ST1S12G12R STMicroelectronics, ST1S12G12R Datasheet
ST1S12G12R
Specifications of ST1S12G12R
ST1S12G12R
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ST1S12G12R Summary of contents
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... PWM topology and by the use of low ESR SMD ceramic capacitors. The device is thermally protected and the current is limited to prevent damage due to accidental short-circuit. The ST1S12Gxx is available in the TSOT23-5L package. Order codes ST1S12GR ST1S12G12R ST1S12G18R Doc ID 14314 Rev 3 ST1S12XX TSOT23-5L Package TSOT23-5L TSOT23-5L ...
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Contents Contents 1 Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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ST1S12XX, ST1S12XX12, ST1S12XX18 1 Schematic Figure 1. Schematic diagram V Σ SOFT START REF1 V IN UVLO SUM V RST Comp MOSFET CONTROL LOGIC V SET OSC SHUT DOWN EN FB/V O Doc ID 14314 Rev 3 + ...
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Pin configuration 2 Pin configuration Figure 2. Pin connections (top view) Table 2. Pin description Pin n° Symbol GND FB/V O 4/20 Name and function Enable pin System ground Switching pin ...
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ST1S12XX, ST1S12XX12, ST1S12XX18 3 Maximum ratings Table 3. Absolute maximum ratings Symbol V Positive power supply voltage IN V Enable voltage EN SWITCH Voltage Max. voltage of output pin V /V Feedback voltage Output voltage (for V ...
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Electrical characteristics 4 Electrical characteristics 3 otherwise specified. Typical values are referred to 25 °C). Table 6. Electrical characteristics for ST1S12G Symbol Parameter FB Feedback voltage I V pin bias current FB ...
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ST1S12XX, ST1S12XX12, ST1S12XX18 specified. Typical values are referred to 25 °C). Table 7. Electrical characteristics for ST1S12G12 Symbol Parameter OUT Output feedback pin I V pin bias current Minimum ...
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Electrical characteristics 3 specified. Typical values are referred to 25 °C). Table 8. Electrical characteristics for ST1S12G18 Symbol Parameter OUT Output feedback pin I V pin bias current Minimum input ...
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ST1S12XX, ST1S12XX12, ST1S12XX18 5 Typical application Figure 3. Application circuit Doc ID 14314 Rev 3 Typical application 9/20 ...
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Application notes 6 Application notes The ST1S12Gxx is an adjustable current mode PWM step-down DC-DC converter with internal 0.7 A power switch, packaged in TSOT23-5L. This device is a complete 0.7 A switching regulator, with its internal compensation eliminating the ...
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ST1S12XX, ST1S12XX12, ST1S12XX18 7 Typical performance characteristics Unless otherwise specified, refer to the typical application circuit under the following conditions 4.7 µ Figure 4. Voltage feedback vs. temperature 650 650 =3.6V, I ...
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Typical performance characteristics Figure 10. Efficiency vs. temperature 100 100 =3V, V =3V, V =1.2V =1. ...
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ST1S12XX, ST1S12XX12, ST1S12XX18 Figure 16. Reference load regulation vs. temperature 0.005 0.005 V V =3.6V, I =3.6V, I from 10mA to 0.7A, V from 10mA to 0.7A OUT OUT 0.004 0.004 0.003 0.003 0.002 0.002 0.001 0.001 ...
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Typical performance characteristics Figure 22. Line transient from 4 5 350 mA OUT 10µ 1.8 V OUT Figure 24. Start-up transient from 0 V ...
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ST1S12XX, ST1S12XX12, ST1S12XX18 8 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 ...
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Package mechanical data Dim. Min 0.7 b 0 0.3 16/20 TSOT23-5L mechanical data mm. Typ. Max. 1.1 0.1 1.0 0.5 0.2 2.9 2.8 1.6 0.95 1.9 0.6 Doc ...
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ST1S12XX, ST1S12XX12, ST1S12XX18 Tape & reel TSOT23-5L mechanical data Dim. Min 12 3.13 Bo 3.07 Ko 1.27 Po 3.9 P 3.9 mm. Typ. Max. Min. 180 13.0 13.2 0.504 0.795 2.362 14.4 ...
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Package mechanical data Figure 26. TSOT23-5L footprint recommended data Table 9. Footprint data 18/20 ST1S12XX, ST1S12XX12, ST1S12XX18 Values mm. 3.50 1.10 0.60 0.95 1.20 2.30 Doc ID 14314 Rev 3 inch. 0.138 0.043 0.024 ...
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ST1S12XX, ST1S12XX12, ST1S12XX18 9 Revision history Table 10. Document revision history Date Revision 10-Jan-2008 1 01-Feb-2008 2 23-Feb-2010 3 Initial release. Modified: Figure 3 on page 9. Modified: V valueTable 3 on page IN Doc ID 14314 Rev 3 Revision ...
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... 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. ...