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AP5726 Datasheet(PDF) 4 Page - Diodes Incorporated |
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AP5726 Datasheet(HTML) 4 Page - Diodes Incorporated |
4 / 17 page AP5726 WHITE LED STEP-UP CONVERTER AP5726 Document number: DS31845 Rev. 3 - 2 4 of 17 www.diodes.com July 2010 © Diodes Incorporated Electrical Characteristics (VIN = 3.6V, TA = 25°C, unless otherwise specified.) Symbol Parameter Conditions Min Typ. Max Unit System Supply Input VIN Operating Input Voltage 2.7 - 5.5 V UVLO Under Voltage Lockout - 2.2 2.4 V Under Voltage Lockout Hysteresis - 85 - mV IQ Quiescent Current FB=0.41V, No Switching - 500 - μA ISD Shutdown Current VEN < 0.4V - 0.1 1 μA Oscillator FOSC Operation Frequency 1 1.2 1.4 MHz Dmax Maximum Duty Cycle 86 90 - % Reference Voltage VFB Feedback Voltage 0.279 0.31 0.341 V IFB FB Pin Bias Current 10 45 100 nA MOSFET Rds(on) On Resistance of MOSFET - 0.95 1.2 Ω IOCP Switching Current Limit Normal Operation - 750 - mA Control and Protection EN Voltage High ON 1.5 - - V EN Voltage Low OFF - - 0.4 V IEN EN Pin Pull Low Current - 4 6 μA OVP OVP Threshold 26 30 34 V θ JA Thermal Resistance Junction-to- Ambient SOT26 (Note 2) 162 oC/W TSOT23-6 (Note 2) 152 DFN2020C-6 (Note 2) 200 θ JC Thermal Resistance Junction-to- Case SOT26 (Note 2) 36 oC/W TSOT23-6 (Note 2) 32 DFN2020C-6 (Note 2) 30 Notes: 2. Test condition for SOT26, TSOT23-6 and DFN2020C-6: Device mounted on FR-4 substrate, single-layer PC board, 2oz copper, with minimum recommended pad layout |
Similar Part No. - AP5726_10 |
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Similar Description - AP5726_10 |
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