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ILC6390CP-25 数据表(PDF) 2 Page - Impala Linear Corporation |
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ILC6390CP-25 数据表(HTML) 2 Page - Impala Linear Corporation |
2 / 9 page SOT-89 Step-Up PFM Switcher with Auto-Load Sense Impala Linear Corporation 2 (408) 574-3939 www.impalalinear.com Feb 2001 ILC6390 1.1 Parameter Symbol Ratings Units VOUT Input Voltage VOUT 12 V Voltage on pin LX VLX 12 V Current on pin LX ILX 400 mA Voltage on pin EXT VEXT VSS-0.3~VOUT+0.3 V Current on pin EXT IEXT ±50 mA CE Input Voltage VCE 12 V VDD Input Voltage VDD 12 V Continuous Total Power Dissipation PD (SOT-25) PD (SOT-89) 150 500 mW Operating Ambient Temperature Topr -30~+80 °C Storage Temperature Tstg -40~+125 °C Parameter Symbol Conditions Min Typ Max Units Output Voltage VOUT Test Circuit of Figure 1 4.875 5.000 5.125 V Input Voltage VIN 10 V Oscillation Startup Voltage VST IOUT = 1mA 0.80 0.9 V Oscillation Hold Voltage VHLD IOUT = 1mA 0.70 V NO-Load Input Current IIN IOUT = 0mA (See Note 1) 5.3 10.6 µA Supply Current 1 (See Note 2) IDD 1 VOUT = 4.75V 31.7 63.4 µA Supply Current 2 IDD 2 VOUT = 5.5V 2.4 4.8 µA LX Switch-On Resistance RSWON VOUT = 4.75V, VLX = 0.4 2.8 4.3 Ω LX Leakage Current ILXL No external components, VOUT = VLX = 10V 1.0 µA Duty Ratio 1 DUTY 1 VOUT = 4.75V, Measuring of LX waveform 70 75 80 % Duty Ratio 2 DUTY 2 VOUT = 4.75V, Measuring of LX on-time 50 55 60 % Maximum Oscillation Freq. 1 MFO 1 VOUT = 4.75V, 75% duty 85 100 115 kHz Maximum Oscillation Freq. 2 MFO 2 VOUT = 4.75V, 55% duty 153 180 207 kHz Stand = by Current ISTB VOUT = 4.75V 0.5 µA CE “High” Voltage VCEH VOUT = 4.75V, Existance of LX Oscillation 0.75 V CE “Low” Voltage VCEL VOUT = 4.75V, Disappearance of LX Oscillation 0.20 V CE “High” Current ICEH VCE = VOUT x 0.95 0.25 µA CE “Low” Current ICEL VOUT = 4.75V, VCE = 0V -0.25 µA LX Limit Voltage VLXLMT VOUT = 4.75V, fosc > MFO x 2 (See Note 3) 0.7 1.1 V Note: 1. The Schottky diode (S.D.), in figure 3 must be type MA735, with Reverse current (IR) < 1.0µA at reverse voltage (VR)=10.0V 2. “Supply Current 1” is the supply current while the oscillator is continuously oscillating. In actual operation the oscillator periodically operates which results in less average power consumption. The current that is actually provided by external VIN source is represented by “No-Load Input Current” 3. The switching frequency is determined by the delay time of the internal comparator and MFO1, which sets the min. on-time Absolute Maximum Ratings (TA = 25°C) Electrical Characteristics ILC6390 VOUT = 5.0V TA = 25°C. Unless otherwise specified, VIN = VOUT x 0.6, IOUT = 50mA. See schematic, fig. 3. |
类似零件编号 - ILC6390CP-25 |
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类似说明 - ILC6390CP-25 |
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