L6563TR STMicroelectronics, L6563TR Datasheet
L6563TR
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L6563TR Summary of contents
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... Advanced transition-mode PFC controller Applications PFC pre-regulators for: ■ HI-END AC-DC adapter/charger 2 ) ■ Desktop PC, server, WEB server ■ IEC61000-3-2 OR JEIDA-MITI compliant SMPS, in excess of 350W Table 1. Device summary Part number L6563 L6563TR L6563A L6563ATR INV COMP MULT Ideal diode - MULTIPLIER + 2.5V Voltage ...
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Contents Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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L6563 - L6563A 1 Description The device is a current-mode PFC controller operating in Transition Mode (TM). Based on the core of a standard TM PFC controller, it offers improved performance and additional functions. The highly linear multiplier, along with ...
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Description 1.1 Pin connection Figure 3. Pin connection (top view) 1.2 Pin description Table 2. Pin description Pin N° Name Inverting input of the error amplifier. The information on the output voltage of the PFC pre- regulator is fed into ...
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L6563 - L6563A Table 2. Pin description (continued) Pin N° Name Tracking Boost function. This pin provides a buffered VFF voltage. A resistor connected between this pin and GND defines a current that is sunk from pin INV (pin 1). ...
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Absolute maximum ratings 2 Absolute maximum ratings Table 3. Absolute maximum ratings Symbol Pin supply voltage (Icc = 20mA --- Analog inputs & outputs to 10 Max. pin voltage (I --- ...
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L6563 - L6563A 4 Electrical characteristics Table 5. Electrical characteristics ( -25°C < T < +125° 12V and GND; unless otherwise specified) Symbol Parameter Supply voltage Vcc Operating range Vcc Turn-on threshold On Vcc Turn-off ...
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Electrical characteristics Table 5. Electrical characteristics (continued) ( -25°C < T < +125° 12V and GND; unless otherwise specified) Symbol Parameter V Internal clamp level INVCLAMP Gv Voltage gain GB Gain-bandwidth product Source current I ...
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L6563 - L6563A Table 5. Electrical characteristics (continued) ( -25°C < T < +125° 12V and GND; unless otherwise specified) Symbol Parameter Zero current detector V Upper clamp voltage ZCDH V Lower clamp voltage ZCDL ...
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Electrical characteristics Table 5. Electrical characteristics (continued) ( -25°C < T < +125° 12V and GND; unless otherwise specified) Symbol Parameter Run function I Input bias current RUN V Disable threshold DIS V Enable threshold ...
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L6563 - L6563A 5 Typical electrical performance Figure 4. Supply current vs supply voltage Icc Icc (mA) (mA 0.5 0.5 0.1 0.1 0.05 0.05 0.01 0.01 0.005 0.005 ...
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Typical electrical performance Figure 10. Static OVP level (pin 2) (pin 2) COMP COMP 2.5 2.5 (V) (V) 2.4 2.4 2.3 2.3 2.2 2.2 2.1 2 -50 - (°C) ...
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L6563 - L6563A Figure 16. Multiplier characteristics @ (pin 4) (pin (V) (V) upper voltage upper voltage Vcc = 12 V Vcc = 12 V clamp clamp ° ...
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Typical electrical performance Figure 22. TBO current mismatch vs T I(INV)-I(TBO) I(INV)-I(TBO) 100· 100· I(INV) I(INV) -0.8 -0.8 -1.0 -1.0 -1.2 -1.2 -1.4 -1.4 ITBO = 250 µA ITBO = 250 µA -1.6 -1.6 -1.8 -1.8 -2.0 -2.0 ITBO = ...
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L6563 - L6563A Figure 28. PFC_OK thresholds vs T Vpin7 Vpin7 3.0 3.0 (V) (V) 2.0 2.0 Latch-off Latch-off 1.0 1.0 0.5 0.5 0.3 0 0.2 0.2 OFF OFF 0.1 0.1 -50 - ...
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Application information 6 Application information 6.1 Overvoltage protection Normally, the voltage control loop keeps the output voltage V close to its nominal value, set by the ratio of the resistors R1 and R2 of the output divider. Neglecting the ripple ...
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L6563 - L6563A An important advantage of this technique is that the overvoltage level can be set independently of the regulated output voltage: the latter depends on the ratio R2, the former on the individual value of ...
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Application information 6.2 Feedback Failure Protection (FFP) The OVP function above described is able to handle "normal" overvoltage conditions, i.e. those resulting from an abrupt load/line change or occurring at start-up. It cannot handle the overvoltage generated, for instance, when ...
