RT9300AGE Richtek USA Inc, RT9300AGE Datasheet
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RT9300AGE
Specifications of RT9300AGE
Related parts for RT9300AGE
RT9300AGE Summary of contents
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Tiny Package, Low Dropout Current Source General Description The RT9300A/B low-dropout bias supply for white LEDs is a high-performance alternative to the simple ballast resistors used in conventional white LED designs. The RT9300A/B uses an internal resistor to set the ...
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RT9300A/B Function Block Diagram EN Functional Pin Description Pin Name 1 EN Chip Enable (Active High). 2 GND Ground LED4 Cathode Connection. Current flowing into LED4 is Constant. (20mA/15 mA) 3 LED4 LED4 is High Impedance when EN is Low. ...
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Absolute Maximum Ratings Supply Input Voltage, V ------------------------------------------------------------------------------------------------ IN The other pins -------------------------------------------------------------------------------------------------------------- Power Dissipation 25° SOT-23-6 -------------------------------------------------------------------------------------------------------------------- 0.4W Package Thermal Resistance (Note 4) SOT-23-6, θ --------------------------------------------------------------------------------------------------------------- 250°C/W JA Lead Temperature (Soldering, 10 sec.) ...
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RT9300A/B 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 LED Current vs. Input Voltage LED 1 LED 2 12 LED 3 LED 2.5 3 Input Voltage (V) LED Current vs. Temperature 15.5 15.4 15.3 15.2 ...
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RT9300A/B Line Transient Response V = 3.2V to 3.7V IN Input Voltage (1V/Div) LED (25mA/Div) Current Time (100us/Div) www.richtek.com 6 DS9300A/B-04 October 2008 ...
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Applications Information The RT9300A 4-Channel current source driver for white LEDs. Enable Input EN powers the input of the RT9300A/B. This IC provides an under voltage lockout (UVLO) function to prevent it from unstable issue when startup. The ...
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RT9300A/B Layout Considerations For best performance, careful PCB layout is necessary. All peripheral components should be placed as close to the IC as possible. A short connection is highly recommended. The following guidelines should be strictly followed when designing a ...
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Outline Dimension Symbol Richtek Technology Corporation Headquarter 5F, No. 20, Taiyuen Street, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611 Information that is provided by Richtek Technology Corporation is believed ...