 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| IP5560C IP5560C TOP VIEW VCC 1 VZ 2 FEEDBACK 3 GAIN 4 MODULATOR 5 DUTY CYCLE 6 CONTROL RT 7 16 15 14 13 12 11 10 9 FEED FORWARD OUTPUT (COLLECTOR) OUTPUT (EMITTER) DEMAGNETISATION / OVERVOLTAGE GND CURRENT LIMITING REMOTE ON/OFF EXTERNAL SYNC SWITCHED-MODE POWER SUPPLY CONTROL CIRCUIT FEATURES * STABILISED POWER SUPPLY * TEMPERATURE COMPENSATED REFERENCE SOURCE * SAWTOOTH GENERATOR * PULSE WIDTH MODULATOR * REMOTE ON/OFF SWITCHING * CURRENT LIMITING * LOW SUPPLY VOLTAGE PROTECTION * LOOP FAULT PROTECTION * DEMAGNETISATION/OVERVOLTAGE PROTECTION * MAXIMUM DUTY CYCLE CLAMP * FEED FORWARD CONTROL * EXTERNAL SYNCHRONISATION CT 8 J Package - 16 Pin Ceramic DIP N Package - 16 Pin Plastic DIP D Package - 16 Pin Plastic (150) SOIC Order Information Part Number IP5560 IP5560C J-Pack 16 Pin N-Pack 16 Pin D-16 16 Pin Temp. Range -55 to +125C 0 to +70C Note: To order, add the package identifier to the part number. eg. IP5560J IP5560CD-16 ABSOLUTE MAXIMUM RATINGS (Tcase = 25C unless otherwise stated) SUPPLY Voltage Sourced Current Sourced 18V 30mA OUTPUT TRANSISTOR Output Current Collector Voltage (Pin 15) Maximum Emitter Voltage (Pin 14) Operating Junction Temperature Storage Temperature Range Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk TJ TSTG 40mA 18V 5V See Ordering Information -65 to +150C Prelim. 4/95 Semelab plc. IP5560C IP5560C DESCRIPTION The IP5560 is a control circuit for use in switched mode power supplies. This single monolithic chip incorporates all the control and supervisory (protection) functions required in switched mode power supplies, including an internal temperature compensated reference source, internal reference, sawtooth generator, pulse width modulator, output stage and various protection circuits. BLOCK DIAGRAM FEED FORWARD RT 16 7 CT 8 EXTERNAL SYNC INPUT 9 DEMAGNETISATION OVER-VOLTAGE PROTECTION 13 REFERENCE VOLTAGE 0.48V 0.6V FEEDBACK VOLTAGE GAIN ADJUST MODULATOR INPUT DUTY CYCLE CONTROL 3 SAWTOOTH GENERATOR 0.6V VC C 15 Collector 4 5 S LATCH R 14 OUTPUTS Emitter 6 0.6V 1k 100 0.6V R S O1 START STOP 0.48V CURRENT LIMITING 11 STABILISED SUPPLY 0.6V 2 Vz 10 1 16 REMOTE ON/OFF VC C GND Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk Prelim. 4/95 IP5560C IP5560C ELECTRICAL CHARACTERISTICS (TJ = 25C unless otherwise stated) Parameter Test Conditions Min. 3.69 TJ = Over Temp. Range IL = -7mA 3.65 100 7.8 8.4 200 8.8 7.8 IP5560 Typ. Max. 3.72 3.81 3.85 Min. 3.57 3.53 IP5560C Typ. Max. 3.72 3.95 4.00 100 8.4 200 8.8 Units REFERENCE SECTIONS Internal Reference Voltage (VREF) Temperature Coefficient of VREF Internal Reference (VZ) Temperature Coefficient of VZ V ppm/C V ppm/C OSCILLATOR SECTION Frequency Range Initial Accuracy Oscillator Duty Cycle Range TJ = Over Temp. Range R = 5k fO = 20kHz 0-90 50 5 0-98 0-90 100k 50 5 0-98 100k Hz % MODULATOR Modulator Input Current Voltage at Pin 5 = 2V TJ = Over Temp. Range -0.2 -20 -0.2 -20 mA SUPERVISORY FUNCTIONS Pin 6 Input Current Pin 6 Duty Cycle Limit Control (for 50% Max. Duty Cycle) Pin 1 Low Supply Voltage Protection Thresholds Pin 3 Feedback Loop Protection Trip Thresholds Pin 3 Pull Up Current Pin 13 Demagnetisation / OverVoltage Protection Threshold Pin 13 Input Current At 0.25V At 2V At 2V TJ = Over Temp. Range 40 -0.2 50 -20 60 40 -0.2 50 -20 60 A % Duty Cycle V f = 15kHz to 50kHz Vpin6 = 0.4VZ 8 9 10.5 8 9 10.5 400 -7 470 600 -15 600 -0.6 720 -35 720 -10 -20 400 -7 470 600 -15 600 -0.6 720 -35 720 -10 -20 mV A mV A % Orig. TJ = Over Temp. Range 30 40 Pin 16 Feed Forward Duty Cycle Control Pin 16 Feed Forward Input Current Voltage at Pin 16 = 2VZ 50 30 40 50 Duty Cycle At 16V VCC = 18V 0.2 5 0.2 5 A NOTES 1) Test Conditions: VCC = 12V , TJ = 25C unless otherwise stated 2) Tests marked TJ = Over Temp. Range apply over the full temperature range ie. TJ = -55 to +125C for IP5560 TJ = 0 to +70C for IP5560C Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk Prelim. 