mic4812 Micrel Semiconductor, mic4812 Datasheet
mic4812
Related parts for mic4812
mic4812 Summary of contents
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... The brightness is controlled through an Ultra Fast PWM™ interface operating down to less than 1% duty cycle. The MIC4812 is available in an 10-pin MSOP ePad package with a junction temperature range of -40°C to +125°C. Datasheets and support documentation can be found on Micrel’ ...
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... LED3 driver input. Connect LED anode to VIN and cathode to this pin. LED2 driver input. Connect LED anode to VIN and cathode to this pin. LED1 driver input. Connect LED anode to VIN and cathode to this pin. Heat sink pad. Not internally connected. Connect to ground. 2 MIC4812 Package 10-Pin ePad MSOP M9999-010511-A ...
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... IN ) .................................... ................................... D1-D6 ) ........................ –40°C to +125°C J ePad MSOP-10L (θ ) ....................................76.7°C/W JA ≤ 125°C; unless noted. J Min Typ 96 101 1 190 3.2 0.01 1.2 0. 0 MIC4812 IN IN Max Units 106 mA 3.6 % 320 mV 4 µA 0 µA µs 60 µs µs µs µ M9999-010511-A ...
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... LED CURRENT (mA) LED Current vs. Temperature 105 LED6 104 LED4 103 102 101 100 LED1 8.25kΩ SET 95 -40 - TEMPERATURE (°C) MIC4812 200 300 400 500 LED2 LED3 LED5 R = 8.25kΩ SET M9999-010511-A ...
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... Micrel Inc. Functional Characteristics January 2011 5 MIC4812 M9999-010511-A ...
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... Micrel Inc. Functional Diagram January 2011 Figure 1. MIC4812 Functional Block Diagram 6 MIC4812 M9999-010511-A ...
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... PWM signal. See the PWM Dimming Interface in the Application Information section for details. Pulling the EN low for more than 20ms puts the MIC4812 into a low Iq sleep mode. The EN pin cannot be left floating; a floating enable pin may cause an indeterminate state on the outputs. ...
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... WLED current response when a PWM signal is applied to the END pin (1) From the low Iq sleep mode higher PWM frequencies may require a logic high enable signal for 60μs to first enable the MIC4812 prior to . PWM dimming Figure 3. Average Current per LED Dimming ...
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... Figure 10. PWM Signal at 100% Duty Cycle (I avg Input Capacitor The MIC4812 is a high-performance, high bandwidth device. Stability can be maintained using a ceramic input capacitor of 2.2µF. Low-ESR ceramic capacitors provide optimal performance at a minimum amount of space. X5R or X7R dielectrics are recommended for the input capacitor ...
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... Micrel Inc. MIC4812 Typical Application Circuit Bill of Materials Item Part Number C1608X5R0J225K 06036D225KAT2A C1 GRM188R60J225KE19D VJ0603G225KXYAT OVS5WBCR4 D1 – CRCW06038K25F5EA R2 CRCW06032003FKEA U1 MIC4812YMME Notes: 1. TDK: www.tdk.com 2. AVX: www.avx.com 3. Murata: www.murata.com 4. Vishay: www.vishay.com 5. OPTEK: www.optekinc.com 6. Micrel, Inc.: www.micrel.com January 2011 Manufacturer (1) TDK (2) AVX Ceramic Capacitor, 2.2µF, 6.3V, X5R, Size 0603 ...
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... Micrel Inc. PCB Layout Recommendations January 2011 Top Layer Bottom Layer 11 MIC4812 M9999-010511-A ...
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... Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully January 2011 10-Pin EPAD MSOP (MME) indemnify Micrel for any damages resulting from such use or sale. © 2010 Micrel, Incorporated. 12 http://www.micrel.com M9999-010511-A MIC4812 ...