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BT75A33LS-RF Datasheet(PDF) 2 Page - KODENSHI_AUK CORP. |
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BT75A33LS-RF Datasheet(HTML) 2 Page - KODENSHI_AUK CORP. |
2 / 6 page KK75Axx ELECTRICAL CHARACTERISTICS (TA = 25 oC, unless otherwise specified) Characteristic Symbol Test Conditions Min Typ Max Unit Supply Voltage VCC 1.2 5.5 V Detecting Voltage VDET 2.16 2.35 2.50 2.65 2.74 3.23 3.82 4.12 4.61 4.90 2.20 2.40 2.55 2.70 2.80 3.30 3.90 4.20 4.70 5.00 2.24 2.45 2.60 2.75 2.86 3.37 3.98 4.28 4.79 5.10 V Supply Current ICC VCC = 5.0V, No Load 8 15 µA Low Output Voltage VOL VCC = VDET–0.2V, IOL = 0.1mA 0.1 0.3 V High Output Voltage VOH VCC = VDET+0.2V, IOH = 0.1mA VCC – 0.3V V Hysteresis Voltage VHYS 2.0 % Detective Voltage Temperature Coefficient DET DET V T V ∆ × ∆ ∆ -10 oC < T A <70 oC ± 0.02 %/ oC BLOCK DIAGRAM CMOS OUTPUT OPEN DRAIN OUTPUT + - OUT VREF RA RB VB RC VSS VCC + - OUT VSS VCC VREF RA RB VB RC FUNCTIONAL DESCRIPTION The KK75AXX series is the set of voltage detectors equipped with a high stability voltage reference which is connected to the negative input of a comparator - denoted as VREF in block diagram. When the voltage drop to the positive input of the comparator (VB) is high than VREF, VOUT goes high. If VCC is decreased so that VB falls to a value less than VREF, the comparator output inverts from high to low, VOUT goes low. The device has hysteresis to prevent the circuit from oscillation when VB ≈ VREF. If VCC falls below the minimum operating voltage, the output becomes undefined. The detectable voltage is defined as: () REF V RC RB RC RB RA DET V × + + + = − The release voltage is defined as: () REF V RB RB RA DET V × + = + The hysteresis width is: ) ( DET V ) DET HYS V ( V − − = + 2 |
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