AS1332 datasheet(7/19 Pages) AMSCO

Nome de Peças	AS1332

Descrição Electrónicos	650mA, Step-Down DC-DC Converter for RF Power Amplifiers

PDF	19 Pages

Scroll/Zoom	100%

Fabricante Electrônico	AMSCO [ams AG]

Página de início	http://www.ams.com

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Revision 1.01

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AS1332

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. VOUT vs. Temp; VIN = 3.6V, VOUT = 1.3V

Figure 8. VOUT vs. Temp; VIN = 3.6V, VOUT = 3.16V

1.25

1.26

1.27

1.28

1.29

1.3

1.31

1.32

1.33

1.34

1.35

-40

-15

Temperature (°C)

Iout=50mA

Iout=300mA

Iout=650mA

3.1

3.11

3.12

3.13

3.14

3.15

3.16

3.17

3.18

3.19

3.2

-40

-15

Temperature (°C)

Iout=50mA

Iout=300mA

Iout=650mA

Figure 9. Switch Peak Current Limit vs. Temp.

Figure 10. VCON vs. VOUT; VIN = 4.2V, RLOAD = 8

1.05

1.1

1.15

1.2

-40

-15

Temperature (°C)

Vi n=2.7V

Vi n=3.6V

Vi n=5.5V

1.5

2.5

3.5

00.5

11.5

VCON Voltage (V)

- 45°C

+25°C

+90°C

Figure 11. Efficiency vs. VOUT; VIN = 3.6V

Figure 12. Efficiency vs. IOUT; VOUT = 1.3V

100

11.5

22.5

33.5

Output Voltage (V)

Rl oad=5Ohm

Rl oad=10Ohm

Rl oad=15Ohm

100

200

300

400

500

600

700

800

Output Current (mA)

Vi n=2.7V

Vi n=3.25V

Vi n=3.6V

Vi n=4.2V

Vi n=5.5V

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