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CS5308GDWR28 Datasheet(PDF) 6 Page - ON Semiconductor |
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CS5308GDWR28 Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 31 page CS5308 http://onsemi.com 6 ELECTRICAL CHARACTERISTICS (continued) (0°C < TA < 70°C; 0°C < TJ < 125°C; 9.0 V < VCCH1 = VCCH2 < 20 V; 4.5 V < VCCL =VCCL12 < 14 V; CGATE = 3.3 nF, RROSC = 32.4 k, CCOMP = 0.1 mF, CREF = 0.1 mF, DAC Code 01000 (1.65 V), CVCC = 0.1 mF; unless otherwise specified.) Characteristic Unit Max Typ Min Test Conditions GATES Fall Time GATEx 8.0 V > GATE > 1.0 V; VCCx = 10 V − 35 80 ns GATE(H)x to GATE(L)x Delay GATE(H)x < 2.0 V, GATE(L)x > 2.0 V 30 65 110 ns GATE(L)x to GATE(H)x Delay GATE(L)x < 2.0 V, GATE(H)x > 2.0 V 30 65 110 ns GATE Pull−down Force 100 mA into Gate with no power applied to VCCHx and VCCLx = 2.0 V − 1.2 1.6 V Oscillator Switching Frequency ROSC = 32.4 k 340 400 460 kHz Switching Frequency ROSC = 63.4 k, Note 4. 150 200 250 kHz Switching Frequency ROSC = 16.2 k, Note 4. 600 800 1000 kHz ROSC Voltage − − 1.0 − V Phase Delay Rising edge only 165 180 195 deg Adaptive Voltage Positioning VDRP Offset CS1 = CS2 = CSREF, VFB = COMP, Measure VDRP − COMP −15 − 15 mV VDRP Operating Voltage Range Measure VDRP − GND, Note 4. 0.1 − 2.3 V Maximum VDRP Voltage (CS1 = CS2) − CSREF = 50 mV, VFB = COMP Measure VDRP − COMP 260 320 400 mV Current Share Amp to VDRP Gain − 2.6 3.2 4.0 V/V Current Sensing and Sharing CS1 − CS2 Input Bias Current V(Cx) = V(CSREF) = 0 V − 0.1 2.0 mA CSREF Input Bias Current − − 0.5 2.0 mA Current Sense Amplifier Gain − 3.05 3.50 3.95 V/V Current Sense Amp Mismatch (The sum of gain and offset errors.) 0 < CSx − CSREF < 50 mV. Note 4. −5.0 − 5.0 mV Current Sense Input to ILIM Gain ILIM = 1.0 V 5.5 6.5 7.5 V/V Current Limit Filter Slew Rate Note 4. 7.5 15 40 mV/ms ILIM Operating Voltage Range Note 4. 0.1 − 1.3 V ILIM Bias Current 0 V < ILIM < 1.0 V − 0.1 1.0 mA Single Phase Pulse by Pulse Current Limit: V(Cx) − V(CSREF) − 90 105 135 mV Current Sense Amplifier Bandwidth Note 4. 1.0 − − MHz 4. Guaranteed by design. Not tested in production. |
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