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IP5561C

Seme LAB
Part Number IP5561C
Manufacturer Seme LAB
Description POWER SUPPLY CONTROLLER
Published Apr 5, 2005
Detailed Description LAB TOP VIEW VCC VZ FEEDBACK GAIN 1 8 SEME IP5661C IP5561C GND OUTPUT CURRENT SENSE RT/CT 2 7 SWITCHED–MODE POWER ...
Datasheet PDF File IP5561C PDF File

IP5561C
IP5561C

Overview
LAB TOP VIEW VCC VZ FEEDBACK GAIN 1 8 SEME IP5661C IP5561C GND OUTPUT CURRENT SENSE RT/CT 2 7 SWITCHED–MODE POWER SUPPLY CONTROL CIRCUIT FEATURES • STABILISED POWER SUPPLY • TEMPERATURE COMPENSATED REFERENCE SOURCE • SAWTOOTH GENERATOR • PULSE WIDTH MODULATOR • CURRENT LIMITING • 8 PIN DIP VCC 3 6 4 5 J Package – 8 Pin Ceramic DIP N Package – 8 Pin Plastic DIP D Package – 8 Pin Plastic (150) SOIC BLOCK DIAGRAM RT CT 5 REFERENCE VOLTAGE ERROR AMP FEEDBACK GAIN 3 SAWTOOTH GENERATOR DESCRIPTION 7 S 4 OUTPUT PWM LATCH R 0.
5V CURRENT SENSE 6 STABILISED SUPPLY 2 8.
2V Vz 1 8 VCC GND The IP5561 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 inter nal temperature compensated reference source, internal zener reference, sawtooth generator, pulse width modulator, output stage and cycle by cycle current limit.
Order Information Part Number IP5561 IP5561C J–Pack 8 Pin N–Pack 8 Pin D–8 8 Pin Temp.
Range -55 to +125°C 0 to +70°C Note: To order, add the package identifier to the part number.
eg.
IP5561J IP5561CD–8 ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated) SUPPLY Voltage Sourced Current Sourced 18V 30mA OUTPUT TRANSISTOR Output Current Collector Voltage (Pin 7) Operating Junction Temperature Storage Temperature Range Telephone (01455) 556565.
Telex: 341927.
Fax (01455) 552612.
TJ TSTG 40mA 18V See Ordering Information –55 to +150°C Prelim.
4/95 Semelab plc.
LAB ELECTRICAL CHARACTERISTICS (TJ = 25°C unless otherwise stated) Parameter Test Conditions Min.
3.
69 TJ = Over Temp.
Range IL = -7mA 3.
65 ±100 7.
8 8.
2 ±200 8.
8 7.
8 SEME IP5661C IP5561C IP5561 Typ.
Max.
3.
75 3.
84 3.
88 Min.
3.
57 3.
55 IP5561C Typ.
Max.
3.
75 3.
96 3.
98 ±100 8.
2 ±200 8.
8 Units REFERENCE SECTIONS Internal Reference Voltage (VREF) Temperature Coefficient of VREF Internal Reference (VZ) Tempera...


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