STOD03ATPUR STMicroelectronics, STOD03ATPUR Datasheet
STOD03ATPUR
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STOD03ATPUR Summary of contents
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... Cellular phones ■ Camcorders and digital still cameras ■ Multimedia players Table 1. Device summary Order code Positive voltage STOD03ATPUR 4.6 V September 2010 Dual DC-DC converter for powering AMOLED displays from WIRE Description The STOD03A is a dual DC-DC converter for AMOLED display panels. It integrates a step-up ...
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Contents Contents 1 Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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STOD03A 1 Schematic Figure 1. Application schematic V V BAT BAT S-Wire S-Wire REF REF Table 2. Typical external components Component Manufacturer L ABCO 1 ABCO ( TDK C Murata ...
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Schematic Figure 2. Block schematic V V INP INP V V UVLO UVLO INA INA LOGIC CONTROL LOGIC CONTROL EN EN OTP OTP S-WIRE S-WIRE S S WIRE WIRE V V VREF VREF REF REF AGND AGND PGND PGND 4/24 ...
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STOD03A 2 Pin configuration Figure 3. Pin configuration (top view) Table 3. Pin description Pin name Pin number PGND MID NC 4 AGND REF S 7 WIRE ...
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Maximum ratings 3 Maximum ratings Table 4. Absolute maximum ratings Symbol supply voltage INA INP EN, S Logic input pins WIRE IL Inverting converter switching current X2 L Inverting converter switching node voltage X2 V Inverting ...
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STOD03A 4 Electrical characteristics ° INA L1 = 4.7 µ 4.7 µH, V specified. Table 6. Electrical characteristics Symbol Parameter General Section V V Supply input voltage INA, INP UVLO_H Undervoltage ...
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Electrical characteristics Table 6. Electrical characteristics (continued) Symbol Parameter Δ V Load transient regulation MIDT TDMA noise line transient V MID-PP regulation I Max step-up load current MID MAX I-L Step-up inductor peak current 1MAX R P1 DSON R N1 ...
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STOD03A Table 6. Electrical characteristics (continued) Symbol Parameter Thermal shutdown OTP Overtemperature protection Overtemperature protection OTP HYST hysteresis Discharge resistor R Resistor value DIS T Discharge time DIS Test conditions Min. No load MID ...
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Typical performance characteristics 5 Typical performance characteristics 4 Figure 4. Efficiency vs. input voltage 90% 88% 86% 84% 82% 80% 78% 76% 74% 72% 70% 68% 66% 2.5 2.7 2.9 3.1 3.3 3.5 ...
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STOD03A Figure 10. Step-up CCM operation 3 100 mA INA INP MID Figure 12. Line transient MID 2.9 to 3.4 ...
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Detailed description 6 Detailed description 6.1 S protocol WIRE Figure 14. S timing waveform WIRE EN S WIRE V O2 default | Toff_dly1 Ten_dly Tvo_off_dly1 Tss1 (1) Table 7. S timing WIRE Rating Enable high delay time Soft-start ...
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STOD03A Figure 15. S level waveform WIRE Table 8. S levels WIRE Rating Rising input high threshold voltage level Falling input high threshold voltage level Pull-down resistor Wake ...
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Detailed description 6.2 Negative output voltage levels Table 9. Negative output voltage levels Pulse -5.4 2 -5.3 3 -5.2 4 -5.1 5 -5.0 (1) 6 -4.9 7 -4.8 8 -4.7 9 -4.6 10 -4.5 1. Default output ...
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STOD03A 7 Application information 7.1 External passive components 7.1.1 Inductor selection The inductor is the key passive component for switching converters. For the step-up converter an inductance between 4.7 µH and 6.8 µH is recommended. For the inverting stage the ...
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Application information 7.2 Recommended PCB layout The STOD03A is a high frequency power switching device so it requires a proper PCB layout in order to obtain the necessary stability and optimize line/load regulation and output voltage ripple. Analog input (V ...
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STOD03A 8 Detailed description 8.1 General description The STOD03A is a high efficiency dual DC-DC converter which integrates a step-up and inverting power stage suitable for supplying AMOLED panels. Thanks to the high level of integration it needs only 6 ...
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Detailed description 8.1.2 Enable pin The device operates when the EN pin is set high. If the EN pin is set low, the device stops switching, and all the internal blocks are turned off. In this condition the current drawn ...
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STOD03A 9 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions, and product status are available at: ECOPACK ...
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Package mechanical data Dim. Min 0.18 D 2.85 D2 1.87 E 2. 0.30 20/24 DFN12L ( 0.6 mm) mechanical data mm. Typ. Max. 0.55 0.60 0.02 0.05 ...
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STOD03A Tape & reel QFNxx/DFNxx (3x3) mechanical data DIM. MIN 12 mm. TYP MAX. MIN. 330 13.2 0.504 0.795 101 3.898 14.4 3.3 3.3 1 Doc ...
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Package mechanical data Figure 19. DFN12L ( mm) footprint recommended data 22/24 Doc ID 17785 Rev 1 STOD03A ...
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STOD03A 10 Revision history Table 11. Document revision history Date Revision 08-Sep-2010 1 Initial release. Doc ID 17785 Rev 1 Revision history Changes 23/24 ...
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