A Product Line of Diodes Incorporated AP4306 CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER Description Pin Assignments The AP4306 is a highly integrated solution for a constant voltage/constant current mode SMPS application. (Top View) The AP4306 contains one 1.21V voltage reference, one low voltage reference used in current sensing circuit and two operational amplifiers. The 1.21V voltage reference, combined with one operational amplifier, makes of an ideal voltage controller for use in adapters and battery chargers. The low voltage reference, combined with another operational amplifier, makes of an ideal current limiter for output low side current sensing. Pin 1 Mark The AP4306 is fully compatible with AP4305 in functionality and electrical characteristics except its lower reference voltage for current control loop, thus higher power efficiency in SMPS applications such as low power charger can be realized with AP4306 compared to AP4305. VCTRL 1 6 VCC GND 2 5 VSENSE VOUT 3 4 ICTRL SOT26 (K Package) The AP4306 is available in SOT26 package. Features Constant Voltage and Constant Current Control Precision Internal Voltage Reference Low External Component Count Easy Compensation Low Supply Current: 0.5mA Current Control Loop Reference A Version: 70mV B Version: 100mV C Version: 150mV Operating Temperature Range: -40 to +105oC Operating Supply Voltage: 2.5V to 18V Totally Lead-free & Fully RoHS Compliant (Note1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) Notes: Applications Adapters Battery Chargers 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. AP4306 Document number: DS36792 Rev. 2 - 2 1 of 11 www.diodes.com January 2014 © Diodes Incorporated A Product Line of Diodes Incorporated AP4306 Typical Applications Circuit VOUT+ To primary R2 AP4306 VCC R4 1.210V + C1 R3 VOUT IL + VCTRL Load C3 GND ICTRL R5 VSENSE R1 R6 500 VOUT- R SS VOUT VREF R1 R 2 R1 CurrentLimit VSENSE RSS Typical Application 1 VOUT+ To primary AP4306 1.210V VCC R4 V OUT + R3 R2 IL C1 + VCTRL Load C3 GND ICTRL R5 VSENSE R1 R6 500 VOUTRSS VOUT [VREF ( I L RSS )] R1 R 2 ( I L RSS ) R1 CurrentLimit VSENSE RSS Typical Application 2 AP4306 Document number: DS36792 Rev. 2 - 2 2 of 11 www.diodes.com January 2014 © Diodes Incorporated A Product Line of Diodes Incorporated AP4306 Typical Applications Circuit (Cont.) VOUT+ To primary AP4306 VCC 1.210V R4 VOUT + R3 R2 IL C1 + VCTRL Load C3 GND ICTRL R5 VSENSE R1 R6 500 VOUTRSS VOUT VREF R1 R 2 ( I L RSS ) R1 CurrentLimit VSENSE VREF VSENSE VREF RSS Typical Application 3 Pin Descriptions Pin Number Pin Name 1 VCTRL Input pin of the voltage control loop 2 GND Ground 3 VOUT Output pin. Sinking current only 4 ICTRL Input pin of the current control loop 5 VSENSE Input pin of the current control loop 6 VCC AP4306 Document number: DS36792 Rev. 2 - 2 Function Power supply 3 of 11 www.diodes.com January 2014 © Diodes Incorporated A Product Line of Diodes Incorporated AP4306 Functional Block Diagram VCC 6 1.210V VOUT 3 VCTRL 1 GND 2 4 5 