ST1S12XX18 STMICROELECTRONICS [STMicroelectronics], ST1S12XX18 Datasheet
ST1S12XX18
Related parts for ST1S12XX18
ST1S12XX18 Summary of contents
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... Table 1. Device summary Part numbers ST1S12XX ST1S12XX12 ST1S12XX18 1. Available on request. February 2008 TSOT23-5L required. Moreover, a low output ripple is guaranteed by the current mode PWM topology and by the use of low ESR SMD ceramic capacitors ...
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Contents 1 Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Schematic Figure 1. Schematic diagram V Σ SUM V C SOFT START REF1 V IN UVLO V RST Comp MOSFET V DRV_P CONTROL LOGIC V SET OSC SHUT DOWN I_SEN R sense - Driver ...
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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 Input supply ...
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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 Max ...
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Electrical characteristics Table 6. Electrical characteristics for ST1S12G 3 specified. Typical values are referred to 25 °C) Symbol Parameter FB Feedback voltage I V pin bias current Minimum input ...
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Table 7. Electrical characteristics for ST1S12G12 specified. Typical values are referred to 25 °C) Symbol Parameter OUT Output feedback pin I V pin bias current Minimum input voltage ...
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Table 8. Electrical characteristics for ST1S12G18 3 specified. Typical values are referred to 25 °C) Symbol Parameter OUT Output feedback pin I V pin bias current Minimum input voltage IN ...
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Typical application Figure 3. Application circuit 9/20 ...
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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 need for ...
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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 =3.6V, I =10mA, ...
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Figure 10. Efficiency vs temperature 100 100 =3V, V =3V, V =1.2V =1. OUT ...
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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 0 0 -75 ...
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Figure 22. Line transient from 4 5 350 mA OUT 10µ 1.8 V OUT Figure 24. Start-up transient from ...
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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 inner ...
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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 mils. Min. Typ. Max. ...
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Tape & reel TSOT23-5L mechanical data mm. Dim. Min. Typ 12.8 13 3.13 3.23 Bo 3.07 3.17 Ko 1.27 1.37 Po 3.9 4.0 P 3.9 4.0 inch. Max. Min. Typ. 180 13.2 ...
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Figure 26. TSOT23-5L footprint recommended data Table 9. Footprint data 18/20 Values mm. 3.50 1.10 0.60 0.95 1.20 2.30 inch. 0.138 0.043 0.024 0.037 0.047 0.090 ...
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Revision history Table 10. Document revision history Date Revision 10-Jan-2008 1 01-Feb-2008 2 Changes Initial release. Modified: Figure 3 on page 9. 19/20 ...
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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 ...