AQ102 ACUTECH | Alldatasheet

Document overview

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Technical content

Features

  • Low input voltage reference
  • 600mV high accuracy voltage reference
  • Low TC voltage reference
  • High PSRR and line regulation
  • Low current consumption
  • Offered in ultra small SC70-5 package
  • Zero offset error amplifier
  • Open collector output
  • RoHS compliant Block Diagram Pin Configuration

Acutechnology Semiconductor Inc. AQ102 www.acutechnology.com 2 Rev. 1.3 May 3, 2005 Typical Application Pin Descriptions Pin Pin Name Function

1 FB Inverting input to error amplifier; will have

threshold of 600mV.

2 GND Ground

3 COMP Output of error amplifier; 20 mA source/sink

4 N/C -

5 VCC Positive supply

Ordering Information

Device Operating Tj %Tol Pkg Type V OUT Wrap Ordering Number AQ102 -40C ˚ ≤ 105C˚ 1.0 SOT-23-5 0.6V T&R AQ102BY-M5-06-TRL AQ102 -40C ˚ ≤ 105C˚ 1.0 SC70-5 0.6V T&R AQ102BY-C5-06-TRL Note: The TRL parts are Lead Free and RoHS compliant.

Acutechnology Semiconductor Inc. AQ102 www.acutechnology.com 3 Rev. 1.3 May 3, 2005 Absolute Maximum Ratings Parameter Value Units VCC Voltage 20 V COMP Voltage 20 V REF Voltage 20 V VCC, COMP, REF Current 50 mA Operating Junction Temperature 150 ºC Lead Temperature (soldering 10 seconds) 260 ºC Storage Temperature Range -65 to +150 ºC Electrical Specifications Electrical characteristics are guaranteed over the full temperature range –40ºC <Tj<105ºC. Ambient temperature must be de-rated based upon power dissipation and package thermal characteristics. Unless otherwise stated, test conditions are VCC = 3V, VCOMP = VFB, ICOMP = 1mA Symbol Parameter Conditions Min Typ Max Units Vccmin Minimum Input Voltage 2.2 V Icc Quiescent Supply Current VCOMP=1V 0.3 0.5 mA Vcc Supply Voltage 2.2 18 V Tj=25ºC 594 600 606 Vref Reference Voltage -40ºC <Tj<105ºC 592 608 mV DVcc Line regulation 2.2V < VCC < 18V 0.5 1 mV DViload Load Regulation ICOMP=1mA to 10mA 4 8 mV Tcref Reference Temperature Deviation -40ºC <Tj<105ºC 25 50 ppm/ºC IFB REF input current -500 500 nA PSRR Reference Power Supply Rejection Freq.=300KHz 35 45 dB Av Error Amplifier Open Loop Gain ICOMP=2mA, COMP=1V 60 80 dB BW Unity Gain Frequency ICOMP=2mA, COMP=1V 1 2 MHz VCOMP Output Saturation Voltage ICOMP=20mA, VFB= 700mV 100 250 mV TRANSC Output Transconductance IC OMP=1mA to 20mA 2.5 mA/mV Ileak Output Leakage Current VCOMP=16 VFB=0 200 400 nA

Acutechnology Semiconductor Inc. AQ102 www.acutechnology.com 4 Rev. 1.3 May 3, 2005 Typical Performance Characteristics Line regulation (at 1mA) 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 2.2 6 10 14 18 Supply voltage (V) Output voltage change (mV) Load regulation 1 5 10 15 20 Load current (mA) Output voltage change (mV) Supply current vs load current 100 120 140 160 180 200 220 240 260 280 300 0 5 10 15 20 Load current (mA) Supply current (uA) Power-supply rejection ratio vs frequency -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 0.1 1 10 100 1000 10000 100000 Frequency (Hz) PSRR (dB)

Acutechnology Semiconductor Inc. AQ102 www.acutechnology.com 5 Rev. 1.3 May 3, 2005 Typical Performance Characteristics (contd.) FB Bias current vs Temperature Vcc=2.5V -70 -60 -50 -40 -30 -20 -10 -40 0 40 80 120 Temperature (degrees C) FB bias current (nA) Vref@10mA 570 580 590 600 610 620 630 -40 0 40 80 120 Temperature (degrees C) Reference voltage (V) Gain vs. Frequency -10 110 0.01 0.1 1 10 100 1000 10000 Frequency (KHz) Gain (dB)

Acutechnology Semiconductor Inc. AQ102 www.acutechnology.com 6 Rev. 1.3 May 3, 2005 Package Dimensions SOT23-3, SOT23-4, SOT23-5, SOT23-6

Acutechnology Semiconductor Inc. AQ102 www.acutechnology.com 7 Rev. 1.3 May 3, 2005 Package Dimensions (contd.) SC70-3, SC70-4, SC70-5, SC70-6 Contact Information Acutechnology Semiconductor Inc. TEL: (408) 259-2300 3487 McKee Rd. Suite 52 FAX: (408) 259-9160 San Jose CA , USA 95127 website: www.acutechnology.com Disclaimer The information furnished by Acutechnology in this data s heet is believed to be accurate and reliable. However, Acutechnology assumes no responsibility for its use. Acutechnology reserves the right to change circuitry and specifications at any time without notification to the customer. Life Support Policy Acutechnology Products are not designed or authorized for use as components in life support devices or systems where malfunction of a product can reasonably be ex pected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended fo r surgical implant into the body or (b) support or sustain life, and whose failure t o perform can be reasonably expected to result in a significant injury to the user.