PDF AP4313 Data sheet ( Hoja de datos )

Número de pieza	AP4313
Descripción	CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER
Fabricantes	Diodes
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No Preview Available ! A Product Line of Diodes Incorporated AP4313 CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Description The AP4313 is a highly integrated solution for a constant voltage/constant current mode SMPS application. The AP4313 contains one 1.21V voltage reference with 1% accuracy, one current sensing circuit and two operational amplifiers. Combining the voltage reference with one operational amplifier makes AP4313 an ideal voltage controller for use in adapters and battery chargers. The other low voltage reference combined with the other operational amplifier makes it an ideal current limiter for output low side current sensing. The AP4313 is available in SOT26 package. Pin Assignments (Top View) Pin 1 Mark VCTRL 1 GND 2 VOUT 3 6 VCC 5 VSENSE 4 ICTRL Features  Constant Voltage and Constant Current Control  Precision Internal Voltage Reference  Few External Components  Easy Compensation  Low Supply Current: 0.5mA  Operating Temperature Range: -40 to +105oC  Totally Lead-free & Fully RoHS Compliant (Notes 1 & 2)  Halogen and Antimony Free. “Green” Device (Note 3) Applications  Adapters  Battery Chargers SOT26 Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. Typical Applications Circuit AP4313 1.210V + VCC VOUT VCTRL To primary R2 R4 R3 C1 + VOUT+ IL Load ICTRL GND VSENSE C3 R5 R1 R6 500 Rss VOUT  VREF  R1  R2 R1 (V) AP4313 Document number: DS37565 Rev.2 - 2 CurrentLimit  VSENSE (A) RSS Typical Application 1 1 of 9 www.diodes.com VOUT- October 2014 © Diodes Incorporated 1 page Performance Characteristics VREF vs. Ambient Temperature 1.225 1.220 1.215 1.210 1.205 1.200 1.195 -40 -20 0 20 40 60 80 Ambient Temperature (oC) 100 120 A Product Line of Diodes Incorporated AP4313 VSENSE vs. Ambient Temperature 202 201 200 199 198 197 196 195 -40 -20 V =12V CC V =5V CC V =2.5V CC 0 20 40 60 80 Ambient Temperature (oC) 100 120 VCTRL Pin Input Bias Current vs. Ambient Temperature 80 V =12V 60 CC V =5V CC V =2.5V CC 40 20 0 -20 -40 -40 -20 0 20 40 60 80 Ambient Temperature (oC) 100 120 ICTRL Pin Input Bias Current vs. Ambient Temperature 40 V =12V CC 35 V =5V CC V =2.5V CC 30 25 20 15 -40 -20 0 20 40 60 80 Ambient Temperature (oC) 100 120 Output Short Circuit Current vs. Ambient Temperature Supply Current vs. Ambient Temperature 60 50 40 30 20 V =12V CC V =5V CC V =2.5V 10 CC 0 -40 -20 0 20 40 60 80 Ambient Temperature (oC) 100 120 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 -40 -20 V =12V CC V =5V CC V =2.5V CC 0 20 40 60 80 Ambient Temperature (oC) 100 120 AP4313 Document number: DS37565 Rev.2 - 2 5 of 9 www.diodes.com October 2014 © Diodes Incorporated 5 Page

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