SPDC12L00010 STMicroelectronics, SPDC12L00010 Datasheet
SPDC12L00010
Specifications of SPDC12L00010
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SPDC12L00010 Summary of contents
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... RAID systems ■ Network routers ■ Cellular base stations ■ Industrial equipment ■ Test instrumentation ■ Medical diagnostic equipment ■ Distributed point of load Input voltage Output ripple [V] [mVpp] 1.8 ÷ Doc ID 15103 Rev 3 SPDC12L00010 Peak efficiency Notes [%] Progr. output 93 voltage 1/29 www.st.com 29 ...
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... Current sink-mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.9 Undervoltage lock out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 5.10 Program setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 5.11 Voltage sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 5.12 Output voltage programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5.13 Additional loop compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5.14 Output over voltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 5.15 Current limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 5.16 Thermal shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 5.17 Signal ground and power ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2/29 Doc ID 15103 Rev 3 SPDC12L00010 ...
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... SPDC12L00010 5.18 Input capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 5.19 Output capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 5.20 Phase connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 6.1 Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 6.2 PCB footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Doc ID 15103 Rev 3 Contents 3/29 ...
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... SPDC12L00010 operates over a wide input voltage range of 1 supporting an output range of 0 High level of integration and synchronous rectification allows the SPDC12L00010 to deliver continuous current 93% efficiency, without external heat sink or airflow. The device is a complete stand alone surface mount power supply, that can be handled and assembled like a standard integrated circuit ...
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... SPDC12L00010 2 Pin settings 2.1 Pin connection and mechanical data (dimensions in mm) Figure 1. Pin connection 2.2 Pin description Table 2. Pin description Name Function J11 VAUX K11 OS L2 VSENSE L3 VCC Auxiliary voltage. Internally regulated 5 V voltage used to supply the internal drivers and the voltage reference ...
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... Section 5.18 on page 23 for mandatory condition. Return for input/output voltage source. Regulated power output. See Section 5.19 on page 23 for mandatory condition. Phase This pins area is foreseen for module power losses dissipation; see Section 5.20 on page 24 for details. Doc ID 15103 Rev 3 SPDC12L00010 Description ...
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... SPDC12L00010 3 Maximum ratings 3.1 Absolute maximum ratings Table 3. Absolute maximum ratings Symbol SGND and PGND K11 V VSENSE to SGND and PGND L2 V VCC to SGND and PGND SGND and PGND L4 V PGDLY to SGND and PGND L5 V SYNC to SGND and PGND L6 V PRG to SGND and PGND ...
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... T1 is 120 °C. Figure 2. Measurement points for thermal de-rating (top side) All data reported in the following tables are valid for free air condition and module placed layers, 1.6 mm FR4 printed circuit board. 8/29 AM00543v1 Doc ID 15103 Rev 3 SPDC12L00010 ); Figure 2 ...
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... SPDC12L00010 Table 5. Thermal de-rating for Vout = 5.0 V Symbol Parameter Test condition Output current Output current Output current Output current Output current Doc ID 15103 Rev 3 Maximum ratings Value = 75 °C 10 °C 9 °C 9 °C 10 °C 9 °C 9 °C 8 °C 10 °C 9 °C 9 °C 8 °C 8 °C 7 ° ...
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... Output current Output current Output current Output current Output current Doc ID 15103 Rev 3 SPDC12L00010 Value = 75 °C 10 °C 9 °C 8 °C 10 °C 9 °C 9 °C 8 °C 10 °C 9 °C 9 °C 8 °C 7 °C 10 °C 9 °C 9 °C 8 °C 7 °C 7 °C 10 °C 9 °C 9 °C 8 °C 7 °C 6.5 A Unit ...
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... SPDC12L00010 Table 7. Thermal de-rating for Vout = 2.5 V Symbol Parameter Test condition Output current Output current Output current Output current Output current Doc ID 15103 Rev 3 Maximum ratings Value = 75 °C 10 °C 9 °C 9 °C 10 °C 9 °C 9 °C 8 °C 10 °C 9 °C 9 °C 8 °C 10 °C 9 ° ...
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... Parameter Test condition Output current Output current Output current Output current Output current Doc ID 15103 Rev 3 SPDC12L00010 Value = 75 °C 10 °C 9 °C 8 °C 10 °C 9 °C 9 °C 8 °C 10 °C 9 °C 9 °C 8 °C 10 °C 9 °C 9 °C 8 °C 8 °C 10 °C 9 °C 9 °C 8 °C 7.5 A Unit ...
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... SPDC12L00010 Table 9. Thermal de-rating for Vout = 1.2 V Symbol Parameter Test condition Output current Output current Output current Output current Output current Doc ID 15103 Rev 3 Maximum ratings Value = 75 °C 10 °C 9 °C 9 °C 10 °C 9 °C 9 °C 10 °C 9 °C 8 °C 10 °C 9 °C 9 °C 8 ° ...
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... Thermal de-rating for Vout = 0.7 V Symbol 14/29 Parameter Test condition Output current Output current Output current Output current Output current Doc ID 15103 Rev 3 SPDC12L00010 Value = 75 °C 10 °C 9 °C 9 °C 10 °C 9 °C 9 °C 10 °C 9 °C 8 °C 10 °C 9 °C 9 °C 8 °C 10 °C 9 °C 8 °C 8.0 A Unit ...
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... SPDC12L00010 4 Electrical characteristics Table 11. Electrical characteristics Symbol Parameter V Ripple voltage r I Output current o I Current limit ol I Total quiescent current q I Total stand-by quiescent current qst- quiescent current CCq stand-by quiescent current CCqst- Switching frequency s Feedback voltage V FB (Reference voltage) V Auxiliary voltage ...
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... Figure 4. Efficiency versus load current with V 100 Eff.[%] 0.0 16/ 0.7Vout 1.2Vout 2.5Vout 3.3Vout 2.0 4.0 6 0.7Vout 1.2Vout 2.5Vout 3.3Vout 2.0 4.0 6.0 Doc ID 15103 Rev 3 SPDC12L00010 = 6 V for 5 Vout) IN 1.8Vout 5.0Vout Iout[A] 8.0 10.0 12.0 1.8Vout 5.0Vout Iout[A] 8.0 10.0 12.0 ...
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... SPDC12L00010 5 Application information 5.1 Input voltage There are two voltage supply pins: VCC (pin L3), for controller voltage supply; VIN (bank 1), for power circuit voltage supply. VCC and VIN can be connected and supplied together; if VIN is lower than 4.5 V, VCC must be supplied separately. ...
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... Using and external clock signal, to synchronize one or more devices working at a different switching frequency recommended to follow the below formula: The phase shift between master and slaves is approximately 180°. 18/29 SS ≤ ≤ 1.3f sw ext sw Doc ID 15103 Rev 3 SPDC12L00010 with SS value. ...
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... SPDC12L00010 5.6 Power Good signal and Power Good delay The output voltage is monitored by FB (pin L9 not within ± 10% (typ.) of the programmed value, the PG (pin L4) output is forced low. The PG signal can be delayed by adding an external capacitor on PGDLY (pin L5), the delay can be calculated with the following formula: 5 ...
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... PRG (pin L7) to VAUX (pin J11), it Section 5.10 UVLO. OVP Not latched Not latched 5 V range Latched Latched Not latched Not latched 12 V range Latched Latched Figure Doc ID 15103 Rev 3 SPDC12L00010 Sink-mode Not Yes Not Yes Not Yes Not Yes 6). ...
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... SPDC12L00010 Figure 6. Voltage sensing 5.12 Output voltage programming Adding a resistor Rx between FB (pin L9) and SGND (L8) or between FB and VSENSE (pin L2 possible to change the output voltage. Connecting the resistor to SGND the output voltage increase (see Connecting the resistor to VSENSE the output voltage decrease (see ...
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... MOSFETs are turned OFF; the soft-start capacitor is discharged with a 10 μA constant current; when the voltage on SS_INL (pin L11) reaches 0.5 V the soft-start phase restart. During the soft-start phase the OCP provides a constant current protection. 22/29 Doc ID 15103 Rev 3 SPDC12L00010 ...
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... SPDC12L00010 5.16 Thermal shutdown When the controller junction temperature reaches 150 ± 10 °C, the device shutdown. Both MOSFET are turned OFF and the soft-start capacitor is discharged. The device does not restart until the junction temperature goes down to 120 °C and until the voltage on the soft-start capacitor reaches 0 ...
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... Connect PH (bank 4 insulated copper area on the mother board, to ensure proper heat sink. Since the PH signal contains very fast voltage transients recommended to take in account possible inducted noise on mother board, i.e advised against to lead under the module printed circuit board tracks with susceptible signals. 24/29 Doc ID 15103 Rev 3 SPDC12L00010 ...
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... SPDC12L00010 6 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: www.st.com. ® ECOPACK trademark. Figure 10. Package mechanical data Doc ID 15103 Rev 3 ...
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... Ramp down rate Time from 25 °C to peak temperature Figure 11. Soldering 26/ SMAX Preheat min) S max Doc ID 15103 Rev 3 SPDC12L00010 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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... SPDC12L00010 6.2 PCB footprint Use Figure 12 as suggested PCB footprint. Figure 12. PCB footprint top side - through view for SPDC12L00010 (mm) Doc ID 15103 Rev 3 Package mechanical data 27/29 ...
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... Revision history 7 Revision history Table 14. Document revision history Date 25-Nov-2008 19-Jan-2009 02-Sep-2009 28/29 Revision 1 First release 2 Updated coverpage, 3 Updated coverpage, Doc ID 15103 Rev 3 SPDC12L00010 Changes Chapter 3.3 on page 8 Chapter 1 on page 4 and Figure 12 ...
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... SPDC12L00010 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. ...