rt9818a-49gvl Richtek Technology Corporation, rt9818a-49gvl Datasheet
rt9818a-49gvl
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rt9818a-49gvl Summary of contents
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Micro-Power Voltage Detectors General Description The RT9818 is a micro-power voltage detector supervising the power supply voltage level for microprocessors (μP) or digital systems. It provides internally fixed threshold levels with 0.1V per step ranging from 1.2V to 5V, which ...
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RT9818 Pin Configurations RESET/ GND NC RESET RESET/ VDD VDD RESET SC-82 SC-82 (R-Type VDD GND RESET/ RESET/ RESET RESET SOT-23-5 Functional Pin Description Pin Name Pin ...
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... DD Parameter Operating Range DD OUT Supply Current Reset Threshold Threshold Voltage Accuracy V Drop to Reset Delay DD RT9818A/E RT9818B/F Reset Active Time Out Period RT9818C/G RT9818D/H RESET Output Voltage Low (Note 5) V Hysteresis Width DS9818-05 March 2007 (Note 1) (Note 3) Symbol Test Conditions V ...
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RT9818 Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the operational ...
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... Typical Operating Characteristics Nch Driver Output Current vs. V 2.4 RT9818A-12 2 1.6 1.2 0.8 0 0.3 0 Nch Driver Output Current vs. V 120 RT9818A-45 100 Supply Current vs. Input Voltage 6 RT9818A- Input Voltage (V) DS9818-05 March 2007 1. 1.0V DD 0.9 1.2 1 4.0V = 3.5V = 3. ...
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... Power-Down Reset Delay vs. Temperature 14 RT9818A- 200mV 8 DROP -50 - Temperature Power-Down Reset Delay vs. Temperature 45 RT9818A- 200mV DROP -50 - Temperature Nch Driver Sink Current vs. Input Voltage 40 RT9818C-30 0. 25° ...
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... Nch Driver Sink Current vs. Input Voltage 50 RT9818A-45 0. Input Voltage(V) Power-Up Reset Time-Out vs. Temperature 100 RT9818A -50 - Temperature Nch Driver Output Current vs. V 160 RT9818G-31 140 120 100 DS9818-05 March 2007 -30° ...
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RT9818 Power Down Reset Time-Out vs. Temperature 500 RT9818G-31 400 300 200 100 0 -50 - Temperature Power-Down Reset Time-Out vs. Temperature 30 RT9818G- 200mV DROP -50 - ...
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Application Information Multiple Supplies Mainly, the pull-up connected to the RT9818 will connect to the supply voltage that is being monitored at the IC’ s pin. However, some systems may use the open-drain output to level-shift from the monitored supply ...
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RT9818 Outline Dimension Symbol www.richtek.com Dimensions In Millimeters Min Max 0.800 1.100 0.000 0.100 1.150 1.350 0.150 0.400 1.800 2.450 1.800 2.250 1.300 ...
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Symbol DS9818-05 March 2007 Dimensions In Millimeters Min Max 0.800 1.100 0.000 0.100 1.150 1.350 0.150 0.400 0.350 0.500 1.800 2.450 ...
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RT9818 Symbol www.richtek.com Dimensions In Millimeters Min Max 0.889 1.295 0.000 0.152 1.397 1.803 0.356 0.508 2.591 2.997 2.692 3.099 1.803 2.007 0.080 ...
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Symbol DS9818-05 March 2007 Dimensions In Millimeters Min Max 0.889 1.295 0.000 0.152 1.397 1.803 0.356 0.559 2.591 2.997 2.692 3.099 0.838 1.041 0.080 ...
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... SOT-89 Surface Mount Package Richtek Technology Corporation Taipei Office (Marketing) 8F, No. 137, Lane 235, Paochiao Road, Hsintien City Taipei County, Taiwan, R.O.C. Tel: (8862)89191466 Fax: (8862)89191465 Email: marketing@richtek.com A H Dimensions In Inches Min Max 0 ...