 +15 % 1x Mode to 1.5x Mode Falling Transition Voltage V TRANS1x I OUT = 100mA, V OUT = 3.3V 3.37 V 1.5x Mode to 2x Mode Falling Transition Voltage V TRANS1.5x I OUT = 100mA, V OUT = 4.5V(2) 3.3 V Current Sink Off-State Leakage Current I BLn V IN = V FL = 4.2V 0.1 1 μA Pump Frequency f PUMP V IN = 3.2V 250 kHz LDO Electrical Specifications LDO1 Voltage Setting V LDO1 Range of nominal settings in 100mV increments 2.5 3.3 V LDO2 Voltage Setting V LDO2 Range of nominal settings in 100mV increments 1.5 1.8 V LDO1, LDO2 Output Voltage Accuracy V LDO1, V LDO2 V IN = 3.7V, I LDO = 1mA -3.5 ±3 +3.5 % Line Regulation ΔV LINE LDO1, I LDO1 = 1mA, V OUT = 2.8V 2.1 7.2 mV LDO2, I LDO2 = 1mA, V OUT = 1.8V 1.3 4.8 Electrical Characteristics (continued) |
Podobny numer części - SC622 |
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Podobny opis - SC622 |
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