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| MIC4834 Datasheet, PDF (8/12 Pages) Micrel Semiconductor – Low Noise Dual 220 VPP EL Driver | |||
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Micrel
Application Circuit
MIC4834
Figure 6. Typical Li-Ion Powered MIC4834 Circuit
Note: Table 2 applies to circuit shown in Figure 6.
Total Panel Area (in2) 0.4 1 2 3 4 5
6
Capacitance (nF)
2 5 10 15 20 25 30
RSW (kâ¦)
fSW (kHz)
357 392 487 562 750 931 1100
128 116 94 82 62 50 42
Table 2. Recommended RSW Values for Total Panel Sizes
Bill of Materials
Item
Part Number
Manufacturer
Description
Qty
C1
C1608X7R1A103K
TDK(1)
0.01µF Ceramic Capacitor, 10V, X7R, Size 0603
1
C2
C1608X5R0J106K
TDK(1)
10 µF Ceramic Capacitor, 6.3V, X5R, Size 0603
1
C3
C2012C0G2E2222J
TDK(1)
0.0022µF Ceramic Capacitor, 250V, C0G, Size 0805
1
L1
VLS4012T-221M
TDK(1)
220µH, 210mA ISAT. (4mmx4mmx1.2mm)
1
D1
BAS20-V-GS18
Vishay(2)
200V/200mA Hi-Voltage Switching Diode
1
R1 or RSW CRCW06033323FKEYE3
Vishay(2)
332kâ¦, 1%, 1/16W, Size 0603
1
U1
MIC4834YML
Micrel(3)
Low Noise Dual 220Vp-p EL Driver with Output Slew Control
1
Notes:
1. TDK: www.tdk.com
2. Vishay: www.vishay.com
3. Micrel, Inc.: www.micrel.com
October 2008
8
M9999-100908-A
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