AS1332 Ver la hoja de datos (PDF) - austriamicrosystems AG

Número de pieza

componentes Descripción

Fabricante

AS1332

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

austriamicrosystems AG 

AS1332

Datasheet - Typical Operating Characteristics

Figure 24. RDSON (N-Chanel) vs. Temp.; ISW=-200mA

350

Figure 25. EN High Threshold vs. VIN

1.2

300

1.1

250

200

150

lid 100

Vi n=2.7V

50

Vi n=3.6V

a Vin=5.5V

0

v -40

-15

10

35

60

85

Temperature (°C)

1

0.9

0.8

- 45°C

+25°C

+90°C

0.7

2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5

Supply Voltage (V)

till Figure 26. VCON Threshold min vs. VIN

0.52

G s 0.518

0.516

A t 0.514

s n 0.512

0.51

m te 0.508

0.506

a n 0.504

0.502

o 0.5

c 2.7 3.1 3.5 3.9 4.3 4.7

Supply Voltage (V)

- 45°C

+25°C

+90°C

5.1 5.5

Figure 27. VCON Threshold max vs. VIN

1.27

1.268

1.266

1.264

1.262

1.26

1.258

1.256

1.254

-45°C

1.252

+25°C

+90°C

1.25

2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5

Supply Voltage (V)

al Figure 28. VFB min vs. VIN; VCON = 0.4V, RLOAD = 10Ω

ic 1.39

Figure 29. VFB max vs. VIN; VCON = 0.4V, RLOAD=10Ω

3.2

1.36

n 1.33

h 1.3

ec 1.27

T1.24

- 45°C

3.18

3.16

3.14

3.12

- 45°C

+ 25°C

+ 25°C

+ 90°C

+ 90°C

1.21

3.1

2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5

Supply Voltage (V)

3

3.5

4

4.5

5

5.5

Supply Voltage (V)

www.austriamicrosystems.com/DC-DC_Step-Down/AS1332

Revision 1.02

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