KB2147 Samsung, KB2147 Datasheet
KB2147
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KB2147 Summary of contents
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... DEFLECTION PROCESSOR FOR MULTISYNC MONITORS DEFLECTION PROCESSOR The KB2147 is a monolithic integrated circuit assembled pins shrunk dual in line plastic package. The goal of this control all the functions related to the horizontal and vertical deflection in multimodes or multisync monitors. FUNCTIONS • Positive or Negative sync polarities • ...
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... KB2147 BLOCK DIAGRAM 35 INPUT 1st PHASE 17 HSYNC INTERFACE COMP 16 XRAY-IN HREF 5 H-VREF HGND 4 BANDGAP VREF 26 V-VREF 24 VGND INPUT 34 VSYNC INTERFACE OSCILLATOR DEFLECTION PROCESSOR FOR MULTISYNC MONITORS VCO LOCK DETECT SAFETY PROCESSOR VCC OUTPUT INHIBITION VERTICAL S CORRECTION 2nd PHASE PHASE OUTPUT COMP ...
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... PIN CONFIGURATIONS 1 PLL2C 2 H-DUTY 3 HFLY 4 HGND 5 HREF PLL1F 13 HLOCK-CAP 14 FH-MIN 15 H-POS 16 XRAY-IN 17 HSYNC 18 VCC 19 GND 20 H-OUTEM 21 H-OUTCOL 42 I-SENSE 41 COMP REGIN ADJ 38 KEYST 37 E/W-AMP 36 E/WOUT 35 PLL1-INHIB 34 VSYNC V-POS 33 32 V-DCOUT 31 V-AMP 30 VOUT 29 VS-CENT 28 VS-AMP 27 VCAP 26 VREF VAGCCAP 25 24 VGND 23 SBLK-OUT B+ OUT 22 KB2147 3 ...
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... KB2147 PIN DESCRIPTION Pin No Pin Name 1 PLL2C Second PLL Loop Filter 2 H-DUTY DC Control of Horizontal Drive Output Pulse Duty-cycle. If this pin grounded, the horizontal and vertical outputs are inhibited. By connecting a capacitor on the this pin a soft-start function may be realized on h-drive output. 3 H-FLY Horizontal Flyback Input (Positive Polarity) ...
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... DC Control East/West Pincushion Correction Amplitude 38 KEYST DC Control of Keystone Correction 39 B+ADJ DC Control of B+ Adjustment 40 REGIN Regulation Input of B+ Control Loop 41 COMP B+ Error Amplifier Output for Frequency Compensation and Gain Setting 42 I Sensing of External B+ Switching Transistor Emitter Current SENSE Table 1. Pin Description (Continued) signal) Description KB2147 5 ...
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... KB2147 ABSOLUTE MAXIMUM RATINGS NO 1 Supply Voltage (Pin 18) 2 Maximum Voltage on Pins 2, 14,15, 28, 29, 31, 33, 37, 38 ESD Succeptibility Human Body Model, 100pF Discharge through 1.5k EIAJ Norm, 200pF Discharge through 0 4 Storage Temperature 5 Maximum Operating Junction Temperature 6 Operating Temperature THERMAL CHARACTERISTICS ...
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... DEFLECTION PROCESSOR FOR MULTISYNC MONITORS Parameter DC Voltage Range on DC Controls (Pins 2-14-15) DCadj Symbol Conditions REF-H KB2147 Min Typ Max Unit ...
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... KB2147 ELECTRICAL CHARACTERISTICS (Vcc = 12 V, Tamb = 25 C) Table 2. Horizontal Section Electrical Characteristics Parameter SUPPLY AND REFERENCE VOLTAGES Supply Voltage (Pin 18) Supply Current (Pin 18) Reference Voltage for Horizontal Section (Pin 5) Max Sourced Current on V REF-H (Pin 5) Reference Voltage for Vertical Section (Pin 26) ...
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... V V OFF 2 Symbol Conditions VSVR Symbol Conditions IBIASP For V23-28- IBIASN For V31 = 6V VSth Pin 34; High-level Low -level VSBI V34 = 0.8V VRB On Pin 27 VRT On Pin 27 VRTF On Pin 27 KB2147 Min Typ Max Unit 9 1.6 1 0.25 0.5 V 1 Min Typ Max Unit 0 5 ...
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... KB2147 Table 3. Vertical Section Electrical Characteristics (Continued) Parameter Output current range on pin 27 during ramp charging time. Current to charge capacitor between pin 27 and ground Minimum Vertical sync pulse width Vertical sync input maximum duty-cycle Vertical Sawtooth discharge time duration Vertical Free running frequency ( V28 = 2V ) ...
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... IVref On error amp (+) input for < V39 < 6V RERADJ Symbol Vsym See figure 2; Internal voltage V38 = 2V V38 = 4V V38 = 6V Min Typ 5 Min Typ 85 6 0 10mA 0. 4 Conditions Min Typ KB2147 Max Unit 0 Max Unit dB MHz Max Unit V 3.2 3.5 3.8 11 ...
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... KB2147 Table 5. East/West Parabola Generator Electrical Characteristics (Continued) Parameter Keystone adjustment capability B/A ratio A/B ratio Parabola amplitude adjustment capability Maximum amplitude on pin 36 Maximum ratio between max and min NOTE; 1. These parameters are not tested on each unit. They are measured during our internal qualification procedure which includes characterization on batches comming from comers of our processes and also temperature characterization ...
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... V-posi 10nF 1uF + 32 12k 1/6W 31 33k 1/6W 30 10k 1/6W 29 47K 1/6W 28 47k 15k 1/6W 220 nF 64V 27 22k 1/6W 26 100uF 25 + 0.47uF 24 12V 23 47k 1/6W 22 3.3k 1/6W KB2147 I-SENSE H-REF AFC H-SIZE S-PIN 5V 6.8k To vertical Amp(+) V-SIZE To vertical Amp V-LIN Vref + 16V B+ DRIVE 13 ...
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... KB2147 14 DEFLECTION PROCESSOR FOR MULTISYNC MONITORS 3.8 3.5 3.2 Figure 2. Keystone Adjusment V 27 4.0V 3.5V 3.0V 0 Figure 3. Amplitude Adjusment T/4 T/2 ¡âV increase when V increase. 28 ¡â when Figure 4. Correction Adjusment B T ¡âV V30pp 3T/2 T ...
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