AS1334_07 datasheet(7/19 Pages) AMSCO

No de pièce	AS1334

Description	650mA, Ultra low Ripple Step Down DC/DC Converter

PDF	19 Pages

Scroll/Zoom	100%

Fabricant	AMSCO [ams AG]

Site Internet	http://www.ams.com

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www.austriamicrosystems.com/DC-DC_Step-Down/AS1334

Revision 1.09

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AS1334

Datasheet - Ty pical Operating Characteristics

7 Typical Operating Characteristics

Circuit in Figure 23 on page 11, PVIN = VDD = EN = 3.6V, L = 3.3µH (LPS4018-332ML_), CIN = COUT = 10µF (GRM21BR61C106KA01)

unless otherwise noted.

Figure 3. Quiescent Current vs. VIN

Figure 4. Shutdown Current vs. Temperature

0.35

0.4

0.45

0.5

0.55

2.5

3.5

4.5

5.5

Supply Voltage (V)

- 45°C

+25°C

+85°C

0.05

0.1

0.15

0.2

0.25

0.3

-40

-15

Temperature (°C)

Vi n=3.25V

Vi n=3.6V

Vi n=4.2V

Vi n=5.5V

Figure 5. Switching Frequency Variation vs. Temperature

Figure 6. Output Voltage vs. Supply Voltage

-4

-3

-2

-1

-40

-15

Temperature (°C)

Vi n=3.6V

Vi n=4.2V

Vi n=5.5V

2.94

2.96

2.98

3.02

3.04

3.06

3.25

3.75

4.25

4.75

5.25

Supply Voltage (V)

Iout=50mA

Iout=300mA

Iout=650mA

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