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| ICs for TV AN5448 TILT correction IC s Overview The AN5448 is a rotation (TILT) correction IC in which the control circuit and the drive circuit are integrated on a single chip. 6.00.3 2.40.25 3.30.25 Unit: mm 8 0.50.1 s Features * TILT output range: 1.7 V to 7.4 V * Maximum output current: 200 mA * Frequency characteristics: 200 kHz 23.30.3 7 6 5 4 1.50.25 1.40.3 3.00.3 s Applications * CRT monitor 2 1 0.3 +0.1 -0.05 SIP009-P-0000C s Block Diagram VCC2 2 + 4 In - 7 8 VCC1 1 5 Bias GND2 9 3 GND1 N.C. 6 N.C. 30 3 1.50.25 2.54 9 1 AN5448 s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 Description Supply voltage 12 V (VCC1) Output block supply voltage 12 V (VCC2) N.C. TILT control input Output block GND (GND2) N.C. TILT positive output TILT negative output GND (GND1) ICs for TV s Absolute Maximum Ratings Parameter Supply voltage VCC Symbol VCC1 VCC2 Supply current *2 *1 Rating 13.5 13.5 30 200 524 -20 to +75 -55 to +150 Unit V ICC ICC1 ICC2 mA Power dissipation PD Topr Tstg *1 mW C C Operating ambient temperature Storage temperature Note) Be sure to comply with "s Usage Notes" for the sequence of turning on power supply. *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta = 25C. *2: The power dissipation shown is for the IC package at Ta = 75C. Refer to "s Technical Information" for details. s Recommended Operating Range Parameter Supply voltage Symbol VCC1 VCC2 TILT control input TILT positive output TILT negative output Peak current V4-9 I7 I8 I7 I8 Range 10.8 to 13.2 7.4 to 13.2 0 to 6 -200 to +200 -200 to +200 - 0.3 to +0.3 - 0.3 to +0.3 V mA mA A Unit V Note) For the conditions in evaluating the peak current, refer to "s Electrical Characteristics * Explanations of testing method". 2 ICs for TV s Electrical Characteristics at Ta = 25C Parameter Circuit current (pin 1) Circuit current (pin 2) Circuit voltage (pin 7) Circuit voltage (pin 8) Output voltage difference (1) Output voltage difference (2) Output voltage difference (3) * Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. AN5448 Symbol ICC1 ICC2 V7-5 V8-5 V7-8 (1) V7-8 (2) V7-8 (3) Conditions VCC1 = 12 V, VCC2 = 12 V VCC1 = 12 V, VCC2 = 12 V VCC1 = 12 V, VCC2 = 12 V VCC1 = 12 V, VCC2 = 12 V V7 -V8 at V4 = 2.5 V V7 -V8 at V4 = 5 V V7 -V8 at V4 = 0 V Min 0.6 4.1 4.1 - 0.45 5.3 -6.1 Typ 1.8 0 4.5 4.5 0 5.7 -5.7 Max 4.0 1 4.9 4.9 +0.45 6.1 -5.3 Unit mA mA V V V V V Parameter TILT output fluctuation with supply voltage (high) TILT output fluctuation with supply voltage (low) TILT output fluctuation with temperature Symbol V7-8 VCCH V7-8 VCC1 V7-8/Ta Conditions VCC1 = 12 V 13.2 V, V7-8 at VCC2 = 12 V 13.2 V VCC1 = 12 V 10.8 V, V7-8 at VCC2 = 12 V 10.8 V VIN = 2.5 V, V7-8 at Ta = +25C +75C and Ta = +25C -20C Min Typ 0.2 0.2 0.2 Max Unit V V V * Explanations of testing method Conditions on evaluation of the peak current VCC1 1 VCC2 2 N.C. 3 4 GND2 5 N.C. 6 7 8 300 A mA VCC 12 V 20 F 24 22 /10 W 12 V Open Close 6.8 k 5 kB 1s 1s Confirm that the IC operates normally after turning on and off SW 100 times at the interval of one second. Carry out the above test when pin 7 is replaced with pin 8. GND1 9 3 AN5448 s Terminal Equivalent Circuits Pin No. 1 1 ICs for TV Equivalent circuit Description Supply voltage 12 V (VCC1): Supply voltage pin. Apply DC 12 V. Output-block power supply 12 V (VCC2): Supply voltage pin for TILT output Apply DC 12 V via a protection resistor. DC voltage (V) 12 VCC1 2 12 V 10 /2 W 2 12 7 8 5 3 4 N.C. TILT control input: Control input for TILT Apply DC 0 V to 5 V. (typ. = 2.5 V) VCC1 4 3 k GND1 5 2 GND2: The grounding pin for TILT output block. 0 7 8 5 4 ICs for TV s Terminal Equivalent Circuits (continued) Pin No. 6 7 Equivalent circuit N.C. TILT positive output: The positive output pin for TILT It outputs the same polarity as pin 4. Description AN5448 DC voltage (V) 1.7 to 7.4 2 7 5 8 2 TILT negative output: The negative output pin for TILT It outputs the reverse polarity of pin 4. 1.7 to 7.4 8 5 9 9 GND1 GND1: The grounding pin for 12 V system. 0 s Usage Notes 1. The sequence of power supply turning on and off 1) Turning on sequence: First time: Pin 2 (12 V power supply) Second time: Pin 1 (12 V power supply) 2) Turning off sequence: First time: Pin 1 (12 V power supply) Second time: Pin 2 (12 V power supply) If pin 2 voltage is decreased to 4.5 V or less under the established state of pin 1, an abnormal current of 20 mA to 50 mA flows to pin 1, so that there is a possibility of breakdown of the IC. The above setting sequence should be observed. The normal operation of the IC has been confirmed after tuning on and off SW 100 times at the interval of 1 second with the following testing circuit. Therefore, there will be no problem even if a current under 50 mA is allowed to flow to pin 1 for only about 1 second at turning on and turning off the set power supply. However, we do not give you guarantee by our shipping test. 5 AN5448 s Usage Notes (continued) 2. Testing circuit for checking abnormal current ICs for TV AN5448 VCC1 1 VCC2 2 3 4 GND 5 6 7 8 27 SW VCC 12 V 30 mA VCC 12 V 100 3. Principle of abnormal current generation 12 V 12 V 1 0V 27 2 7 5 Note) The same also applies to pin 8 6 GND 9 ICs for TV s Usage Notes (continued) 4. The change in the output voltage by VCC2 voltage change. AN5448 VCC1 1 VCC2 2 3 4 5 6 7 8 VCC R2 10 VIN 100 If pin 2 voltage becomes a voltage of 8.3 V or less by making R2 value larger, the upper limit of TILT output voltage is restricted and becomes as shown in figure 1. Care must be taken at using VCC2 at a voltage of 8.3 V or less. (V) 7.4 TILT output voltage 4.5 1.7 0 0 2.5 5 (V) VIN Figure 1 9 7 AN5448 s Technical Information * PD Ta curve of SIP009-P-0000C PD Ta 1000 ICs for TV 874 800 Power dissipation PD (mW) 600 Rth (j-a) = 143C/W PD = 874 mW (25C) 400 Independent IC without a heat sink 200 0 0 25 50 75 100 125 150 Ambient temperature Ta (C) s Application Circuit Example VCC1 1 VCC2 2 N.C. 3 4 GND2 5 N.C. 6 7 8 VCC 12 V 20 F 10 100 /1 W 6.8 k 5 kB * The above characteristics are reference values based on design and not guaranteed values. 8 GND1 9 |
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