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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SP7650 датащи(PDF) 2 Page - Sipex Corporation |
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SP7650 датащи(HTML) 2 Page - Sipex Corporation |
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2 / 16 page  2 Date: /5/06 SP7650 Wide Input Voltage Range 3A, 300kHz, Buck Regulator © Copyright 2006 Sipex Corporation 2 Date: 2/16/06 SP7650 Wide Input Voltage Range 3A, 300kHz, Buck Regulator © Copyright 2006 Sipex Corporation ELECTRICAL SPECIFICATIONS Unless otherwise specified: -40°C < TAMB < 85°C, -40°C< Tj< 125°C, 4.5V < VCC < 5.5V, 3V< Vin< 28V, BST=LX + 5V, LX = GND = 0.0V, UVIN = 3.0V, CVCC = 1µF, CCOMP = 0.1µF, CSS = 50nF, Typical measured at VCC = 5V. The denotes the specifications which apply over the full temperature range, unless otherwise specified. VCC ................................................................................................... 7V VIN ........................................................................................................................................... 30V ILX ............................................................................................................................................... 5A BST ............................................................................................... 35V LX-BST ............................................................................. -0.3V to 7V LX ....................................................................................... -1V to 30V All other pins .......................................................... -0.3V to VCC+0.3V Storage Temperature .................................................. -65°C to 150°C Power Dissipation ...................................... Internally Limited via OTP ESD Rating .......................................................................... 2kV HBM Thermal Resistance JC .................................................................................... 5°C/W ABSOLUTE MAXIMUM RATINGS PARAMETER MIN. TYP. MAX. UNITS CONDITIONS QUIESCENT CURRENT V CC Supply Current (No switching) 1.5 3 mA VFB = 0.9V V CC Supply Current (switching) 4 6 mA BST Supply Current (No switching) 0.2 0.4 mA VFB = 0.9V BST Supply Current (switching) 4 4 6 mA PROTECTION: UVLO V CC UVLO Start Threshold 4.00 4.25 4.5 V V CC UVLO Hysteresis 100 200 300 mV UVIN Start Threshold 2.3 2.5 2.65 V UVIN Hysteresis 200 300 400 mV UVIN Input Current 1 µA UVIN = 3.0V ERROR AMPLIFIER REFERENCE Error Amplifier Reference 0.792 0.800 0.808 V 2X Gain Config., Measure VFB; V CC = 5 V, T = 25˚C Error Amplifier Reference Over Line and Temperature 0.788 0.800 0.812 V Error Amplifier Transconductance 6 mA/V Error Amplifier Gain 60 dB No Load COMP Sink Current 150 µA VFB= 0.9V, COMP = 0.9V COMP Source Current 150 µA VFB= 0.7V, COMP = 2.2V VFB Input Bias Current 50 200 nA VFB= 0.8V Internal Pole 4 MHz COMP Clamp 2.5 V VFB= 0.7V, TA = 25˚C COMP Clamp Temp. Coefficient -2 mV/˚C These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. |
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