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GM7109-AS8R Datasheet(PDF) 7 Page - Gamma Microelectronics Inc. |
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GM7109-AS8R Datasheet(HTML) 7 Page - Gamma Microelectronics Inc. |
7 / 9 page 7 GM7109 150KHz, 2A STEP DOWN VOLTAGE SWITCHING REGULATORS Figure 3. Switch Saturation Voltage 1.4 V lN =12V 1.3 1.2 1.1 T J = - 40°C 1.0 0.9 0.8 125 °C 0.7 0.6 1 2 0 3 4 SWlTCH CURRENT (A) 25° C Figure 4. Switch Current Limit 5.5 V OUT =5V 5.0 4.5 4.0 3.5 -50 -25 0 25 50 75 100 125 JUNCTlON TEMPERATURE (°C) V lN = 12V Figure 5. Dropout Voltage 1.6 1.4 1.2 1.0 0.8 0.6 L = 33µH RIND = 0.04 VOUT = VREG = 50mV ILOAD = 2A ILOAD = 1A -50 -25 0 25 50 75 100 JUNCTION TEMPERATURE (°C) Figure 6. Operating Quiescent Current Switch ON Switch OFF 24 20 16 12 8 4 0 -50 -25 0 25 50 75 100 JUNCTION TEMPERATURE (°C) 125 4.5V < VIN < 40V ISWITCH = 0 Figure 8. Minimum Operating Supply Voltage JUNCTION TEMPERATURE (°C) -50 -25 0 25 50 75 100 125 VOUT = 1.23V ILOAD = 120mA 5 4 3 2 1 0 Figure 9. SD Pin Current (Sinking) 0 5 10 15 20 25 SD PlN VOLTAGE(V) VIN = 40V TJ = -40°C and 125°C 8 6 5 4 3 2 7 1 0 Figure 10. Switching Frequency JUNCTION TEMPERATURE (°C) -50 -25 0 25 50 75 100 125 160 150 145 140 135 130 155 120 TJ = -40°C and 125°C TJ = 25°C VON/OFF = 5V SUPPLY VOLTAGE (V) 150 80 60 40 20 0 0 10 20 30 40 100 Figure 7. Shutdown Quiescent Current Typical Performance Characteristics |
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Similar Description - GM7109-AS8R |
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