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AS1337 датащи(PDF) 5 Page - ams AG |
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AS1337 датащи(HTML) 5 Page - ams AG |
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5 / 14 page ![]() www.austriamicrosystems.com Revision 1.03 5 - 14 AS1337 Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s 7 Typical Operating Characteristics VOUT = 3.3V, CIN = 10µF, COUT = 22µF, L1 = 4.7µH, TAMB = +25°C (unless otherwise specified). Figure 3. Efficiency vs. IOUT - Down Conversion Mode Figure 4. Efficiency vs. IOUT - Step-up Mode 30 40 50 60 70 80 90 100 0.1 1 10 100 1000 Output Current (mA) Vin = 3.5V Vin = 4.0V 30 40 50 60 70 80 90 100 0.1 1 10 100 1000 Output Current (mA) Vin = 1.5V Vin = 2.0V Vin = 3.0V Figure 5. Efficiency vs. Input Voltage Figure 6. Output Current vs. Input Voltage 30 40 50 60 70 80 90 100 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 Input Voltage (V) Iout = 1mA Iout = 10mA Iout = 30mA Iout = 100mA Iout = 200mA 0 100 200 300 400 500 0.5 1 1.5 2 2.5 3 3.5 4 4.5 Input Voltage (V) Figure 7. Min. Operating Voltage vs. Temperature Figure 8. Switching Frequency vs. Temperature 0.35 0.45 0.55 0.65 0.75 0.85 -45 -30 -15 0 15 30 45 60 75 90 Temperature (°C) 0.9 1 1.1 1.2 1.3 1.4 1.5 -45 -30 -15 0 15 30 45 60 75 90 Temperature (°C) |
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