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L6563 - L6563A Figure 35. Voltage feedforward: squarer-divider (1/V characteristic E/A output current (V COMP reference (Vcsx) MULTIPLIER 2 1/V L6563 L6563A VFF this way a change of the line voltage will cause an inversely proportional change ...
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Application information The twice-mains-frequency (2·f peak amplitude that, with good approximation, is given by: Equation 4 where f is the line frequency. The amount ripple, related to the amplitude of its 2·f Equation 5 Figure 36 shows ...
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L6563 - L6563A 6.4 THD optimizer circuit The L6563/A 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 ...
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Application information Figure 38. THD optimization: standard TM PFC controller (left side) and L6563/A (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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L6563 - L6563A 6.5 Tracking Boost function In some applications it may be advantageous to regulate the output voltage of the PFC pre- regulator so that it tracks the RMS input voltage rather than at a fixed value like in ...
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Application information to set the output voltage at the desired values use the following design procedure: 1. Determine the input RMS voltage Vin Equation 6 and choose a value Vin output voltage range below Vox (it will equal Vox if ...
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L6563 - L6563A 5. Check that the maximum current sourced by the TBO pin (pin 6) does not exceed the maximum specified (0.25mA): Equation 10 In the following Mathcad® sheet example, the calculation is shown for the circuit ...
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Application information Step 4 ⋅ R2: 2 ⋅ Step 5 3 ------ - TBOmax R Vo(Vi): = Figure 39. Output voltage vs. input voltage characteristic with TBO ...
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L6563 - L6563A Figure 40. 80W, wide-range-mains PFC pre-regulator with tracking boost function active BRIDGE 1N4007 0.22 µF + FUSE 400V 4A/250V - Vac (88V to 264V) R2 51.1 k Ω Figure 41. Tracking boost and voltage ...
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Application information boost inductor the inrush current coming from the bridge rectifier adds up to the switched current and, furthermore, there is little or no voltage available for demagnetization. To cope with a saturated inductor, the L6563 is provided with ...
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L6563 - L6563A Figure 43. Interface circuits that let DC-DC converter’s controller IC disable the L6563/A at light load 16 ST-BY L5991/A 4 Vref 27 k Ω 100 nF BC557 100 150 k Ω k Ω 150 k Ω BC557 ...
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Application information Figure 44. Interface circuits that let the L6563/A switch on or off a PWM controller If this is not the case not possible to achieve a start-up delay long enough (because this prevents the DC-DC ...
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L6563 - L6563A IC shutdown upon brownout can be easily realized as shown in the left is of general use, the one on the right can be used if the bias levels of the multiplier and the R ·C time ...
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Application examples and ideas 7 Application examples and ideas Figure 47. Demo board (EVAL6563-80W) 80W, Wide-range, Tracking Boost: Electrical schematic R3A 120 kΩ C1 R11A P1 0.47 µF 1 MΩ 1W08G + FUSE 400V 4A/250V R11B 1 MΩ - Vac ...
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L6563 - L6563A Figure 49. EVAL6563-80W: PCB layout, soldering side (Top view) Table 7. EVAL6563-80W: Evaluation results at full load Vin (V ) Pin ( 85.3 115 84.9 135 83.7 180 83.5 230 85.2 265 85.0 Note: Measurements ...
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Application examples and ideas Figure 50. EVAL6563-80W: Vout vs. Vin relationship (tracking boost) Figure 51. Line filter (not tested for EMI compliance) used for EVAL6563-80W evaluation 34/39 L6563 - L6563A ...
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L6563 - L6563A Figure 52. 250W, wide-range-mains PFC pre-regulator with fixed output voltage R1A 820 k R1B C1 B1 820 k 1 µF KBU8M + FUSE 400V 8A/250V Vac - 88V to 264V 10nF Boost Inductor ...
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Application examples and ideas Figure 54. Demagnetization sensing without auxiliary winding V inac Figure 55. Enhanced turn-off for big MOSFET driving L6563A 36/39 C ZCD R ZCD ZCD 9 L6563 L6563A Vcc DRIVER L6563 12 GND L6563 ...
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L6563 - L6563A 8 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 ...
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Revision history 9 Revision history Table 10. Revision history Date 13-Nov-2004 24-Sep-2005 17-Nov-2006 12-Mar-2007 38/39 Revision 1 First issue 2 Changed the maturity from “Preliminary data” to “Datasheet” Added new part number L6563A 3 Updated the Section 4 on page ...
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... L6563 - L6563A 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. ...