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SP6132HEU-L/TR Datasheet(PDF) 2 Page - Sipex Corporation |
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SP6132HEU-L/TR Datasheet(HTML) 2 Page - Sipex Corporation |
2 / 14 page 2 Date: 5/5/04 SP6132H Dual Supply, Synchronous Buck Controller © Copyright 2004 Sipex Corporation PARAMETER MIN TYP MAX UNITS CONDITIONS QUIESCENT CURRENT VCC Supply Current 1.5 3 mA ♦ VFB =0.9V (No switching) BST Supply Current 0.2 0.4 mA ♦ VFB =0.9V (No switching) PROTECTION: UVLO VCC UVLO Start Threshold 4.00 4.25 4.5 V VCC 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 Error Amplifier Reference 0.788 0.800 0.812 V ♦ Over Line and Temperature Error Amplifier Transconductance 6 ms Error Amplifier Gain 60 dB No Load COMP Sink Current 150 µAVFB = 0.9V, COMP = 0.9V COMP Source Current 150 µAVFB = 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 CONTROL LOOP: PWM COMPARATOR, RAMP & LOOP DELAY PATH Ramp Amplitude 0.92 1.1 1.28 V ♦ RAMP Offset 1.1 V TA = 25°C, RAMP COMP until GH starts switching RAMP Offset Temp. Coefficient -2 mV/°C GH Minimum Pulse Width 90 180 ns Maximum Controllable Duty Ratio 92 97 % ♦ Maximum Duty Ratio Measured just before pulse skipping begins Maximum Duty Ratio 100 % Valid for 20 Cycles Internal Oscillator Frequency 255 300 345 kHz 240 300 360 ♦ ELECTRICAL SPECIFICATIONS Unless otherwise specified: 0°C < TAMB < 70°C, 4.5V < VCC < 5.5V, BST=VCC,SWN = GND = 0V, UVIN = 3.0V, CVCC = 10µF, CCOMP = 0.1µF, CGH = CGL = 3.3nF, CSS = 50nF, Typical measured at VCC=5V. The ♦ denotes the specifications which apply over the -40°C to 85°C temperature range, unless otherwise specified. 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. VCC .................................................................................................. 7V BST ............................................................................................... 33V BST-SWN ......................................................................... -0.3V to 7V SWN ................................................................................... -1V to 30V GH ......................................................................... -0.3V to BST+0.3V GH-SWN ......................................................................................... 7V All other pins .......................................................... -0.3V to VCC+0.3V Peak Output Current < 10us GH,GL ............................................................................................. 2A Storage Temperature .................................................. -65°C to 150°C Power Dissipation .......................................................................... 1W Lead Temperature (Soldering, 10 sec) ...................................... 300°C ESD Rating .......................................................................... 2kV HBM Thermal Resistance ............................................................. 41.9°C/W ABSOLUTE MAXIMUM RATINGS |
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