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MC33264 数据表(PDF) 3 Page - ON Semiconductor |
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MC33264 数据表(HTML) 3 Page - ON Semiconductor |
3 / 8 page MC33264 3 MOTOROLA ANALOG IC DEVICE DATA ELECTRICAL CHARACTERISTICS (continued) (Vin = 6.0 V, IO = 10 mA, CO = 1.0 µF, TJ = 25°C (Note 1), unless otherwise noted.) Characteristic Unit Max Typ Min Symbol ON/OFF INPUTS On/Off Input (Pin 3 Tied to Ground) VOn/Off V Logic “1” (Regulator ON) 2.4 – Vin Logic “0” (Regulator OFF) 0 – 0.5 On/Off Input (Pin 2 Tied to Vin) Logic “0” (Regulator ON) 0 – Vin – 2.4 Logic “1” (Regulator OFF) Vin – 0.2 – Vin On/Off Pin Input Current (Pin 3 Tied to Ground) IOn/Off µA VOn/Off= 2.4 V – 1.9 – On/Off Pin Input Current (Pin 2 Tied to Vin) VOn/Off = Vin – 2.4 V – 12 – NOTES: 1. Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 2. Quiescent current is measured where the PNP pass transistor is in saturation. VCE = –0.5 V guarantees this condition. 3. Noise tests on the MC33264 are made with a 0.01 µF capacitor connected across Pins 8 and 5. DEFINITIONS Dropout Voltage – The input/output voltage differential at which the regulator output no longer maintains regulation against further reductions in input voltage. Measured when the output drops 100 mV below its nominal value (which is measured at 1.0 V differential), dropout voltage is affected by junction temperature, load current and minimum input supply requirements. Line Regulation – The change in output voltage for a change in input voltage. The measurement is made under conditions of low dissipation or by using pulse techniques such that average chip temperature is not significantly affected. Load Regulation – The change in output voltage for a change in load current at constant chip temperature. Maximum Power Dissipation – The maximum total device dissipation for which the regulator will operate within specifications. Quiescent Current – Current which is used to operate the regulator chip and is not delivered to the load. Output Noise Voltage – The rms ac voltage at the output, with constant load and no input ripple, measured over a specified frequency range. 0 6.0 0.1 5.0 Vin, INPUT VOLTAGE (V) Figure 1. Quiescent Current versus Load Current Iload, LOAD CURRENT (mA) Figure 2. Output Voltage versus Input Voltage TA = 25°C MC33264D–5.0 RL = 5.0 k RL = 100 Ω 1.0 10 100 1.0 2.0 3.0 4.0 5.0 6.0 1.0 0.10 0.03 5.0 4.0 3.0 2.0 0 1.0 TA = 25°C MC33264D–5.0 |
类似零件编号 - MC33264 |
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类似说明 - MC33264 |
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