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SM8134A Arkusz danych(PDF) 4 Page - Nippon Precision Circuits Inc |
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SM8134A Arkusz danych(HTML) 4 Page - Nippon Precision Circuits Inc |
4 / 19 page SM8134A SEIKO NPC CORPORATION —4 Electrical Characteristics DC Characteristics GND = 0V, VIN = 3.6V, 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 VIN IDD1 ×1.0 mode, no load – 0.3 1.0 mA IDD2 ×1.5 mode, no load – 1.7 4.0 mA Maximum output voltage VOUT VOUT ×1.5 mode VOUT maximum voltage 4.6 4.9 5.2 V Maximum output current VOUT IOUT ×1.5 mode 200 – – mA Operating frequency C1M fOSC ×1.5 mode switching frequency 650 750 850 kHz Internal circuit power-ON reset time*1 *1. Design guaranteed value VIN TPOR Time from when power is applied until internal circuit reset – 0.05 1.0 ms Soft start time DIN1 to 5 TSS Time between EN signal falling edge and LED turning ON – 1.0 3.0 ms LED drive pin leakage current DIN1 to 5 ILEAK1 to 5 Standby mode, VDIN1 to 5 = VIN – 0.01 1.00 µA LED drive current matching DIN1 to 4 ∆ ILED ×1.0 mode, matching between channels with ILED1 to 4 = 20mA setting –3.0 – +3.0 % LED drive current 1 DIN1 to 4 ILED1 to 4 ×1.0 mode, ILED1 to 4 = 20mA setting 19.0 20.0 21.0 mA LED drive pin voltage 1*2 *2. Pin voltage value which switching ×1.0 mode to ×1.5 mode when LED current shortage detection DIN1 to 4 VDIN1 to 4 ILED1 to 4 = 20mA setting – 160 – mV LED drive current 2 DIN5 ILED5 ×1.5 mode, ILED5 maximum setting 140 150 160 mA LED drive pin voltage 2*2 DIN5 VDIN5 IDIN5 maximum setting – 400 – mV Under voltage lockout threshold*3 *3. When UVLO is active, the output is stopped and internal register is reset. –VUV VIN falling 1.6 1.9 2.2 V Thermal protection circuit operating temperature*1 –TSD – 170 – °C Thermal protection circuit hysteresis*1 –TSDHYS –20– °C Logic-level input voltage EN, SCK, SDA VIH HIGH-level input voltage range 1.8 – – V VIL LOW-level input voltage range – – 0.6 V Logic-level input current EN, SCK, SDA IIL EN = SCK = SDA = VIN – – 1.0 µA IIH EN = SCK = SDA = GND –1.0 – – µA |
Podobny numer części - SM8134A |
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Podobny opis - SM8134A |
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