ST1S03PM STMICROELECTRONICS [STMicroelectronics], ST1S03PM Datasheet
ST1S03PM
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ST1S03PM Summary of contents
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STEP-DOWN SWITCHING REGULATOR IN DFN6 STEP-DOWN CURRENT MODE PWM I (1.5MHz) DC-DC CONVERTER 2% DC OUTPUT VOLTAGE TOLERANCE I INTERNAL SOFT START FOR START-UP I CURRENT LIMITIATION AND POWER ON DELAY OF 50-100µs TYPICAL EFFICIENCY: > 70% OVER ALL I ...
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... Table 4: Thermal Data Symbol R Thermal Resistance Junction-case THJ-C R Thermal Resistance Junction-ambient THJ-A 2/11 DFN6 ST1S03PM Name and Function Voltage of Feedback Sistem Ground Output of the internal Power Swithch Power Supply for the MOSFET Switch Power Supply for the Analog Circuit Not Connected Parameter Parameter (Tape & ...
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Table 5: Electrical Characteristics (V 125°C, unless otherwise specified. Typical values are referred to 25°C) Symbol Parameter FB Feedback Voltage PSRR Feedback PSRR I V Pin Bias Current Bandwidth of Error Amplifier Closed Loop I Quiescent Current ...
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ST1S03 APPLICATION NOTES The ST1S03 is an adjustable current mode PWM step-down DC/DC converter with internal 1.5A power switch, packaged in a 6-lead DFN 3x3. It’s a complete 1.5A switching regulator with its internal compensation eliminating component. The constant frequency, ...
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TYPICAL CHARACTERISTICS (C Figure 4: Load Voltage Feedback vs Temperature Figure 5: Voltage Feedback vs Temperature Figure 6: Line Output Voltage Regulation vs Temperature = 4.7µ 22µ 3.3µH, unless otherwise specified Figure 7: Line ...
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ST1S03 Figure 10: Quiescent Current vs Temperature Figure 11: Quiescent Current vs Input Voltage Figure 12: Minimum Operating Voltage vs Output Voltage 6/11 Figure 13: Efficiency vs Temperature Figure 14: Efficiency vs Output Current Figure 15: Switch VDS vs Temperature ...
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Figure 16: Switch RDS-ON vs Temperature Figure 17: Switch Current Limitation vs Temperature Figure 18: Load Transient Response V =5V, I =100mA to 780mA, C =4.7µ =38µs, T =25° Figure 19: Load Transient ...
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ST1S03 DIM. MIN 0.33 D 2.90 D2 1.92 E 2. 0.20 8/11 DFN6 (3x3) MECHANICAL DATA mm. TYP MAX. 1.00 0.05 0.75 0.20 0.43 ...
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Tape & Reel QFNxx/DFNxx (3x3) MECHANICAL DATA DIM. MIN 12 mm. TYP MAX. 330 13.2 0.504 0.795 101 3.898 14.4 3.3 3.3 1 inch MIN. TYP. ...
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ST1S03 Table 6: Revision History Date Revision 11-Nov-2004 1 08-Feb-2005 2 03-Mar-2005 3 10/11 Description of Changes First Release. Maturity Change. Mistake on Figure changed 125 ==> 150°C on Table 3. J ...
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Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. ...