L6563HTR STMicroelectronics, L6563HTR Datasheet
L6563HTR
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L6563HTR Summary of contents
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Features ■ On-board 700 V start-up source ■ Tracking boost function ■ Fast “bidirectional” input voltage feedforward 2 (1/V correction) ■ Interface for cascaded converter's PWM controller ■ Remote ON/OFF control ■ Accurate adjustable output overvoltage protection ■ Protection against ...
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Contents Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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L6563H List of table Table 1. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of figure List of figure Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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L6563H Figure 49. Interface circuits for actual power-up sequencing (master PFC Figure 50. Brownout protection (master PFC ...
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Description 1 Description The L6563H is a current-mode PFC controller operating in transition mode (TM) which embeds the same features existing in the L6563S with the addition of a high voltage start-up source. These functions make the IC especially suitable ...
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L6563H 2 Maximum ratings 2.1 Absolute maximum ratings Table 1. Absolute maximum ratings Symbol V HVS I HVS Vcc --- --- 11, 12 Analog inputs and outputs I PWM_STOP I ZCD 2.2 Thermal data Table ...
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Pin connection 3 Pin connection Figure 2. Pin connection Table 3. Pin description n° Name Inverting input of the error amplifier. The information on the output voltage of the PFC pre- regulator is fed into the pin through a resistor ...
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L6563H Table 3. Pin description (continued) n° Name PFC pre-regulator output voltage monitoring/disable function. This pin senses the output voltage of the PFC pre-regulator through a resistor divider and is used for protection purposes. If the voltage on the pin ...
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Pin connection Figure 3. Typical system block diagram 10/49 Doc ID 16047 Rev 3 L6563H ...
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L6563H 4 Electrical characteristics T = -25 to 125 ° MΩ between pin VFF and GND; unless otherwise specified FF Electrical characteristics Table 4. Symbol Parameter Supply voltage Vcc Operating range Vcc Turn-on threshold On ...
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Electrical characteristics Electrical characteristics (continued) Table 4. Symbol Parameter ΔVcs Output max. slope ΔV MULT (2) K Gain M Error amplifier V Voltage feedback input threshold INV Line regulation I Input bias current INV V Internal clamp level INVCLAMP Gv ...
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L6563H Electrical characteristics (continued) Table 4. Symbol Parameter V Enable threshold PFC_OK_E V Enable threshold PFC_OK_E Feedback failure detection V FFD threshold (V falling) INV Zero current detector V Upper clamp voltage ZCDH V Lower clamp voltage ZCDL Arming voltage ...
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Electrical characteristics Electrical characteristics (continued) Table 4. Symbol Parameter Voltage feedforward V Linear operation range VFF ΔV Dropout V -V MULTpk VFF ΔV Line drop detection threshold VFF ΔV Line drop detection threshold VFF R Internal discharge resistor DISCH V ...
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L6563H 5 Typical electrical performance Figure 4. IC consumption vs V 100 10 1 Co=1nF f =70kHz Tj = 25°C 0.1 0.01 0. 001 Vcc [V ] Figure 6. Vcc Zener voltage vs T ...
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Typical electrical performance Figure 8. Feedback reference vs T 2. 2. -50 - (C) Figure 10. UVLO saturation vs T 1 0.9 0.8 0.7 0.6 0.5 0.4 ...
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L6563H Figure 12. Inductor saturation threshold vs T 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 -50 - (C) Figure 14. ZCD sink/source capability vs T ...
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Typical electrical performance Figure 16. TBO clamp vs T 3.5 3.25 3 2.75 2.5 -50 - (C) Figure 18 current mismatch vs T INV TBO ...
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L6563H Figure 20. R discharge vs T -50 - (C) Figure 22 dropout vs T MULTpk VFF ...
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Typical electrical performance Figure 24. PFC_OK FFD threshold vs T 2 1.9 1.8 1.7 1.6 1.5 1.4 -50 - (C) Figure 26. RUN threshold vs T 0 ...
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L6563H Figure 28. Multiplier characteristics @ 0.2 ...
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Typical electrical performance Figure 32. Gate drive output saturation vs T -50 - (C) Figure 34. Start-up timer period vs T 450 400 350 300 250 ...
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L6563H Figure 36. V restart voltage -50 - (C) Figure 37. HV breakdown voltage 800 750 ICC 700 ...
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Application information 6 Application information 6.1 Overvoltage protection Normally, the voltage control loop keeps the output voltage Vo of the PFC pre-regulator close to its nominal value, set by the ratio of the resistors R1 and R2 of the output ...
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L6563H 6.2 Feedback failure protection (FFP) The OVP function above described handles “normal” over voltage conditions, i.e. those resulting from an abrupt load/line change or occurring at start-up. In case the overvoltage is generated by a feedback disconnection, for instance ...
