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Part Number: CAT102
Description: The CAT102 is a low-voltage reference and amplifier. Designed for the control loop of low-voltage powe...
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CAT102
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DataSheet
General Description
CAT102 General Description
The CAT102 is a low-voltage reference and amplifier. Designed for the control loop of low-voltage power supplies, the reference voltage has been designed for 600mV. Over a junction temperature from -40 to 105 the reference voltage is within 8mV of the nominal 600mV. In addition, the error amplifier output and the supply voltage pin are on separate pins.
Power supply rejection is a high 45dB at 300kHz. The output, OUT, can sink 20mA at a maximum saturation voltage of 250mV.
When combined with an optocoupler, the CAT102 can be used as an error amplifier that controls the feedback loop in isolated low-output voltage switching power supplies.
CAT102 Maximum Ratings
VIN Voltage ......................................................... 20V
OUT Voltage ....................................................... 20V
FB Voltage .......................................................... 20V
VIN, OUT, FB Current ................................... ....50mA
Operating Junction Temperature ..................... 150
Lead Soldering Temperature (10 sec) ............. 260
Storage Temperature Range ...........-65 to +150
OUT Voltage ....................................................... 20V
FB Voltage .......................................................... 20V
VIN, OUT, FB Current ................................... ....50mA
Operating Junction Temperature ..................... 150
Lead Soldering Temperature (10 sec) ............. 260
Storage Temperature Range ...........-65 to +150
CAT102 Features
`Low voltage reference: 600mV
`Low temperature coefficient reference: 25ppm
`Accurate 600mV reference voltage: +6mV at TJ=25
`High PSRR: 45dB at 300kHz
`High line rejection: +1mV (VCC from 2.2V to 18V)
`Low supply current: 300A
`Open collector output
` Directly drives optocouplers
`Compact 5-lead SOT23 package
`Industrial temperature range: -40 to 85
`Low temperature coefficient reference: 25ppm
`Accurate 600mV reference voltage: +6mV at TJ=25
`High PSRR: 45dB at 300kHz
`High line rejection: +1mV (VCC from 2.2V to 18V)
`Low supply current: 300A
`Open collector output
` Directly drives optocouplers
`Compact 5-lead SOT23 package
`Industrial temperature range: -40 to 85
CAT102 Typical Application
·SMPS control loop
·Low temperature coefficient voltage reference
·Power management
·Replaces zener diodes
·Low temperature coefficient voltage reference
·Power management
·Replaces zener diodes
CAT102 Connection Diagram
CAT102
PDF/DataSheet Download
- Datasheet: CAT102
- File Size: 83422 KB
- Manufacturer: CATALYST [Catalyst Semiconductor]
- Click here to Download
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