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EUP2561 Datasheet(PDF) 4 Page - Eutech Microelectronics Inc |
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EUP2561 Datasheet(HTML) 4 Page - Eutech Microelectronics Inc |
4 / 9 page EUP2561 DS2561 Ver1.0 Dec. 2006 4 Absolute Maximum Ratings IN to GND -------------------------------------------------------------------------- -0.3V to 6V PGND to GND ---------------------------------------------------------------------- -0.3V to 0.3V LX,OUT to GND ------------------------------------------------------------------- -0.3V to 30V CTRL to GND -------------------------------------- -0.3V to the lower of 6V or (VIN +0.5V) COMP,CS to GND ---------------------------------------------------------- -0.3V to (VIN +0.3V) ILX ------------------------------------------------------------------------------------- 1A Thermal Resistance DFN-8 -------------------------------------------------------------------------------- 50°C /W Junction Temperature ---------------------------------------------------------------- 150°C Storage Temperature Range ------------------------------------------------------ -65°C to 150°C Lead Temperature (Soldering, 10sec.) --------------------------------------------- 260°C Recommended Operating Conditions Supply Voltage, VIN ---------------------------------------------------------------- 2.6V to 5.5V Operating Temperature Rang ----------------------------------------------------- -40°C to 85°C Electrical Characteristics (VIN = 3V, VOUT = 20V, COUT = 0.1µF, CCOMP = 0.15µF, RSENSE = 7.5Ω, VCTRL = 1.5V, Figure 2, TA =-40°C to +85°C, unless otherwise noted.) EUP2561 Parameter Conditions Min Typ Max. Unit Supply Voltage 2.6 5.5 V UVLO Threshold VIN rising or falling 2.20 2.40 2.60 V Quiescent Current No Switching 0.39 0.60 mA OVLO Threshold VOUT rising 26 27.5 29 V VOUT=26V,VCTRL> 0.24V 12 22 35 OUT Input Bias Current VOUT=VIN, CTRL=GND 0.01 1 µA Output Voltage Range (VIN-VD1) 25.5 V ERROR AMPLIFIER CTRL to CS Regulation VCTRL = 1V, VIN= 2.6V to 5.5V 0.095 0.100 0.105 V CTRL Input Resistance VCTRL ≤ 1.0V 200 400 700 kΩ CTRL Dual-Mode Threshold Rising 100 180 260 mV CTRL Shutdown Enable Delay 7.5 mS CS-to-COMP Transconductance Vcomp=1.0V 21 52 85 µS OSCILLATOR Operating Frequency 0.78 1.05 1.3 MHz Maximum Duty Cycle CTRL=IN CS=GND 88 92 96 % N-CHANNEL SWITCH LX On-Resistance 1.6 2.4 Ω LX Current Limit Duty cycle=90% 550 750 1000 mA |
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Similar Description - EUP2561 |
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