RT9164A RICHTEK [Richtek Technology Corporation], RT9164A Datasheet
RT9164A
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RT9164A Summary of contents
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... Outstanding features include low dropout performance at rated current, fast transient response, internal current-limiting, and thermal-shutdown protection of the output device. The RT9164A series of three terminal regulators offers fixed and adjustable voltage options available in space-saving SOT-223, TO-252, and TO-263 packages. ...
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... Figure 1. Adjustable Voltage Regulator RT9164A-33 VIN VOUT GND C IN 10uF I Q (1) C needed if device is far from filter capacitors. IN (2) C required for stability. OUT Figure 2. Fixed Voltage Regulator RT9164A-28 VIN VOUT GND C C OUT IN 10uF 22uF I Q Figure 3. Active SCSI Bus Terminator V = 3.45V OUT C ...
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... Function Block Diagram Functional Pin Description Pin Name Pin Function ADJ/GND Adjust Output or Ground VOUT Output Voltage VIN Power Input DS9164A-13 August 2007 S.O.A. Current LIMIT Limiting Amplifier SENSE Thermal Overload Voltage Regulation Amplifer V REF RT9164A VIN VOUT ADJ/GND www.richtek.com 3 ...
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... Recommended Operating Conditions Supply Input Voltage -------------------------------------------------------------------------------------------------- 3V to 14V Junction Temperature Range ---------------------------------------------------------------------------------------- Electrical Characteristics (T = 25°C, unless otherwise specified) A Parameter Reference Voltage RT9164A (Note 4) RT9164A -15 RT9164A -18 Output Voltage RT9164A -25 (Note 4) RT9164A -28 RT9164A -30 www.richtek.com 4 (Note 1) (Note 3) Symbol Test Conditions − 10mA, (V OUT IN OUT T = 25°C ...
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... RT9164A -15 RT9164A -18 RT9164A -25 Load Regulation (Note 4) RT9164A -28 RT9164A -30 RT9164A -33 RT9164A -35 Dropout Voltage (Note 5) Current Limit Minimum Load Current RT9164A Quiescent Current RT9164A -XX I Ripple Rejection Adjust Pin Current Adjust Pin Current Change DS9164A-13 August 2007 Symbol Test Conditions I = 10mA 4.75V, T OUT IN 10mA < ...
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... RT9164A 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 sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may remain possibility to affect device reliability ...
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... 100 125 C) ° 2.5V 1Ω OUT 1.8 1.7 1 10uF Electrolytic 10uF Tantalum O 1 RT9164A Reference Voltage vs. Temperature 10uF Electrolytic 10uF Tantalum 100Ω ∞ -50 - Temperature ° Quiescent Current vs. Temperature V V ...
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... RT9164A Dropout Voltage vs 2.5V OUT 1.2 1.1 1.0 0.9 0.8 0 0.3 0.6 Load Current (A) Line Transient Response - Time (10us/Div) Line Transient Response - Time (10us/Div) www.richtek.com 8 3.5 -40°C 3 2.5 25°C 2 1.5 1 125°C 0 10uF Electrolytic 10uF Tantalum O 0.9 1.2 1 1.5V OUT C = 10uF Tantalum ...
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... Load Transient Response 300 3.3V IN OUT 10uF Tantalum 200 IN O Preload = 0.1A 100 0 -100 Time (10us/Div) DS9164A-13 August 2007 RT9164A Load Transient Response 300 2.5V IN OUT 10uF Tantalum 200 IN O Preload = 0.1A 100 0 -100 1 0.5 0 Time (10us/Div) Load Transient Response ...
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... OUT should be set to conduct 10mA (minimum output load). The output voltage is given by the following equation ( OUT REF ADJ fixed versions of RT9164A, the voltage divider is provided internally. RT9164A VIN VOUT V IN ADJ V C REF IN 10uF I ADJ 65uF ...
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... Figure 6. Best Load Regulation Using Adjustable Output Regulator Thermal Protection RT9164A has thermal protection which limits junction temperature to 150°C. However, device functionality is only guaranteed to a maximum junction temperature of +125°C. The power dissipation and junction temperature for RT9164A are given ...
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... RT9164A Outline Dimension Symbol www.richtek.com Dimensions In Millimeters Min Max 1.450 1.803 0.020 0.100 0.610 0.787 3.302 3.708 6.706 7.290 6.299 6.706 2.896 3.150 2.261 2.362 0.229 0.330 1.550 1.950 0.800 1.100 ...
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... Ref. 0.635 1.016 3.810 Ref. 3.048 Ref. 0.200 0.850 2.500 3.400 0.500 0.850 3-Lead TO-252 Surface Mount Package RT9164A Min Max 0.086 0.094 0.035 0.080 0.020 0.035 0.040 Ref. 0.018 0.023 0.018 ...
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... RT9164A Symbol Richtek Technology Corporation Headquarter 5F, No. 20, Taiyuen Street, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611 www.richtek.com Dimensions In Millimeters Min Max 4.064 4.826 1.143 1.676 0.660 0.914 1.143 1 ...