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2 / 20 page 2/22 Datasheet Datasheet BD60A00NUX BD60A60NUX © 2012 ROHM Co., Ltd. All rights reserved. www.rohm.com TSZ22111・15・001 TSZ02201-0G3G0C200320-1-2 27.SEP.2012 Rev.001 ●Absolute Maximum Ratings Parameter Symbol Ratings Unit Condition Maximum applied voltage 1 VMAX1 7 V VIN, EN, PWM, ISET terminals Maximum applied voltage 2 VMAX2 45 V FB, SW, VOUT terminals BD60A00NUX Maximum applied voltage 3 VMAX3 31 V FB, SW, VOUT terminals BD60A60NUX Operating temperature range Topr -40 to +85 ˚C Storage temperature range Tstg -55 to +150 ˚C Power dissipation 1 Pd1 2000 mW *1 *1 4 layer (ROHM Standard board) has been mounted. When it’s used by more than Ta=25˚C, it’s reduced by 20mW/˚C. ●Recommended Operating Ratings (Ta=-40˚C to +85˚C) Parameter Symbol Ratings Unit Conditions Operating power supply voltage VIN 2.7 to 5.5 * V VIN terminal Operating coil voltage Vcoil 2.3 to 20 V Coil voltage *When the operating supply voltage is over 4.61V for BD60A00NUX, please refer the application P.16 ●Electrical Characteristics (Unless otherwise specified, Ta=25˚C, VIN=3.6V) Parameter Symbol Limits Unit Conditions Min. Typ. Max. Quiescent Current Iq - 0.1 1.0 μA EN=0V Current Consumption (No Boost) IddNB - 1.5 3.0 mA EN=2.8V, PWM=0V Current Consumption (Boost) IddB - 2.5 5.0. mA EN=2.8V, PWM=2.8V [EN, PWM Terminal] Low Input Voltage range VthL - - 0.5 V High Input Voltage range VthH 1.4 - - V Pull down register Rcnt 65 100 135 kΩ [Switching Regulator] FB Terminal Control Voltage FB 0.56 0.70 0.84 V Switching Frequency fSW - 600 - kHz Max Duty Duty 90 95 - % FB=0V SW Transistor ON Resistor Ronn - 0.5 - Ω Isw=80mA SW Transistor Leak Current IqSW - 0.1 2.0 μA EN=0V [Protection] Over Current Limit Icoil - 750 - mA *1 Over Voltage Limit BD60A00NUX OVP1 40 42 44 V Detect voltage of VOUT terminal Over Voltage Limit BD60A60NUX OVP2 26 28 30 V Detect Voltage of VOUT terminal Over Voltage Limit Hysteresis OVPhy - 1 - V VOUT Terminal Leak Current IqVOUT - 0.1 1.0 μA EN=0V Shot key Diode Open Protection Sop - 0.2 - V Detect Voltage of VOUT terminal LED Terminal Over Voltage Protection LEDOVP 4.4 5.9 6.4 V PWM=2.8V Detect Voltage of Low Voltage UVLO - 2.2 - V VIN falling edge [Current Driver] LED Maximum Current ILMAX - - 30 mA VIN=4V, COUT=1µF LED Current Accuracy ILACCU - - ±3.0 % ILED=20mA LED Current Limit ILOCP - 0 0.1 mA Current Limit Value at ISET Resistor 1kΩ Setting LED Leak Current IqLED - 0.1 2.0 μA EN=0V ISET Terminal Voltage Iset - 0.6 - V *1 This parameter is tested with DC measurement. |
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