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SM8136AB Datasheet(PDF) 4 Page - Nippon Precision Circuits Inc |
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SM8136AB Datasheet(HTML) 4 Page - Nippon Precision Circuits Inc |
4 / 15 page SM8136A SEIKO NPC CORPORATION —4 Electrical Characteristics VIN = 3.6V, GND = 0V, Ta = 25°C unless otherwise noted. Parameter Pin Symbol Condition Rating Unit min typ max Standby current VIN ISTB Standby mode – 0.01 1.00 µA Quiescent current 1 VIN IDD1 ×1.0 mode, IOUT = 0mA – 0.3 1.0 mA Quiescent current 2 IDD2 ×1.5 mode, IOUT = 0mA – 1.0 2.0 mA Output voltage VOUT VOUT ×1.5 mode, VIN = 3.6V, IOUT = 0mA 4.5 5.0 5.5 V ×1.5 mode, VIN = 3.0V, IOUT = 60mA – 3.5 – V Maximum output current VOUT IOUT ×1.5 mode 60 – – mA Operating frequency C1M fOSC ×1.5 mode switching frequency 800 1000 1200 kHz Internal power-ON reset time*1 *1. Design guaranteed value EN TPOR Rest time from when power is applied – 0.05 1.00 ms Power-ON rise time EN, VIN TPR EN = VIN, time from 0.3V to 2.7V – – 50 µs Soft start time DIN1 to 3 TSS EN startup → ILED rising edge – 2.00 3.00 ms LED drive pin leakage current DIN1 to 3 ILeak1 to 3 Standby mode, DIN pin = 5.0V – 0.01 1.00 µA LED drive current DIN1 to 3 ILED1 to 3 ×1.0 mode (3-channel average value) 18.0 20.0 22.0 mA LED drive current accuracy DIN1 to 3 ∆ILED ×1.0 mode, relative accuracy between channels at ILED maximum settings –5.0 – +5.0 % LED drive pin voltage DIN1 to 3 VDIN1 to 3 ×1.0 mode, ILED = 20mA – 120 – mV ×1.0 ↔ ×1.5 mode switching threshold voltage VIN VTH1.0 to 1.5 VF (LED) = 3.3V, ILED = 20mA – 3.46 – V EN hold time*1*2 *2. EN TCEH Time from when EN = LOW until shutdown 0.50 1.00 1.50 ms EN HIGH-level input time*1 EN TENH EN input pulse HIGH-level minimum pulsewidth 4.0 – – µs EN LOW-level input time*1*2 EN TENL EN input pulse LOW-level pulsewidth range 4.0 – 500 µs Logic input voltage EN VIH HIGH-level input voltage range 1.4 – – V VIL LOW-level input voltage range – – 0.3 V Logic input current EN IIH Pull-down pin, EN pin = 3.6V – 5.0 10.0 µA IIL EN pin = 0V –1.0 – – µA EN When shutdown > 1.5msec EN When dimming 4 µsec to 500µsec |
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