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 (1/V2 correction) ■ Interface for cascaded converter's PWM controller ■ Remote ON/OFF control ■ Accurate adjustable output overvoltage protection ■ Protection against feedback ...
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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 10/48 Doc ID 16047 Rev 2 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 PFC_OK Feedback failure detection V FFD threshold (V PFC_OK Zero current detector V Upper clamp voltage ZCDH ...
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Electrical characteristics Electrical characteristics (continued) Table 4. Symbol Parameter t Timer period START 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 ...
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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 -50 - (C) Figure 26. RUN threshold vs T 0 VCC ...
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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/V2) block diagram and transfer characteristic 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 ...
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L6563H 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 a diagram that helps choose the time constant R amount of maximum ...
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Application information Figure 41. THD optimizer circuit Figure 42. THD optimization: standard TM PFC controller (left side) and L6563H (right side) Rectified mains voltage Imains Input current 28/48 Input current Imains Input current Vdrain MOSFET's drain voltage Doc ID ...
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L6563H Essentially, the circuit artificially increases the ON-time of the power switch with a positive offset added to the output of the multiplier in the proximity of the line voltage zero-crossings. This offset is reduced as the instantaneous line voltage ...
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Application information 1. Determine the input RMS voltage Vinclamp that produces Vo = Vox: and choose a value Vin the output voltage range below Vox (it is equal Vox if one chooses Vin 2. Determine the divider ratio of the ...
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L6563H 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 large (50-100 times steeper, see ...
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Application information 6.7 Power management/housekeeping functions A special feature of this IC is that it facilitates the implementation of the “housekeeping” circuitry needed to co-ordinate the operation of the PFC stage to that of the cascaded DC- DC converter. The ...
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L6563H Figure 47. Interface circuits that let the L6563H switch on or off a PWM controller If the chip is provided with a soft-start pin possible to delay the start-up of the dc-dc stage with respect to that ...
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Application information Figure 49. Interface circuits for actual power-up sequencing (master PFC) Another possible use of the RUN and PWM_STOP pins (again, in systems where the PFC stage is the master) is the brownout protection, thanks to the hysteresis provided. ...
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L6563H 6.8 High-voltage start-up generator Figure 51 shows the internal schematic of the high-voltage start-up generator (HV generator made high-voltage N-channel FET, whose gate is biased MΩ resistor, with a temperature-compensated current ...
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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 < PFC_OK - 40mV PFC_OK < V Standby PFC_OK_D AC brownout RUN < ...
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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 2 39/48 ...
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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. Application board 90W-19V adapter with L6563H, L6599A, SRK2000 Application examples and ideas Doc ID 16047 Rev 2 41/48 ...
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Application examples and ideas Figure 61. Application board 130 W-12 V adapter with L6563H, L6599A, SRK2000 42/48 Doc ID 16047 Rev 2 L6563H ...
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L6563H Figure 62. Demonstration board EVL6563H-650W wide-range mains: electrical schematics Application examples and ideas Doc ID 16047 Rev 2 43/48 ...
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Package mechanical data 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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L6563H Figure 63. SO16 mechanical data Doc ID 16047 Rev 2 Package mechanical data 45/48 ...
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... Ordering codes 9 Ordering codes Table 7. Ordering information Order codes L6563H L6563HTR 46/48 Package SO16 Doc ID 16047 Rev 2 L6563H Packing Tube Tape and reel ...
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L6563H 10 Revision history Table 8. Document revision history Date 22-Jul-2009 01-Feb-2010 Revision 1 Initial release. 2 Updated Table 4 on page 11 Doc ID 16047 Rev 2 Revision history Changes 47/48 ...
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