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AQT506/504
Current Regulator Diode
SC70-3, SOT23-3, TO92 Packages
Product Specification Revision 1.0 July 10, 2004
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. Its low cost, small size, and simplicity makes the current regulator diode ideal for applications requiring an isolated constant current source.
Applications * Audio circuits * Timing circuits * Current source or sink * Current limiting circuits Features * No separate voltage source required * Excellent temperature performance * High Dynamic Impedance * Offered in SOT23 & SC70 packages Pin Configuration (Top View)
Block Diagram
Electrical Characteristic
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AQT506/504
Acutechnology Semiconductor Inc.
AQT506/504
Ordering Information
Device AQT506 AQT506 AQT506 AQT504 AQT504 AQT504 Operating Tj 0C 100C 0C 100C 0C 100C 0C 100C 0C 100C 0C 100C %Tol 20 20 20 20 20 20 Pkg Type TO-92-2 SOT-23-3 SC70-3 TO-92-2 SOT-23-3 SC70-3
I FWD
Wrap BULK T&R T&R BULK T&R T&R
Order Number AQ506FV-N2-14-BU AQ506FV-M2-14-TR AQ506FV-C3-14-TR AQ504FV-N2-07-BU AQ504FV-M3-07-TR AQ504FV-C3-07-TR
1.4mA 1.4mA 1.4mA 0.7mA 0.7mA 0.7mA
Absolute Maximum Ratings
Parameter Peak Forward Voltage Reverse Current Operating Junction Temperature Lead Temperature (soldering 10 seconds) Storage Temperature Range Value 36 50 150 300 -80 to +150 Unit V mA C C C
Electrical Specifications
Electrical characteristics are guaranteed over the full temperature range 0C Tj 100C. Ambient temperature must be de-rated based upon power dissipation and package thermal characteristics. Symbol POV VR CF IF Zd Zk VL TC Parameter Peak Operating Voltage Reverse Voltage Capacitance Regulator Current Dynamic Impedance Knee Impedance Limiting Voltage Temperature Coefficient Conditions IF= 1.1 * IF max IR= 1mA VF=25V, f = 1MHz AQT506, VF= 25V AQT504, VF= 25V VF= 25V VF= 6V IF= 0.8 * If min VF=25V 0C TA 100 C 1.12 0.61 .33 Min 36 Typ 45 0.8 2.2 1.40 0.70 1.5 .25 1.1 .19 2.5 1.68 0.84 Max Units Volts Volts pF mA M M V %/C
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Rev. 1.0
July 10, 2004
Acutechnology Semiconductor Inc.
AQT506/504
Typical Applications
Package Dimensions TO92-2*, TO92-3
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3
Rev. 1.0
July 10, 2004
Acutechnology Semiconductor Inc.
AQT506/504
Package Dimensions (contd.) SOT23-3, SOT23-5, SOT23-4, SOT23-6
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Rev. 1.0
July 10, 2004
Acutechnology Semiconductor Inc.
AQT506/504
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
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.
TEL: FAX: website:
(408) 259-2300 (408) 259-9160 www.acutechnology.com
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.
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Rev. 1.0
July 10, 2004

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