AQT506/504 Current Regulator Diode SC70-3, SOT23-3, TO92 Packages Product Specification Revision 1.0 General Description The AQT506/504 is a 2-terminal current regulator capable of delivering a constant current over a wide voltage range, and requires no separate voltage source or supporting components. The AQT506/504 is a bipolar integrated circuit that replaces legacy JFET devices. July 10, 2004 Applications • Audio circuits • Timing circuits • Current source or sink • Current limiting circuits Its low cost, small size, and simplicity makes the current regulator diode ideal for applications requiring an isolated constant current source. Features • No separate voltage source required • Excellent temperature performance • High Dynamic Impedance • Offered in SOT23 & SC70 packages Block Diagram Pin Configuration (Top View) Electrical Characteristic www.acutechnology.com AQT506/504 AQT506/504 Acutechnology Semiconductor Inc. Ordering Information I FWD Wrap Order Number TO-92-2 1.4mA BULK AQ506FV-N2-14-BU 20 SOT-23-3 1.4mA T&R AQ506FV-M2-14-TR 0C˚ ≤100C˚ 20 SC70-3 1.4mA T&R AQ506FV-C3-14-TR AQT504 0C˚ ≤100C˚ 20 TO-92-2 0.7mA BULK AQ504FV-N2-07-BU AQT504 0C˚ ≤100C˚ 20 SOT-23-3 0.7mA T&R AQ504FV-M3-07-TR AQT504 0C˚ ≤100C˚ 20 SC70-3 0.7mA T&R AQ504FV-C3-07-TR Device Operating Tj %Tol AQT506 0C˚ ≤100C˚ 20 AQT506 0C˚ ≤100C˚ AQT506 Pkg Type Absolute Maximum Ratings Parameter Value Unit Peak Forward Voltage 36 V Reverse Current 50 mA Operating Junction Temperature 150 ºC Lead Temperature (soldering 10 seconds) 300 ºC -80 to +150 ºC Storage Temperature Range Electrical Specifications Electrical characteristics are guaranteed over the full temperature range 0ºC ≤ Tj ≤ 100ºC. Ambient temperature must be de-rated based upon power dissipation and package thermal characteristics. Symbol Parameter Conditions Min Typ Peak Operating Voltage IF= 1.1 • IF max 36 45 Volts VR Reverse Voltage IR= 1mA 0.8 Volts CF Capacitance VF=25V, f = 1MHz 2.2 pF IF Regulator Current Zd POV Max Units AQT506, VF= 25V 1.12 1.40 1.68 AQT504, VF= 25V 0.61 0.70 0.84 Dynamic Impedance VF= 25V .33 1.5 MΩ Zk Knee Impedance VF= 6V .25 MΩ VL Limiting Voltage 1.1 TC Temperature Coefficient IF= 0.8 • If min VF=25V 0°C ≤ TA ≤ 100 °C www.acutechnology.com 2 .19 Rev. 1.0 2.5 mA V %/°C July 10, 2004 AQT506/504 Acutechnology Semiconductor Inc. Typical Applications Package Dimensions TO92-2*, TO92-3 www.acutechnology.com 3 Rev. 1.0 July 10, 2004 AQT506/504 Acutechnology Semiconductor Inc. Package Dimensions (contd.) SOT23-3, SOT23-5, SOT23-4, SOT23-6 www.acutechnology.com 4 Rev. 1.0 July 10, 2004 AQT506/504 Acutechnology Semiconductor Inc. Package Dimensions (contd.) SC70-3, SC70-4, SC70-5, SC70-6 Contact Information Acutechnology Semiconductor Inc. 3487 McKee Rd. Suite 52 San Jose CA , USA 95127 TEL: FAX: website: (408) 259-2300 (408) 259-9160 www.acutechnology.com Disclaimer The information furnished by Acutechnology in this data sheet 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 expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. www.acutechnology.com 5 Rev. 1.0 July 10, 2004