AAT1157 Ver la hoja de datos (PDF) - Analog Technology Inc

Número de pieza

componentes Descripción

Fabricante

AAT1157

1MHz 1.2A Buck DC/DC Converter

Analog Technology Inc 

Typical Characteristics

Soft Start

(VOUT = 2.5V; IOUT = 1.2A; VIN = 3.6V)

6.0

3.5

4.0

3.0

2.0

2.5

0.0

2.0

-2.0

1.5

-4.0

1.0

-6.0

0.5

-8.0

0.0

-10.0

-0.5

Time (250µs/div)

Line Transient

(IOUT = 1.2A; VO = 2.5V)

4.4

0.24

4.2

0.20

4.0

0.16

3.8

0.12

3.6

0.08

3.4

0.04

3.2

0.00

3.0

-0.04

2.8

-0.08

Time (25µs/div)

AAT1157

1MHz 1.2A Buck DC/DC Converter

Output Ripple

(VOUT = 2.5V; IOUT = 1.2A; VIN = 3.6V)

0.02

3

0.01

2.5

0

-0.01

2

-0.02

1.5

-0.03

1

-0.04

0.5

-0.05

-0.06

0

Time (500ns/div)

Load Transient Response

(400mA-1.2A; VIN = 3.3V; VOUT = 2.5V)

0.08

0.05

0.02

-0.01

-0.04

-0.07

-0.10

-0.13

-0.16

4.0

3.5

3.0

2.5

2.0

1.2A

1.5

1.0

400mA

0.5

0.0

Time (20µs/div)

6

1157.2005.11.1.4

Share Link: