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SS6638-33GZTR 数据表(PDF) 5 Page - Silicon Standard Corp. |
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SS6638-33GZTR 数据表(HTML) 5 Page - Silicon Standard Corp. |
5 / 19 page www.SiliconStandard.com 5 of 19 ELECTRICAL CHARACTERISTICS (Continued) PARAMETER TEST CONDITIONS TEST CKT SYMBOL MIN. TYP. MAX. UNIT Oscillator Duty Cycle VS=VOUT x 0.95 Measurement of the SW pin waveform 3 DUTY 65 75 85 % Max. Oscillator Freq. VS=VOUT x 0.95 Measurement of the SW pin waveform 3 FOSC 80 105 130 kHz Efficiency 1 η 85 % Note 1: Specifications are production tested at TA=25°C. Specifications over the -40°C to 85°C operating temperature range are assured by design, characterization and correlation with Statistical Quality Controls (SQC). TYPICAL PERFORMANCE CHARACTERISTICS (Refer to Typical Application) Capacitor (C2) : 47 µF (Tantalum Type) Diode (D1) : 1N5819 Schottky Type Fig. 4 SS6638-27G Load Regulation (L=100µH CD54) 0 20 40 60 80 100 120 140 160 180 2.2 2.3 2.4 2.5 2.6 2.7 2.8 VIN=2.0V VIN=1.8V VIN=1.5V VIN=1.2V VIN=0.9V Output Current (mA) Fig. 5 SS6638-27G Efficiency (L=100 µH CD54) 0 20 40 60 80 100 120 140 160 180 55 60 65 70 75 80 85 VIN=2.0V VIN=1.8V VIN=1.5V VIN=1.2V VIN=0.9V Output current (mA) Fig. 6 SS6638-27G Load Regulation (L=47µH CD54) 0 20 40 60 80 100 120 140 160 180 200 220 240 2.3 2.4 2.5 2.6 2.7 2.8 VIN=2.0V VIN=1.8V VIN=1.5V VIN=1.2V VIN=0.9V Output Current (mA) 240 85 Fig. 7 SS6638-27G Efficiency (L=47 µH CD54) Output current (mA) 0 20 40 60 80 100 120 140 160 180 200 220 50 55 60 65 70 75 80 VIN=2.0V VIN=1.8V VIN=1.5V VIN=1.2V VIN=0.9V SS6638G 8/21/2005 Rev.2.3 |
类似零件编号 - SS6638-33GZTR |
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类似说明 - SS6638-33GZTR |
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