STOD1812PUR STMicroelectronics, STOD1812PUR Datasheet
STOD1812PUR
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STOD1812PUR Summary of contents
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... PDAs ■ Camcorders ■ Digital still cameras Table 1. Device summary Order code STOD1812PUR March 2008 Power supply for PMOLED display panel DFN10L (3x3 mm) Description STOD1812 is a step-up converter designed to power passive matrix OLED (PMOLED) displays, providing the pre-charge and biasing voltage of the column matrix driver ...
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Contents Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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STOD1812 1 Diagram Figure 1. Internal block diagram Figure 2. Schematic diagram Diagram 3/19 ...
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Pin configuration 2 Pin configuration Figure 3. Pin connections (top view) Table 2. Pin description Pin n° Symbol 1 OUT Output voltage 2 OUT Output voltage 3 GND Ground 4 FB Feedback DC supply voltage enable control pin ...
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STOD1812 3 Maximum ratings Table 3. Absolute maximum ratings Symbol V DC supply voltage I EN Enable pin FB Feedback pin L Switching node X I Switching current LX V Converter output voltage OUT P Power dissipation D T Storage ...
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Electrical characteristics 4 Electrical characteristics Table 6. Electrical characteristics (T = -40 °C to 125 ° =270 kΩ Symbol Parameter Supply section V Supply input voltage I I Load ...
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STOD1812 Table 6. Electrical characteristics (continued -40 °C to 125 ° =270 kΩ Symbol Parameter Supply voltage SVR rejection I Inductor peak current PK Resistance on R ...
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Functional description 5 Functional description 5.1 Boost controller STOD1812 is a boost converter operating in PFM (pulsed frequency modulation) mode. The converter monitors the output voltage through the bridge resistor divider R when the feedback voltage falls below the feedback ...
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STOD1812 6 Typical application information Figure 4. Typical application circuit connections Table 7. External components Symbol L Inductor (I = 2.5 A) SAT C Ceramic capacitor SMD I C Ceramic capacitor SMD O R1 Feedback resistor (for V R2 Feedback ...
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Demonstration board 7 Demonstration board Figure 5. Demonstration board photo Figure 6. Suggested demonstration board schematic (top layer view) Figure 7. Suggested demonstration board schematic (bottom layer view) 10/19 STOD1812 ...
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STOD1812 8 Typical application performance ( 2.2 µ Figure 8. Efficiency vs output current 100 100 3 3 from 5 ...
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Typical application performance Figure 14. TDMA noise INH from 2 3 120 mA, I INH µ °C ...
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STOD1812 9 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the ...
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Package mechanical data Figure 15. DFN10L package outline 14/19 STOD1812 8049731/A ...
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STOD1812 Table 8. DFN10L mechanical data Dim. Min 0.18 D 2.90 D2 2.23 E 2. 0.30 mm. Typ. Max. 0.75 0.80 0.028 0.02 0.05 0.20 0.25 0.30 0.007 3 3.10 ...
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Package mechanical data Tape & reel QFNxx/DFNxx (3x3) mechanical data Dim. Min 12 16/19 mm. Typ. Max. Min. 180 13.2 0.504 0.795 2.362 14.4 3.3 3.3 1.1 4 ...
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STOD1812 Figure 16. DFN10L footprint - recommended data Package mechanical data 17/19 ...
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Revision history 10 Revision history Table 9. Document revision history Date Revision 25-Mar-2008 1 18/19 Initial release. STOD1812 Changes ...
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... STOD1812 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...