Secondary amplifier SOT23-5 SC70-5 Package Product Specifica

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Secondary amplifier SOT23-5 SC70-5 Package Product Specifica

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AQ105
Secondary amplifier
SOT23-5 SC70-5 Package
Product Specification Revision July 2006
General Description
AQ105 cost secondary control circuit power applications needing constant voltage constant current control. implements simple single-loop control modifying internal reference level function current above current limit threshold. current loop reduces reference change current sense input. error provides high gain bandwidth under voltage operation.
Applications Offline Battery Chargers Constant Constant supplies Features 1.25V reference 200mV current limit threshold Error output swings near ground
voltage operation High PSRR line regulation current consumption Offered ultra small SC70-5 package Open collector output voltage operation 2.2V 10mA current sink typical temperature deviation RoHS compliant available
Block Diagram
Configuration
www.acutechnology.com
AQ105
Acutechnology Semiconductor Inc.
AQ105
Typical Application
Descriptions
Name COMP Function Positive supply Ground Output error amplifier; source/sink capability Inverting input error amplifier; will have threshold 1.25V. Current sense input
Ordering Information
Device AQ105 AQ105 AQ105 AQ105
Note:
Operating -20C° 105C° -20C° 105C° -20C° 105C° -20C° 105C°
%Tol
Type SOT-23-5 SOT-23-5 SC70-5 SC70-5
VOUT 1.25V 1.25V 1.25V 1.25V
Wrap
Ordering Number AQ105DY-M5-12-TR AQ105DY-M5-12-TRL AQ105DY-C5-12-TR AQ105DY-C5-12-TRL
parts Lead Free RoHS compliant.
www.acutechnology.com
Rev.
July 2006
Acutechnology Semiconductor Inc.
AQ105
Absolute Maximum Ratings
Parameter Voltage COMP Voltage Voltage Voltage (Self limiting diodes) VCC, COMP, REF, Current Operating Junction Temperature Lead Temperature (soldering seconds) Storage Temperature Range Rating (HBM) Value +150 Units
Electrical Specifications
Electrical characteristics guaranteed over full temperature range Ambient temperature must de-rated based upon power dissipation package thermal characteristics. Unless otherwise stated, test conditions VCOMP VFB, ICOMP 1mA. Symbol Vref DVcc DViload Tcref PSRR VCOMP Parameter Supply Voltage Quiescent Supply Current Reference Voltage Line regulation Load Regulation Reference Temperature Deviation input current Power Supply Rejection Error Amplifier Open Loop Gain Unity Gain Frequency Output Saturation Voltage Freq.=300KHz ICOMP=2mA, COMP=1V ICOMP=2mA, COMP=1V ICOMP=10mA, VFB=HIGH ICOMP=1mA 20mA VCOMP=16 VFB=0 Vcs=-200
Vcs=-250
Conditions VCOMP=1V VCC=15V VCC=2.5V VCC=18V ICOMP=1mA
1.263
Units
1.238
1.250
-500
mA/mV
TRANSC Output Transconductance Ileak Gain Output Leakage Current Current sense threshold voltage Current sense gain reference Bias current
mV/mV
www.acutechnology.com
Rev.
July 2006
Acutechnology Semiconductor Inc.
AQ105
Package Dimensions SOT23-3, SOT23-4, SOT23-5, SOT23-6
www.acutechnology.com
Rev.
July 2006
Acutechnology Semiconductor Inc.
AQ105
Package Dimensions (contd.) SC70-3, SC70-4, SC70-5, SC70-6
Contact Information
Acutechnology Semiconductor Inc. 3487 McKee Suite Jose 95127
Disclaimer
information furnished Acutechnology this data sheet believed accurate reliable. However, Acutechnology assumes responsibility use. Acutechnology reserves right change circuitry specifications time without notification customer.
TEL: FAX: website:
(408) 259-2300 (408) 259-9160 www.acutechnology.com
Life Support Policy
Acutechnology Products designed authorized components life support devices systems where malfunction product reasonably expected result personal injury. Life support devices systems devices systems that intended surgical implant into body support sustain life, whose failure perform reasonably expected result significant injury user.
www.acutechnology.com
Rev.
July 2006

Secondary amplifier SOT23-5 SC70-5 Package Product Specifica

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