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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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CS5126 Datenblatt(PDF) 3 Page - Cherry Semiconductor Corporation |
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CS5126 Datenblatt(HTML) 3 Page - Cherry Semiconductor Corporation |
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3 / 10 page  3 Electrical Characteristics: -40°C ≤ TJ ≤ 125°C, -40°C ≤ TA ≤ 105°C, 7.60V ≤ VCC ≤ 20V, UVLO = 3.0V, ISENSE = 0V, CV(CC) = 0.33µF, CGATE = 1nF (ESR = 10Ω), CSS = 470pF CV(FB) = 100pF, unless otherwise stated. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT s VCC Clamp and BIAS Pin CS5124 Only. Connect an NFET as follows: BIAS = G, VCC = S, VIN = D. VCC Clamp Voltage 36V ≤ VIN ≤ 60V, 220nF ≤ 7.275 7.9 8.625 V CSS ≤ 500nF, R = 500k BIAS Minimum Voltage Measure Voltage on BIAS with: 1.6 2.8 4 V 10V ≤ VCC ≤ 20V and 50µA ≤ IBIAS ≤ 1mA BIAS Clamp With BIAS pin sinking 1mA 12 15 20 V s 200kHz Oscillator CS5126 Only Operating Frequency 175 200 225 kHz Max Duty Cycle Clamp 78 82.5 85 % Slope Compensation 12 18 23 mV/µs (Normal operation) Slope Compensation (Synchronized operation) (Note 1) 7 12 16 mV/µs SYNC Input Threshold Voltage 1 2 3 V SYNC Input Impedance Measured with SYNC = 1V &10V 50 120 230 kΩ s 400kHz Oscillator CS5124 Only Operating Frequency 360 400 440 kHz Max Duty Cycle Clamp 80.0 82.5 85.0 % Slope Compensation 15 21 26 mV/µs s Soft Start Soft Start Charge Current 7 10 13 µA Soft Start Discharge Current 0.5 10.0 mA VSS Voltage when VFB VFB = 300mV 1.40 1.62 1.80 V Begins to Rise Peak Soft Start Charge Voltage 4.7 4.9 V Valley Soft Start Discharge Voltage 200 275 400 mV s Current Sense CS5124 Only First Current Sense Threshold At max duty cycle. 170 195 215 mV Second Current Sense Threshold 250 275 315 mV ISENSE to GATE Prop. Delay 0 to 700mV pulse into ISENSE 60 90 130 ns (after blanking time) Leading Edge Blanking Time 0 to 400mV pulse into ISENSE 90 130 180 ns Internal Offset (Note 1) 60 mV s Current Sense CS5126 Only First Current Sense Threshold At max duty cycle 300 335 360 mV Second Current Sense 485 525 575 mV Threshold ISENSE to GATE Prop. Delay 0 to 800mV pulse into ISENSE 60 90 130 ns (after blanking time) Leading Edge Blanking Time 0 to 550mV pulse into ISENSE 110 175 210 ns Internal Offset (Note 1) 125 mV |
Ähnliche Teilenummer - CS5126 |
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Ähnliche Beschreibung - CS5126 |
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