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CS5166GDW16 Fiches technique(PDF) 3 Page - Cherry Semiconductor Corporation |
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CS5166GDW16 Fiches technique(HTML) 3 Page - Cherry Semiconductor Corporation |
3 / 22 page 3 Electrical Characteristics: 0˚C < TA < 70˚C; 0˚C < TJ < 125˚C; 8V < VCC < 14V; 2.0V DAC Code (VID4 = VID3 = VID2 = VID1 =0, VID0 = 1), CGATE(H) = CGATE(L) = 3.3nF, COFF = 330pF, CSS= 0.1µF; Unless otherwise stated. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT s VCC Supply Current Operating 1V<VFB<VDAC (Max On-Time), No Loads on GATE(H) and GATE(L) 12 20 mA s VCC Monitor Start Threshold GATE(H) Switching 3.75 3.95 4.15 V Stop Threshold GATE(H) not switching 3.65 3.87 4.05 V Hysteresis Start – Stop 80 mV s Error Amplifier VFB Bias Current VFB = 0V 0.1 1.0 µA COMP Source Current COMP = 1.2V to 3.6V; VFB = 1.9V 15 30 60 µA COMP CLAMP Voltage VFB = 1.9V, Adjust COMP voltage 0.85 1.0 1.15 V for Comp current = 60µA COMP Clamp Current COMP = 0V 0.4 1.0 1.6 mA COMP Sink Current VCOMP=1.2V; VFB=2.2V; VSS > 2.5V 180 400 800 µA Open Loop Gain Note 1 50 60 dB Unity Gain Bandwidth Note 1 0.5 2 MHz PSRR @ 1kHZ Note 1 60 85 dB s GATE(H) and GATE(L) High Voltage at 100mA Measure VCC –GATE 1.2 2.0 V Low Voltage at 100mA Measure GATE 1.0 1.5 V Rise Time 1.6V < GATE < (VCC – 2.5V) 40 80 ns Fall Time (VCC – 2.5V) >GATE > 1.6V 40 80 ns GATE(H) to GATE(L) Delay GATE(H)<2V, GATE(L)>2V 30 65 100 ns GATE(L) to GATE(H) Delay GATE(L)<2V, GATE(H)>2V 30 65 100 ns GATE pull-down Resistance to PGnd (Note 1) 20 50 115 kΩ s Over Current Detection Current limit voltage VFB = 0V to 3.5V 55 76 130 mV 8V < VCC < 12V + 10% ISENSE Bias Current ISENSE = 2.8V 13 30 50 µA s Fault Protection SS Charge Time VFB = 3V, VISENSE = 2.8V 1.6 3.3 5.0 ms SS Pulse Period VFB = 3V, VISENSE = 2.8V 25 100 200 ms SS Duty Cycle (Charge Time/Period) × 100 1.0 3.3 6.0 % |
Numéro de pièce similaire - CS5166GDW16 |
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Description similaire - CS5166GDW16 |
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