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LB1945H Fiches technique(PDF) 2 Page - Sanyo Semicon Device |
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LB1945H Fiches technique(HTML) 2 Page - Sanyo Semicon Device |
2 / 7 page LB1945H No.6193-2/7 Allowable Operating Ranges at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Motor supply voltage VBB 10 to 28 V Logic supply voltage VCC 4.75 to 5.25 V Reference voltage VREF 1.5 to 5.0 V Electrical Characteristics at Ta = 25°C, VBB = 24V, VCC = 5V, VREF = 5.0V Ratings Parameter Symbol Conditions min typ max Unit Output Block IBB ON I1 = 0.8V, I2 = 0.8V, ENABLE = 0.8V 0.5 1.0 2.0 mA Output stage supply current IBB OFF ENABLE = 3.2V 0.2 mA VOsat1 IO = +0.5A, sink 0.3 0.5 V VOsat2 IO = +0.8A, sink 0.5 0.7 V VOsat3 IO = -0.5A, source 1.6 1.8 V Output saturation voltage VOsat4 IO = -0.8A, source 1.8 2.0 V IO1(leak) VO = VBB, sink 50 µA Output leakage current IO2(leak) VO = 0V, source -50 µA Output sustain voltage VSUS L = 3.9mH, IO = 1.0A, Design guarantee value * 30 V Logic Block ICC ON I1 = 0.8V, I2 = 0.8V, ENABLE = 0.8V 50 70 92 mA Logic supply current ICC OFF ENABLE = 3.2V 7 10 13 mA VIH 3.2 V Input voltage VIL 0.8 V IIH VIH = 3.2V 35 50 65 µA Input current IIL VIL = 0.8V 7 10 13 µA I1 = 0.8V, I2 = 0.8V 9.5 10 10.5 I1 = 3.2V, I2 = 0.8V 13.5 15 16.5 Set current control threshold value Vref/Vsen I1 = 0.8V, I2 = 3.2V 25.5 30 34.5 Reference current Iref Vref = 5.0V, I1 = 0.8V, I2 = 0.8V 17.5 25 32.5 µA CR pin current ICR CR = 1.0V -1.0 mA Thermal shutdown temperature T-TSD Design guarantee value * 170 °C Temperature hysteresis width Ts hys 40 °C * Design guarantee value, Do not measurement. |
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