MIC4832 Micrel Semiconductor, MIC4832 Datasheet
MIC4832
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MIC4832 Summary of contents
Page 1
... The MIC4832 is a low noise 220Vp-p electroluminescent lamp (EL) driver. Using advanced Bipolar, CMOS, DMOS (BCD) technology, the MIC4832 integrates a high voltage boost converter and an H-bridge driver for driving a large EL lamp. The MIC4832 can drive large panel displays for mobile phones, multimedia electronics where EL panels are used for backlighting ...
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... EL Output: Connect to one end of the EL lamp. Polarity is not important. EL Output: Connect to one end of the EL lamp. Polarity is not important. 2 Lead Finish ® RoHS Compliant / Pb-Free / Halogen Free* RoHS Compliant / Pb-Free ® 8-Pin 3mm × 3mm MLF (ML) M9999-111507-B MIC4832 ...
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... A (3) MSOP (θ ) .....................................................206°C/W JA MLF-8L (θ )......................................................63°C/W JA Min Typ 3.8 91 105 VDD- 0.5 = 5.5V 0. 158 200 90 112 90 (max (max) – θ . Exceeding the maximum MIC4832 ≤ +85°C A Max Units 7 Ohm 119 0 0.5 µA 75 µA mA 242 Hz 134 kHz % M9999-111507-B ...
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... Micrel Typical Characteristics November 2007 4 MIC4832 M9999-111507-B ...
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... Micrel Functional Diagram Functional Description Overview The MIC4832 is a high-voltage EL driver with an AC output voltage of 220V peak-to-peak capable of 2 driving EL lamps Input supply current for the MIC4832 is typically 45µA reducing to 10nA in shutdown. The high voltage EL driver has two internal oscillators to control the switching MOSFET and the H-bridge driver ...
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... SW the “Typical vs. SW Figure 4. 300Hz Output Waveform Enable Function pin of The MIC4832 is disabled by connecting the external DD resistor (Rsw) to GND. resistor value oscillator of the boost converter. external resistor (Rsw and turns on the device. The enable voltage should rise or fall monotonically without interruption. ...
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... BAV20WS or BAS20W. Output Capacitor Low ESR capacitors should be used at the regulated boost output (CS pin) of the MIC4832 to minimize the switching output ripple voltage. The larger the output capacitance, the lower the output ripple at the November 2007 CS pin ...
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... Micrel Application Circuit Lamp Frequency Size Capacitance 2 (inch ) (nF) 0 Note: Table 1 applies to circuit shown in Figure 5. Table 1: Recommended R November 2007 Figure 5: Typical Li-Ion Powered MIC4832 Circuit 100 200 300 (Hz) R (MΩ 2.82 1.69 1 (kΩ 240 252 273 ) SW 150 143 132 ...
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... Micrel Layout Recommendation November 2007 Top Bottom 9 MIC4832 M9999-111507-B ...
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... Micrel Package Information November 2007 8-Pin MSOP (MM) 8-Pin 3mm x 3mm MLF (ML) 10 MIC4832 M9999-111507-B ...
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... A 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 November 2007 indemnify Micrel for any damages resulting from such use or sale. © 2007 Micrel, Incorporated. 11 MIC4832 M9999-111507-B ...