ICTRL VSENSE For A, B, C Versions Absolute Maximum Ratings (Note 4) Parameter Symbol VCC Power Supply Voltage VIN Input Voltage TJ Rating Unit 20 V -0.3 to VCC V Junction Temperature +150 C TSTG Storage Temperature -65 to +150 C TLEAD Lead Temperature (Soldering, 5sec) +260 C Thermal Resistance (Junction to Ambient) 250 C/W θJA Note 4: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. Recommended Operating Conditions Symbol Parameter Min Max Unit VCC Power Supply Voltage 2.5 18 V TA Operating Temperature Range -40 +105 C AP4306 Document number: DS36792 Rev. 2 - 2 4 of 11 www.diodes.com January 2014 © Diodes Incorporated A Product Line of Diodes Incorporated AP4306 Electrical Characteristics Symbol (@VCC=5V, TA=+25C, unless otherwise specified.) Parameters Conditions Min Typ Max – 0.5 1 -40 C<TA <+105 C – 0.6 – TA=25oC 1 3.5 – – 2.5 – Unit TOTAL CURRENT CONSUMPTION TA=25oC Total Supply Current Not Including the Output Sinking ICC o o mA VOLTAGE CONTROL LOOP Transconduction Gain (VCTRL). Sink Current Only Gmv o o -40 C<TA <+105 C TA=+25oC A Version o 1.198 o -40 C<TA <+105 C VREF Voltage Control Loop Reference o B, C Versions o 1.162 1.258 V 1.204 1.21 1.216 -40oC<TA <+105oC 1.186 – 1.234 – 50 – – 100 – 1.5 7 – 1.5 7 – TA=+25 C Input Bias Current (VCTRL) 1.222 1.21 TA=+25 C o IIBV mA/mV o -40 C<TA <+105 C nA CURRENT CONTROL LOOP Transconduction Gain (ICTRL). Sink Current Only Gmi TA=+25oC o o -40 C<TA <+105 C TA=+25oC A Version o 66.5 o -40 C<TA <+105 C VSENSE Current Control Loop Reference o B Version C Version IIBI Current Out of Pin ICTRL at VSENSE 73.5 70 63 TA=+25 C 97 -40oC<TA <+105oC 94 TA=+25oC 147 -40oC<TA <+105oC 143 77 103 100 mV 106 153 150 157 TA=+25oC – 18 – -40oC<TA <+105oC – 35 – TA=+25oC – 25 – -40oC<TA <+105oC – 50 – TA=+25oC – 37.5 – -40oC<TA <+105oC – 75 – – 100 – -40 C<TA <+105 C – 100 – TA=+25oC – 27 50 – 35 – A Version B Version C Version mA/mV μA OUTPUT STAGE VOL Low Output Voltage at 10mA Sinking Current IOS Output Short Circuit Current. Output to VCC. Sink Current Only TA=+25oC o o o o -40 C<TA <+105 C mV mA Thermal Impedance Parameters Symbol θJC Thermal Resistance (Junction to Case) AP4306 Document number: DS36792 Rev. 2 - 2 5 of 11 www.diodes.com Value Unit 84 C/W January 2014 © Diodes Incorporated A Product Line of Diodes Incorporated AP4306 Performance Characteristics AP4306 VREF vs. Ambient Temperature AP4306A VSENSE vs. Ambient Temperature 1.235 76 1.230 74 1.225 VSENSE (mV) 1.220 VREF (V) 1.215 1.210 1.205 72 70 68 1.200 1.195 1.190 1.185 -40 VCC=2.5V VCC=5V VCC=18V 66 2.5V<VCC<18V -20 0 20 40 60 80 100 64 -40 120 -20 0 40 60 80 100 120 Ambient Temperature ( C) Ambient Temperature ( C) AP4306B VSENSE vs. Ambient Temperature AP4306C VSENSE vs. Ambient Temperature 105 155 104 154 103 153 102 152 VSENSE (mV) VSENSE (mV) 20 o o 101 100 99 151 150 149 98 VCC=2.5V 148 VCC=5V VCC=2.5V 97 147 VCC=5V 146 VCC=18V VCC=18V 96 95 -40 -20 0 20 40 60 80 100 120 145 -40 -20 0 o 20 40 60 80 100 120 o Ambient Temperature ( C) Ambient Temperature ( C) AP4306 IIBV vs. Ambient Temperature AP4306 IIBI vs. Ambient Temperature 70 80 65 55 VCC=5V 60 50 VCC=18V 45 IIBI (A) IBV (nA) AP4306A AP4306B AP4306C 60 VCC=2.5V 40 40 35 30 25 20 20 15 10 5 0 -40 -20 0 20 40 60 80 100 120 Document number: DS36792 Rev. 2 - 2 -40 -20 0 20 40 60 80 100 120 140 o o Ambient Temperature ( C) Ambient Temperature ( C) AP4306 0 -60 6 of 11 www.diodes.com January 2014 © Diodes Incorporated A Product Line of Diodes Incorporated AP4306 Performance Characteristics (Cont.) AP4306 IOS vs. Ambient Temperature AP4306 ICC vs. Ambient Temperature 65 1.0 60 0.9 0.8 55 0.7 50 ICC (mA) IOS (mA) 0.6 45 40 35 30 25 -20 0 20 40 60 0.3 VCC=2.5V 0.2 VCC=5V VCC=5V 0.1 VCC=18V 80 100 0.0 -40 120 Document number: DS36792 Rev. 2 - 2 -20 0 20 40 60 80 100 120 o o Ambient Temperature ( C) Ambient Temperature ( C) AP4306 0.4 VCC=2.5V VCC=18V 20 -40 0.5 7 of 11 www.diodes.com January 2014 © Diodes Incorporated A Product Line of Diodes Incorporated AP4306 Ordering Information AP4306 X X XX - XX Product Name Version Package Packing A: 70mV VSENSE B: 100mV VSENSE C: 150mV VSENSE K: SOT26 TR: Tape & Reel E1/G1 E1: Lead Free G1: Green Diodes IC’s Pb-free products with "E1" suffix in the part number, are RoHS compliant. Products with "G1" suffix are available in green package. Part Number Package Packing Lead Free SOT26 Marking ID Version Green Lead Free Green 70mV VSENSE AP4306AKTR-E1 AP4306AKTR-G1 E7L G7L 3000/Tape & Reel 100mV VSENSE AP4306BKTR-E1 AP4306BKTR-G1 E7M G7M 3000/Tape & Reel 150mV VSENSE AP4306CKTR-E1 AP4306CKTR-G1 E7N G7N 3000/Tape & Reel Marking Information : Logo XXX: Marking ID (See ordering information) AP4306 Document number: DS36792 Rev. 2 - 2 8 of 11 www.diodes.com January 2014 © Diodes Incorporated A Product Line of Diodes Incorporated AP4306 Package Outline Dimensions (All dimensions in mm(inch).) (1) Package Type: SOT26 0° 2.820(0.111) 8° 3.100(0.122) 0.300(0.012) 0.500(0.020) 5 4 2 3 0.300(0.012) 0.600(0.024) 1.500(0.059) 1.700(0.067) 2.650(0.104) 3.000(0.118) 6 0.200(0.008) Pin 1 Mark 1 0.700(0.028)REF 0.950(0.037)TYP 0.000(0.000) 0.150(0.006) 1.800(0.071) 2.000(0.079) 0.100(0.004) 0.200(0.008) 0.900(0.035) 1.450(0.057) MAX 1.300(0.051) AP4306 Document number: DS36792 Rev. 2 - 2 9 of 11 www.diodes.com January 2014 © Diodes Incorporated A Product Line of Diodes Incorporated AP4306 Suggested Pad Layout (1) Package Type: SOT26 E E Y G Z X Dimensions Z (mm)/(inch) G (mm)/(inch) X (mm)/(inch) Y (mm)/(inch) E (mm)/(inch) Value 3.600/0.142 1.600/0.063 0.700/0.028 1.000/0.039 0.950/0.037 AP4306 Document number: DS36792 Rev. 2 - 2 10 of 11 www.diodes.com January 2014 © Diodes Incorporated A Product Line of Diodes Incorporated AP4306 IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 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LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright © 2013, Diodes Incorporated www.diodes.com AP4306 Document number: DS36792 Rev. 2 - 2 11 of 11 www.diodes.com January 2014 © Diodes Incorporated