IP1060

IP1060A SEME-LAB | Alldatasheet

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Prelim. 7/99Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. Supply Voltage Sourced Current Sourced Output Transistor Output current Collector Voltage (Pin 15) Max. Emitter Voltage (Pin 14) Operating Temperature (Ambient) IP1060B IP1060 IP1060A Storage Temperature Rage Operating Junction Temperature Range 18V 30mA 40mA 18V –55°C to +125°C –25°C to + 85°C 0°C to 70°C –65°C to +150°C 150°C ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated) /G38 /G31 /G32 /G33 /G34 /G35 /G36 /G37 /G31/G34 /G31/G33 /G31/G32 /G31/G31 /G31/G30 /G39 /G31/G35 /G31/G36 /G46/G45 /G45 /G44 /G46 /G4F /G52 /G57 /G41 /G52 /G44 /G4F /G55 /G54 /G50 /G55/G54 /G20 /G28 /G43/G4F /G4C /G4C /G29 /G4F/G55 /G54 /G50 /G55 /G54 /G20 /G28 /G45 /G4D /G49 /G54 /G29 /G44 /G45 /G4D /G41 /G47 /G4E /G45/G54 /G49 /G5A /G41/G54 /G49 /G4F /G4E /G2F /G4F/G56/G45 /G52 /G56/G4F/G4C /G54 /G41 /G47/G45 /G47/G4E /G44 /G43/G55/G52/G52/G45 /G4E/G54 /G20 /G4C /G49 /G4D /G49 /G54 /G49 /G4E /G47 /G52/G45 /G4D /G4F /G54 /G45 /G20 /G4F /G4E/G2F /G4F /G46 /G46 /G45/G58 /G54 /G45 /G52 /G4E /G41/G4C /G20 /G53 /G59 /G4E /G43 /G56 /G43/G43 /G56 /G5A /G46/G45 /G45 /G44 /G42 /G41 /G43 /G4B /G47/G41 /G49 /G4E /G4D/G4F /G44 /G55 /G4C /G41 /G54 /G4F /G52 /G44/G55/G54 /G59 /G20 /G43 /G59 /G4C /G45 /G20 /G43/G4F /G4E/G54 /G52/G4F /G4C /G52 /G54 /G43 /G54 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 Order Information Part Number Temperature Range Package IP1060BJ -55°C to + 125°C 16 Pin Ceramic DIP IP1060D -25°C to + 85°C 16 Pin Plastic (150)SOIC IP1060J -25°C to + 85°C 16 Pin Ceramic DIP IP1060N -25°C to + 85°C 16 Pin Plastic DIP IP1060AD 0°C to + 70°C 16 Pin Plastic (150)SOIC IP1060AJ 0°C to + 70°C 16 Pin Ceramic DIP IP1060AN 0°C to + 70°C 16 Pin Plastic DIP

DESCRIPTION

The IP1060 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, sawtooth generator, pulse width modulator, output stage and various protection circuits.

Prelim. 7/99Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. Internal Reference Voltage (VREF ) Temperature Coefficient of VREF Internal Reference (V Z) Temperature Coefficient of VZ Frequency Range Initial Accuracy Oscillator Duty Cycle Range Modulator Input Current Pin 6, Input Current Pin 6, Duty Cycle Limit Control Pin 1, Low Supply Voltage Protection Thresholds Pin 3, Feedback Loop Protection Trip Thresholds Pin 3, Pull Up Current Pin 13, Demag. / O.V. Protection Threshold Pin 13 Input Current Pin 16, Feed Forward Duty Cycle Control Pin 16, Feed Forward Input Current V ppm/°C V ppm/°C Hz /G6D A /G6D A % Duty Cycle V mV /G6D A mV /G6D A % Orig. Duty Cycle /G6D A 3.57 3.72 3.95 3.42 4.03 ±100 7.8 8.4 9.0 ±200 50 100k 0–90 0–98 -0.2 -5.0 -0.2 -6.0 40 50 60 8.85 9.0 10.8 460 600 720 -7 -15 -35 470 600 720 -0.6 -7.0 -20 30 40 50 0.2 50 3.69 3.72 3.81 3.42 4.03 ±100 7.9 8.4 9.0 ±200 50 100k 0–90 0–98 -0.2 -5.0 -0.2 -6.0 40 50 60 8.85 9.0 10.8 460 600 720 -7 -15 -35 470 600 720 -0.6 -7.0 -20 30 40 50 0.2 50 T J = Over Temp. Range 2 IL = 0.7mA TJ = Over Temp. Range 2 R = 5k/G57 fO = 20kHz VPin5 = 2V TJ = Over Temp. Range 2 At 2V O TJ = Over Temp. Range 2 For 50% Max. Duty Cycle 15kHz to 50kHz V Pin6 = 0.4VZ At 2V T J = Over Temp. Range 2 At 0.25V TJ = Over Temp. Range 2 VPin16 = 2VZ At 16V, VCC = 18V ELECTRICAL CHARACTERISTICS (TJ = 25°C unless otherwise stated) IP1060 IP1060B IP1060A NOTES 1. Test Conditions unless otherwise stated: VCC = 12V, TJ = 25°C. 2. Applies Over Full Temperature Range: IP1060B T A = –55 to +125°C IP1060 T A = –25 to +85°C IP1060A T A = 0 to +70°C MODULATOR REFERENCE SECTION OSCILLATOR SECTION SUPERVISORY FUNCTIONS

Prelim. 7/99Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. 00 . 8 2V Z -85 -120 00 . 8 2V Z -85 -120 -2 -10 0.7 0.8 560 600 700 400 480 560 6.2 9.5 0.7 54 60 10k 0.4 19 24 20 30 0 0.8 Z -85 -120 0 0.8 2V Z -85 -120 -2 -10 0.7 0.8 560 600 700 400 480 560 6.2 9.5 0.7 54 60 10k 0.4 20 24 20 30 Pin 9 Off Pin 9 On Pin 9, Sink Current Pin 10 Off Pin 10 On Pin 10 Sink Current Pin 9 =0V to Pin 10 = 0V Pin 11 I IN Single Pulse Inhibit Delay Trip Levels: Shut Down, Slow Start Trip Levels: Current Limit Output Voltage Swing (V OH ) Output Voltage Swing (V OL ) Open Loop Gain Feedback Resistor Small Signal Bandwidth V CE(sat) Output Current Max. Emitter Voltage ICC VCC VCC VPin9 = 0V VPin9 = 0V VPin11 = 250mV Inhibit Delay Time for 20% Overdrive at I OUT = 30mA IC = 40mA (Pin 15) (Pin 14) Voltage Feed V6 = 5V R7 = 25k/G57 I Z = 0 T J = Over Temp. Range 2 ICC = 10mA, Current Feed ICC = 30mA, Current Feed V /G6D A V /G6D A /G6D A /G44 s mV mV V dB /G57 MHz V mA V mA mA V ELECTRICAL CHARACTERISTICS (TJ = 25°C unless otherwise stated) IP1060 IP1060B IP1060A CURRENT LIMITING EXTERNAL SYNCHRONISATION REMOTE ON/OFF ERROR AMPLIFIER OUTPUT STAGE SUPPLY VOLTAGE / CURRENT NOTES 1. Test Conditions unless otherwise stated: VCC = 12V, TJ = 25°C. 2. Applies Over Full Operating Temperature Range: IP1060B T A = –55 to +125°C IP1060 T A = –25 to +85°C IP1060A T A = 0 to +70°C