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Application information Figure 39. Voltage feedforward: squarer-divider (1/V In this way a change of the line voltage causes an inversely proportional change of the half sine amplitude at the output of the multiplier (if the line voltage doubles the amplitude ...
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L6563H The twice-mains-frequency (2 peak amplitude that, with good approximation, is given by: where f is the line frequency. The amount of 3rd harmonic distortion introduced by this L ripple, related to the amplitude of its 2 Figure 40 shows ...
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Application information 6.4 THD optimizer circuit The L6563H is provided with a special circuit that reduces the conduction dead-angle occurring to the AC input current near the zero-crossings of the line voltage (crossover distortion). In this way the THD (total ...
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L6563H Figure 42. THD optimization: standard TM PFC controller (left side) and L6563H (right side) Rectified mains voltage Imains Input current Essentially, the circuit artificially increases the ON-time of the power switch with a positive offset added to the ...
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Application information V(TBO)/RT, that is internally 1:1 mirrored and sunk from pin INV (#1) input of the L6563H's error amplifier. In this way, when the mains voltage increases the voltage at TBO pin increases as well and so does the ...
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L6563H Figure 43. Tracking boost block Figure 44. Tracking output voltage vs Input voltage characteristic with TBO 6.6 Inductor saturation detection Boost inductor's hard saturation may be a fatal event for a PFC pre-regulator: the current up- slope becomes so ...
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Application information occasionally slightly saturate when the PFC stage is restarted because of a larger load demand. This happens when the restart occurs at an unfavorable line voltage phase, i.e. when the output voltage is significantly below the rectified peak ...
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L6563H Figure 46. Interface circuits that let dc-dc converter's controller IC drive L6563H in burst mode The third communication line is the pin PWM_STOP (#11), which works in conjunction with the pin RUN (#12). The purpose of the PWM_STOP pin ...
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Application information Figure 48. Interface circuits for power up sequencing when dc-dc has the SS function If this is not the case not possible to achieve a start-up delay long enough (because this prevents the dc-dc stage ...
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L6563H In table possible to find a summary of all of the above mentioned working conditions that cause the device to stop operating. Figure 50. Brownout protection (master PFC) 6.8 High-voltage start-up generator Figure 51 shows ...
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Application information Figure 52. Timing diagram: normal power-up and power-down sequences As the Vcc voltage reaches the start-up threshold (12 V typ.) the low-voltage chip starts operating and the HV generator is cut off by the Vcc_OK signal asserted high. ...
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L6563H consumption and drops more until the Vccrestart threshold is tripped. Now, the high voltage start-up generator restarts and when the Vcc crosses again its turn on threshold the IC starts switching. In this manner the power is transferred from ...
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Application information Table 5. Summary of L6563H idle states Caused or revealed Condition bey UVLO Vcc < Vcc Off PFC_OK > V PFC_OK_S Feedback AND disconnected INV < 1.66V PFC_OK < V Standby PFC_OK_D AC brownout RUN < V DIS ...
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L6563H 7 Application examples and ideas Figure 55. Demonstration board EVL6563H-100W, wide-range mains: electrical schematic Application examples and ideas Doc ID 16047 Rev 3 39/49 ...
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Application examples and ideas Figure 56. L6563H 100 W TM PFC evaluation board: compliance to EN61000-3-2 standard alue 0.01 0.001 0 .0 001 ...
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L6563H Figure 60. EVL90WADP-LLCSR 90W adapter with SRK2000 demonstration board: electrical schematic Application examples and ideas Doc ID 16047 Rev 3 41/49 ...
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Application examples and ideas Figure 61. EV150WAIO-LLCSR 150W-12V Adapter with L6563H, L6599A, SRK2000: electrical schematic 42/49 Doc ID 16047 Rev 3 L6563H ...
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L6563H Figure 62. EVL6563H -250W TM PFC demonstration board: electrical schematic Application examples and ideas Doc ID 16047 Rev 3 43/49 ...
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Application examples and ideas Figure 63. EVL6599A-90WADP 90W Adapter demonstration board: electrical schematic 44/49 Doc ID 16047 Rev 3 L6563H ...
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L6563H 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 at: www.st.com. ...
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Package mechanical data Figure 64. SO16 mechanical data 46/49 Doc ID 16047 Rev 3 L6563H ...
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... L6563H 9 Ordering codes Table 7. Ordering information Order codes L6563H L6563HTR Package SO16 Doc ID 16047 Rev 3 Ordering codes Packing Tube Tape and reel 47/49 ...
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Revision history 10 Revision history Table 8. Document revision history Date 22-Jul-2009 01-Feb-2010 21-Dec-2010 48/49 Revision 1 Initial release. 2 Updated Table 4 on page 11 Updated Figure 1 on page 3 page 8, Table 4 on page page 25 ...
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... L6563H 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. ...