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CS5308 データシート(PDF) 5 Page - ON Semiconductor |
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CS5308 データシート(HTML) 5 Page - ON Semiconductor |
5 / 31 page CS5308 http://onsemi.com 5 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 Power Good Output Power Good Fault Delay CSREF = DAC to DAC ± 15% 25 50 100 ms PWRGD Low Voltage IPWRGD = 4.0 mA − 250 400 mV Output Leakage Current VPWRGD = 5.5 V − 0.1 10 mA Lower Threshold − −15 −12 −9.0 % Upper Threshold − 9.0 12 15 % Voltage Feedback Error Amplifier VFB Bias Current, (Note 2.) 0.9 V < VFB < 1.9 V 9.4 10.3 11.1 mA COMP Source Current COMP = 0.5 V to 2.0 V; VFB = 1.6 V 15 30 60 mA COMP Sink Current COMP = 0.5 V to 2.0 V; VFB = 1.7 V 15 30 60 mA COMP Discharge Threshold Voltage − 0.20 0.27 0.34 V Transconductance −10 mA < ICOMP < +10 mA − 32 − mmho Output Impedance − − 2.5 − MW Open Loop DC Gain Note 3. 60 90 − dB Unity Gain Bandwidth 0.01 mF − 400 − kHz PSRR @ 1.0 kHz − − 70 − dB COMP Max Voltage VFB = 1.6 V COMP Open 2.4 2.7 − V COMP Min Voltage VFB = 1.7 V COMP Open − 0.1 0.2 V Hiccup Latch Discharge Current − 2.0 5.0 10 mA COMP Discharge Ratio − 4.0 6.0 10 − PWM Comparators Minimum Pulse Width CS1 = CS2 = CSREF − 350 475 ns Channel Startup Offset V(CS1) = V(CS2) = V(VFB) = V(CSREF) = 0 V; Measure V(COMP) when GATE(H)1,2 switch high 0.3 0.4 0.5 V VTT Power Good VTT Threshold − 1.03 1.05 1.07 V VTTPGD Low Voltage IVTTPGD = 4.0 mA − 0.25 0.4 V VTTPGD Leakage Current VTTPGD = 5.5 V − 0.1 10 mA VTTCT Threshold Voltage − 1.0 1.05 1.10 V VTTCT Charge Current Note 2. 15 30 45 mA VTTCT Discharge Threshold − 0.24 0.32 0.38 V GATES High Voltage (AC) Measure VCCx − GATEx, Note 3. − 0 1.0 V Low Voltage (AC) Measure GATEx, Note 3. − 0 0.5 V Rise Time GATEx 1.0 V < GATE < 8.0 V; VCCx = 10 V − 35 80 ns 2. The VFB Bias Current and VTTCT Charge Currents change with the value of ROSC per Figure 4. 3. Guaranteed by design. Not tested in production. |
同様の部品番号 - CS5308 |
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同様の説明 - CS5308 |
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