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ILC6380 Fiches technique(PDF) 3 Page - Impala Linear Corporation |
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ILC6380 Fiches technique(HTML) 3 Page - Impala Linear Corporation |
3 / 6 page SOT-89 Step-up Dual-Mode Switcher with Shutdown Impala Linear Corporation 3 (408) 574-3939 www.impalalinear.com Sept 1999 ILC6380/1 1.4 VOUT = 5.0V, FOSC = 100kHz TA = 25°C. Unless otherwise specified, VIN = VOUTX0.6, IOUT = 50mA. See the schematic, figure 4. ILC6380 1 2 3 45 CE V OUT C L + GND V IN L SD ILC6381 1 2 3 45 CE V OUT C L + L SD V IN C B R B Tr L: 100µH ( SUMIDA, CD-54) SD: Diode (Schottky diode; MATSUSHITA MA735) CL: 16V 47µF (Tantalum Capacitor; NICHICON, F93) L: 47µH ( SUMIDA, CD-54) SD: Diode (Schottky diode; MATSUSHITA MA735) CL: 16V 47µF (Tantalum Capacitor; NICHICON, F93) RB: 1kW CB: 3300pF Tr: 2SC3279, 2SDI628G Parameter Symbol Conditions Min Typ Max Units Output Voltage VOUT Test Circuit of Figure 2 4.875 5.000 5.125 V Input Voltage VIN 10 V Oscillation Startup Voltage VST2 VOUT = VST2 0.8 V Operation Startup Voltage VST1 IOUT = 1mA 0.9 V Supply Current 1 (See Note 2) IDD 1 EXT = 10k Ω pull-up to 5V, VOUT = 4.5V 78.6 131.1 µA Supply Current 2 IDD 2 EXT = 10k Ω pull-up to 5V, VOUT = 5.5V 6.9 13.8 µA EXT “High” On-Resistance REXTH EXT = 10k Ω pull-up to 5V, VOUT = 4.5V, VEXT = VOUT – 0.4V 30 50 Ω EXT “Low” On-Resistance REXTL EXT = 10 Ω pull-up to 5V, VOUT = 4.5V, VEXT = VOUT - 0.4V 30 50 Ω Oscillator Frequency FOSC EXT = 10k Ω pull-up to 5V, V OUT = 4.5V, Measuring of EXT waveform 85 100 115 kHz Maximum Duty Ratio MAXDTY EXT = 10k Ω pull-up to 5V, V OUT = 4.5V, Measuring of EXT high state 80 87 92 % CE “High” Voltage VCEH EXT = 10k Ω pull-up to 5V, V OUT = 4.5V, Existence of Oscillation 0.75 V CE “Low” Voltage VCEL EXT = 10k Ω pull-up to 5V, V OUT = 4.5V, Stopped EXT Oscillation 0.20 V CE “High” Current ICEH EXT: 10k Ω pull-up to 5V, VOUT = 4.5V, VCE = VOUT X 0.95V 0.25 µA CE “Low” Current ICEL EXT = 10k Ω pull-up to 5V, VOUT = 4.5V, VCE = 0V -0.25 µA Efficiency EFFI 85 % Slow Start Time TSS 10 msec Notes: 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 (IIN)” Electrical Characteristics ILC6380BP-50 Typical Applications Figure 3 Figure 4 |
Numéro de pièce similaire - ILC6380 |
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Description similaire - ILC6380 |
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