4/95 IP5560C IP5560C ELECTRICAL CHARACTERISTICS (TJ = 25C unless otherwise stated) Parameter Pin 9 Off Pin 9 On Pin 9 Sink Current Voltage at Pin 9 = 0V TJ = Over Temp. Range Test Conditions Min. 0 2 IP5560 Typ. Max. 0.8 VZ -85 -125 Min. 0 2 IP5560C Typ. Max. 0.8 VZ -85 -125 Units EXTERNAL SYNCHRONISATION V A REMOTE ON/OFF Pin 10 Off Pin 10 On Pin 10 Sink Current Voltage at Pin 9 = 0V TJ = Over Temp. Range 0 2 -85 0.8 VZ -125 0 2 -85 0.8 VZ -125 V A CURRENT LIMITING Pin 11 IIN Single Pulse Inhibit Delay Trip Levels: Shut Down, Slow Start Trip Levels: Current Limit Voltage at Pin 11 = 250mV Inhibit Delay Time for 20% Overdrive at 30mA IOUT 560 400 -2 0.7 600 480 -10 0.8 700 500 560 400 -2 0.7 600 480 -10 0.8 700 500 A s mV ERROR AMPLIFIER Output Voltage Swing (VOH) Output Voltage Swing (VOL) Open Loop Gain Feedback Resistor Small Signal Bandwidth 54 10 3 60 6.2 9.5 0.7 54 10 3 60 6.2 9.5 0.7 V dB k MHz OUTPUT STAGE VCE(sat) Output Current Max. Emitter Voltage IC = 40mA (Pin 15) (Pin 14) 5 0.5 40 5 0.5 40 V mA V SUPPLY VOLTAGE/CURRENT IZ = 0 , Voltage Fed , VPIN6 = 0.5V Supply Current (ICC) RPIN7 = 25k TJ = Over Temp. Range Supply Voltage (VCC) ICC = 10mA , Current Feed ICC = 30mA , Current Feed 20 20 10 15 24 30 19 20 10 15 24 30 V mA NOTES 1) Test Conditions: VCC = 12V , TJ = 25C unless otherwise stated 2) Tests marked TJ = Over Temp. Range apply over the full temperature range ie. TJ = -55 to +125C for IP5560 TJ = 0 to +70C for IP5560C Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk Prelim. 4/95 IP5560C IP5560C TYPICAL PERFORMANCE CHARACTERISTICS -- ERROR AMPLIFIER Open Loop Phase 0 60 Open Loop Gain -30 50 PHASE ANGLE () -60 GAIN (dB) 40 -90 30 -120 20 -150 10 -180 0 1k 10k 100k FREQUENCY (Hz) 1M 10M 1k 10k 100k FREQUENCY (Hz) 1M 10M Transfer Curve of Pulse Width Modulator Duty Cycle vs Input Voltage 100 90 VO Regulation vs Error Amp Closed Loop Gain 7 4 R1 RS R1 RS = 20 80 - REGULATION (%) - DUTY CYCLE (%) 70 60 50 40 30 20 10 0 0 1 2 3 4 5 6 V VREF (3.72V) R1 1 RS = 100 R1 RS = 500 Pins 4,5 or 6 V REF 0.1 0 10 20 30 40 50 60 70 80 VO 90 INPUT VOLTAGE (V) - ERROR AMP CLOSED LOOP GAIN Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk Prelim. 4/95 IP5560C IP5560C TYPICAL PERFORMANCE CHARACTERISTICS -- ERROR AMPLIFIER Voltage / Current Fed Supply Characteristics 30 Power Derating Curve 1.25 1.00 ICC SUPPLY CURRENT (mA) -50 -25 0 25 50 75 100 125 150 20 PD MAX (W) 0.75 0.50 10 0.25 0.00 0 0 10 20 30 TA AMBIENT TEMPERATURE (C) PD = VCC ICC + ( VCC - VZ ) IZ + [ ( Vpin15 - Vpin14 ) Ipin15 x ] VCC SUPPLY VOLTAGE (V) Duty Cycle Sensitivity To Feed Forward Voltage (Pin 16) 100 OSCILLATOR FREQUENCY (kHz) 90 Typical Frequency Plot vs RT and CT 200 100 80 - DUTY CYCLE (%) 70 60 R=5 k R=1 0k R=2 0k R=4 0k 50 40 30 20 10 10 0 1.00 1.50 2.00 2.50 1 2.00 2.50 3.00 3.50 4.00 4.50 VPIN16 / VZ TIMING CAPACITANCE (nF) Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk Prelim. 4/95 IP5560C IP5560C TYPICAL PERFORMANCE CHARACTERISTICS -- ERROR AMPLIFIER Soft Start Min. Duty Cycle vs R1 + R2 80 (%) max = 90% 70 60 max = 70% 50 40 30 20 0 max = 50% 1 Current Fed Dropping Resistor VS SOFT START DUTY CYCLE RV C C VC C GND 16 max = 30% RVCC = 10 0 1 R1 + R2 (k) 10 30 VS - VCC (10 to 20 mA) See DC Electrical Characteristics For Current Feed VCC Range Graph for Determining max 100 (%) 90 2 max - MAXIMUM DUTY CYCLE 80 70 60 6 VZ R1 DUTY CYCLE CONTROL 50 40 30 12 R2 20 10 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 R2 R1 + R2 Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk Prelim. 4/95 |
Price & Availability of IP5560
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |