RT9808 ETC, RT9808 Datasheet
RT9808
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RT9808 Summary of contents
Page 1
... General Description The RT9808 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 1.5V to 5V, which covers most digital applications. It features low supply current of 3µA. ...
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... RT9808 Pin Description Pin Name Pin Function GND Ground Pin RESET Reset Pulse Output, Negative Pulse VDD Power Pin NC No Connected Function Block Diagram Threshold Voltage Setting www.richtek-ic.com.tw 2 Preliminary VDD CMP TIMER VSET POR Power On Reset RESET N DS9808-01 January 2002 ...
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... SINK -0.3V to 6.0V -0.3V to VDD+0.3V 20mA 20mA 0.25W 0.5W 0.25W -40°C ~ 125°C -65°C ~ 125°C 250°C /W 100°C /W 300°C /W 250°C /W 260°C Min Typ 0 OUT -- Note1 -- -- -- -- -- 200 -- 0.4 RT9808 Max Units µ µ www.richtek-ic.com.tw 3 ...
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... RT9808 (2) Current Consumption RT9808 V SS www.richtek-ic.com.tw 4 Preliminary (3) Output Transistor Current R (100k Ω ) Oscilloscope OUT (4) Dynamic Response OUT V DD 100k Ω CRT OUT RT9808 P OUT DD V RT9808 DS9808-01 January 2002 ...
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... V (V) DS Nch Driver Output Current vs 2.5V 12 2. (V) DS Output Voltage vs. Input Voltage 25° 3.0V 3 2.4V 2. 0.0 1.0 2.0 3.0 4.0 Input Voltage V IN www.richtek-ic.com.tw RT9808 DS 2.2V 2. 25°C A RT9808-24CV 2 2 4.0V 3.5V 3. 25°C A RT9808-45CV 3 4 5.0V 4.5V 5.0 6.0 (V) 5 ...
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... Input Voltage V IN Supply Current vs. Input Voltage 5 ° ° ° - Input Voltage V IN Reset Threshold Deviation vs. Temp. 5.1 4.7 4.3 3.9 3.5 3.1 2.7 2.3 1.9 -40 - Temperture ( C) ° DS9808-01 January 2002 RT9808-24CV (V) RT9808-45CV (V) 5V 4. ...
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... IN Nch Driver Output Current vs. Input Voltage 10 RT9808-24CV 0.5 1 1.5 Input Voltage V Nch Driver Output Current vs. Input Voltage 16 RT9808-45CV ° ° ° Input Voltage V Power-Up reset Timeout vs. Temp. ...
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... Temperture ( C) Output Delay Time vs. Load Capacitance 1000 100 10 4. 0.0001 0.001 Load Capacitance C DS9808-01 January 2002 V = 150mV drop V = 200mV drop V = 250mV drop RT9808-24CV 60 85 ° 150mV drop V = 250mV drop RT9808-45CV 60 85 ° 2. 25°C A 0.01 0.1 (uF) OUT ...
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... Max 0.889 1.295 -- 0.152 1.397 1.803 0.356 0.508 2.591 2.997 2.692 3.099 1.803 2.007 0.102 0.254 0.356 0.610 SOT-23 Plastic Surface Mount RT9808 H L Dimensions In Inches Min Max 0.035 0.051 -- 0.006 0.055 0.071 0.014 0.020 0.102 0.118 0.106 0.122 0.071 0.079 ...
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... RT9808 C C1 Symbol www.richtek-ic.com.tw 10 Preliminary Dimensions In Millimeters Min Max 1.397 1.600 0.356 0.483 2.388 2.591 0.406 0.533 -- 4.242 0.787 1.194 4.394 4.597 1.397 1.753 1.448 1.549 0.381 0.432 3-Lead SOT-89 Surface Mount ...
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... SOT- 25 Surface Mount Package RT9808 H L Dimensions In Inches Min Max 0.035 0.051 0.000 0.006 0.055 0.071 0.014 0.022 0.102 0.118 0.106 0.122 0.033 ...
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... RT9808 RICHTEK TECHNOLOGY CORP. Headquarter 6F, No. 35, Hsintai Road, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5510047 Fax: (8863)5537749 www.richtek-ic.com.tw 12 Preliminary RICHTEK TECHNOLOGY CORP. Taipei Office (Marketing) 8F-1, No. 137, Lane 235, Paochiao Road, Hsintien City Taipei County, Taiwan, R.O.C. Tel: (8862)89191466 Fax: (8862)89191465 Email: marketing@richtek-ic.com.tw ...