AS1334 datasheet(7/17 Pages) AMSCO

Numer części	AS1334

Szczegółowy opis	650mA, Ultra low Ripple Step Down DC/DC Converter

PDF	17 Pages

Scroll/Zoom	100%

Producent	AMSCO [ams AG]

Strona internetowa	http://www.ams.com

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AS1334

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

Figure 7. Output Voltage vs. Temperature

Figure 8. Efficiency vs. Output Current

2.94

2.96

2.98

3.02

3.04

3.06

-40

-15

Temperature (°C)

Iout=50mA

Iout=300mA

Iout=650mA

100

200

300

400

500

600

700

Output Current (mA)

Vi n=3.25V

Vi n=3.6V

Vi n=3.9V

Vi n=4.2V

Vi n=4.5V

Vi n=5.5V

Figure 9. Switch Peak Current Limit vs. Temperature;

closed loop

Figure 10. Load Transient Response; VOUT = 3.0V,

VIN = 4.2V

1.05

1.1

1.15

1.2

-40

-15

Temperature (°C)

Vi n=2.7V

Vi n=3.6V

Vi n=5.5V

10µs/Div

Figure 11. Startup; VIN = 3.6V, VOUT = 3.0V,

IOUT<1mA, RLOAD=3.3k

Figure 12. Startup; VIN = 4.2V, VOUT = 3.0V,

IOUT<1mA, RLOAD=3.3k

50µs/Div

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