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BD1754HFN Datasheet(PDF) 2 Page - Rohm |
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BD1754HFN Datasheet(HTML) 2 Page - Rohm |
2 / 19 page 2/16 BD1754HFN Datasheet TSZ02201-0G3G0C200060-1-2 9.NOV.2012 Rev.001 www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 ●Absolute Maximum Ratings (Ta = 25°C) Parameter Symbol Ratings Unit Terminal voltage VMAX 7 V Power dissipation Pd 630 (*1) mW Operating temperature range Topr -30 to +85 °C Storage temperature range Tstg -55 to +150 °C (*1) This value is the measurement value when the driver is mounted on a glass epoxy board (70 mm x 70 mm x 1.6 mm). When using the driver at Ta of 25°C or higher, the power is dissipated by approx. 5.04 mW/°C. ●Recommended Operating Ratings (Ta = -30°C to +85°C) Parameter Symbol Limits Unit Condition Min. Typ. Max. Operating power supply voltage VIN 2.7 3.6 5.5 V Driver pin voltage range VDRV 0.2 - VIN-1.4 V When Current driver power on. ●Electrical Characteristics (Unless otherwise specified, Ta = 25°C and VIN = 3.6 V) Parameter Symbol Limits Unit Condition Min. Typ. Max. Quiescent current Iq - 0.1 1 μA EN=0V Circuit current IDD - 1.2 2.0 mA Except LED current [Current driver] Maximum current ILED-max 29.76 32.0 34.24 mA RISET = 120kΩ LED Current accuracy ILED-diff - - 7.0 % When current 16.5 mA setting RISET = 120kΩ LED Current matching ILED-match - 0.5 3.0 (*1) % When current 16.5 mA setting RISET = 120kΩ [Logic controller] Low threshold voltage VIL - - 0.4 V High threshold voltage VIH 1.4 - - V ‘H’ level input current IIH - 0 2 μA EN=VIN ‘L’ level input current IIL -2 0 - μA EN=0V EN ‘H’ time THI 0.05 - 100 μs EN ‘L’ time TLO 0.3 - 100 μs EN Off time-out TOFF 1 - - ms VIN supply -> EN active time TVINON 1 - - ms EN stand-by -> VIN Off time TVINOFF 0 - - ms (*1) The following formula is used for calculation: ILED-match = {(Imax - Imin) / (Imax + Imin)} x 100 Imax = Current value in a channel with the maximum current value among all channels Imin = Current value in a channel with the minimum current value among all channels |
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