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HT75B18 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc |
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HT75B18 Datasheet(HTML) 4 Page - Holtek Semiconductor Inc |
4 / 15 page Rev. 1.00 4 August, 9, 2011 HT75Bxx Electrical Characteristics Ta=25°C, VIN=VOUT+1V, IOUT=30mA, unless otherwise specified (Note2) Symbol Parameter Test Conditions Min. Typ. Max. Unit VIN Input Voltage 1.5V≤VOUT≤5V 2.5 — 7 V ∆VOUT Output Voltage Tolerance 1mA≤I OUT ≤30mA 1.5V≤VOUT≤5.0V -2 — +2 % ∆VLINE Line Regulation VOUT+0.5V≤VIN≤7.0V, IOUT=10mA — 0.02 0.1 %/V ∆VLOAD Load Regulation (Note 3) 1mA≤IOUT≤150mA 1.5V≤VOUT≤1.8V — 13 30 mV 2.5V≤VOUT≤3.0V — 14 35 VOUT≥3.3V — 15 40 VDROP Dropout Voltage (Note 4) ∆V OUT =2% IOUT=150mA VOUT=1.5V — 0.54 0.86 V VOUT=1.8V — 0.44 0.65 2.5V≤VOUT≤5.0V — 0.33 0.46 ISHORT Short Current Limit VOUT=0V — 50 — mA ISS Supply Current IOUT=0mA — 10 20 μA ISD Shutdown Current CE=GND — 0.1 1 μA VIH CE Input High Threshold VOUT+1V≤VIN≤7V 1 — 7 V VIL CE Input Low Threshold VOUT+1V≤VIN≤7V 0 — 0.3 V RR Ripple Rejection IOUT=30mA f=1kHz — 70 — dB f=10kHz — 53 — VNOISE Output Noise Bandwidth=10Hz to 100kHz — 30 — μVrms TC Temperature Coefficient T C = OUT a OUT V TV ∆ ∆• IOUT=30mA, -40°C≤Ta≤85°C — ±100 — ppm/°C Note 1. Absolute maximum ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but do not guarantee specific performance limits. The guaranteed specifications apply only for the test conditions listed. 2. Specifications are production tested at Ta=room temperature. Specifications over the -40°C to 85°C operating temperature range are assured by design, characterization and correlation with Statistical Quality Controls (SQC). 3. Load regulation is measured at constant junction temperature, using pulse testing with a short ON time. The devices are guaranteed up to the maximum power dissipation. Power dissipation is determined by the input/output differential voltage and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range. The maximum allowable power dissipation at any ambient temperature is PD=(TJ(MAX)–Ta)/θJA. 4. Dropout voltage is the minimum input to output voltage differential needed to maintain regulation at a specified output current. Under dropout conditions, the output voltage will be equal to: VIN – VDROP. |
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