AAT1120 Ver la hoja de datos (PDF) - Advanced Analogic Technologies

Número de pieza

componentes Descripción

Fabricante

AAT1120

500mA Step-Down Converter

Advanced Analogic Technologies 

Typical Characteristics

P-Channel RDS(ON) vs. Input Voltage

1000

900

120°C 100°C

800

85°C

700

600

500

25°C

400

300

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

Input Voltage (V)

Load Transient Response

(1mA to 500mA; VIN = 3.6V; VOUT = 1.8V;

COUT = 4.7µF; CFF = 100pF)

2.2

2.0

1.8

1.6

VO

1.4

IO

1.2

1.0

0.8

ILX

0.6

Time (25µs/div)

Line Response

(VOUT = 1.8V @ 500mA)

1.90

7.0

1.85

VO

6.5

1.80

6.0

1.75

5.5

1.70

5.0

1.65

VIN

4.5

1.60

4.0

1.55

3.5

1.50

3.0

Time (25µs/div)

AAT1120

500mA Step-Down Converter

N-Channel RDS(ON) vs. Input Voltage

750

700

120°C

650

100°C

600

85°C

550

500

450

400

350

25°C

300

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

Input Voltage (V)

Load Transient Response

(350mA to 500mA; VIN = 3.6V; VOUT = 1.8V;

COUT = 4.7µF; CFF = 100pF)

2.0

1.9

VO

1.8

1.7

IO

1.6

1.5

1.4

1.3

1.2

ILX

1.1

1.0

Time (25µs/div)

1120.2007.01.1.0

7

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