MIC4826BMM Micrel Inc, MIC4826BMM Datasheet
MIC4826BMM
Specifications of MIC4826BMM
Available stocks
Related parts for MIC4826BMM
MIC4826BMM Summary of contents
Page 1
... AC output signal that Applications PP • LCD panel backlight • Cellular phones • PDAs • Pagers • Calculators • Remote controls • Portable phones Ordering Information Standard MIC4826BMM D1 BAV19WS C OUT 0.01µF/100V EL LAMP 2 High Voltage EL Driver 1 MIC4826 Output Voltage, EL Driver PP ...
Page 2
Pin Configuration Pin Description Pin Number Pin Name 1 VDD 2 RSW 3 REL 4 GND MIC4826 VDD 1 RSW 2 REL 3 GND 4 8-Pin MSOP Package (MM) Pin Function Supply (Input): 1.8V to 5.5V ...
Page 3
Absolute Maximum Rating Supply Voltage (V ) .......................................–0.5V to +6V DD Output Voltage (V ) ...................................–0.5V to +100V CS Frequency Control Voltage ( RSW REL Power Dissipation @ T = 85°C .............................. 200mW A Storage Temperature (T ) ...
Page 4
Typical Characteristics Total Input Current vs. Input Voltage 562k 442k 332k 3.32M 15 EL ...
Page 5
EL Frequency vs. Temperature 400 350 R =1M SW 300 250 200 150 100 3.32M -40 - 100 TEMPERATURE (°C) March 2009 ...
Page 6
Functional Diagram RWS REL Functional Description See “Application Information” for component selection and pre-designed circuits. Overview The MIC4826 is a high voltage EL driver with an AC output voltage of ...
Page 7
EL Frequency The EL lamp frequency is controlled via an external resistor connected between REL pin and VDD pin of the device. As the lamp frequency increases, the resistor value decreases. For resistor value selections, see the “Typical Character- istics: ...
Page 8
EL driver is enabled. Application Information Inductor In general, smaller value inductors, which can handle more current, are more suitable to drive larger size lamps. As the inductor value decreases, the switching frequency (controlled by ...
Page 9
V IN 2.5V to 5.5V C2 10µF/6.3V Murata GRM42-6X5R106K6.3 Figure 6. Typical EL Driver for 2in March 2009 L1 220µH Murata LQH4C221K04 MIC4826 1 VDD RSW CS 3.32M 332k 3 REL VB 4 GND VA V ...
Page 10
V IN 3.3V to 5.5V C2 10µF/6.3V Murata GRM42-6X5R106K6.3 Figure 7. Typcial EL Driver for 2in MIC4826 L1 560µH Murata LQ32CN561K21 MIC4826 1 VDD RSW CS 3.32M 332k 3 REL VB 4 GND ...
Page 11
1.8V to 5.5V 0.01µF/50V Murata GRM40-X7R103K50 1.5V 22mA Figure 8. Typical Split Power Supplies Applications March 2009 L1 220µH Murata LQH4C221K04 C2 10µF/6.3V MIC4826 Murata GRM42-6X5R106K6 VDD SW R1 ...
Page 12
... Package Information MICREL INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 tel The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. ...