GS-R12FV0001.9 STMicroelectronics, GS-R12FV0001.9 Datasheet
GS-R12FV0001.9
Specifications of GS-R12FV0001.9
Related parts for GS-R12FV0001.9
GS-R12FV0001.9 Summary of contents
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... No heatsink required ■ Operating temperature range -25 °C ÷ 85 °C Description The GS-R12F series is a family of high efficiency step down switching voltage regulator, designed to replace linear regulators. Based on ST L5973 device, these non isolated regulators are suitable for various applications, including telecom, industry, computer and distributed power supply system having a wide range input voltage ...
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... Contents Contents 1 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.3 Thermal de-rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.1 Input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.2 Reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.3 Inhibit function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.4 Multiple units synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 ...
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... Input GND Return for input voltage source Return for output voltage source Return for output voltage source V Regulated power output out V Regulated power output out Feedback input, available on adjustable device and on request for FB additional compensation Sync Master/slave synchronization Pin settings Description 3/13 ...
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... DC input voltage i I Maximum output current out V INH 1 V Sync 2.2 Thermal data Table 4. Absolute maximum ratings Symbol T Storage temperature range stg T Operating ambient temperature op 2.3 Thermal de-rating Table 5. Thermal de-rating for free air condition (all versions) Symbol I o 4/13 Parameter ...
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... GS-R12F 3 Electrical characteristics °C, unless otherwise specified A Table 6. Electrical characteristics (all version) Symbol V Ripple voltage r Temperature stability I Output current o I Current limit oL I Quiescent current q Total stand-by quiescent I qst-by current f Switching frequency s Reference voltage V ref Short circuit current INH INH threshold voltage ...
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... For this reason the switching frequency is also reduced to keep the inductor current within its maximum threshold limit. The frequency depends on the feedback voltage. As the feedback voltage decreases (due to the reduced duty cycle), the switching frequency decrease too. 6/ disable the device. i Figure 5). GS-R12F ...
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... An hysteresis of approximately 20 4.7 Output voltage programming (GS-R12F0002.0 only) The GS-R12F0002.0 output voltage is 5.54 V ± reduce this value connect a resistor between pin 11 (FB) and pin 10 (V The resistor must be located very close to the proper pins, to minimize the injected noise (see Figure 3) ...
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... Time within 5 °C of actual peak temperature (t Ramp down rate Time from 25 °C to peak temperature Figure 2. Soldering 8/ SMAX P Preheat MIN) S MAX) S MAX GS-R12F PB free assembly 3 °C / sec max 150 °C 200 °C 60 – 100 sec 217 °C 40 – 70 sec 240 + 0 °C 10 – 20 sec 6 °C / sec 8 minutes max ...
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... GS-R12F 5 Additional features and protections 5.1 Output overvoltage protection The overvoltage protection, OVP, is realized by using an internal comparator, whose input is connected to the feedback. It turns off the power stage when the OVP threshold is reached. This threshold is typically 30 % higher than the feedback voltage. Figure 3. ...
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... Additional features and protections Figure 6. PCB footprint (dimensions in mm) 10/13 GS-R12F ...
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... GS-R12F 6 Ordering scheme Table 8. Ordering information scheme Input voltage Output voltage 018 = 1.8 V 025 = 2.5 V 033 = 3.3 V 050 = 5.0 V ÷ 000 = 1.235 5.5 V Output current 2 Ordering scheme GS- R12 F018 2.0 11/13 ...
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... Revision history 7 Revision history Table 9. Document revision history Date 16-Oct-2006 25-Feb-2008 12/13 Revision 1 Initial release 2 Added: Section 4.9: Soldering on page 8 GS-R12F Changes ...
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... GS-R12F 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. ...