AS1326A Ver la hoja de datos (PDF) - austriamicrosystems AG

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Fabricante

AS1326A

High Current, 0.8A DC-DC Step-Up Converters

austriamicrosystems AG 

AS1326

Datasheet - Typical Operating Characteristics

Figure 9. Startup Voltage vs. Output Current

2.5

2

1.5

1 +85°C

+25°C

-40°C

0.5

1

10

100

Output Current (mA)

1000

Figure 11. Light-Load Switching Waveform

IOUT = 10mA, CLK/SEL = OUT

Figure 10. Peak Inductor Current vs. VISET

1.6

1.4

1.2

1

0.8

0.6

0.4

0.2

0

0 0.2 0.4 0.6 0.8 1 1.2 1.4

VISET (V)

Figure 12. Heavy-Load Switching Waveform

IOUT = 500mA

500ns/Div

Figure 13. Line-Transient Response. VIN =2.4 to 1.4V,

IOUT = 200mA

500ns/Div

500ns/Div

Figure 14. Noise Spectrum

CLK/SEL = OUT

4

3.5

3

2.5

2

1.5

1

0.5

0

0.2

1

Frequency (MHz)

10 20

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