DR73-4R7-R datasheet(7/19 Pages) SKYWORKS

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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

201998B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013

AAT1162

12V, 1.5A Step-Down DC/DC Converter

DATA SHEET

Typical Characteristics

Test circuit of Figure 2, unless otherwise specified.

Line Transient

(VOUT = 5.0V; CFF = 100pF; VIN = 7.6V to 11V;

IOUT = 1.5A; CIN = 10µF; COUT = 22µF; L = 3.8µH)

Time (100µs/div)

4.90

4.95

5.00

5.05

5.10

5.15

5.20

5.25

5.30

Load Transient

(VOUT = 3.3V; CFF = 100pF; COUT = 66µF)

Time (50µs/div)

2.2

2.4

2.6

2.8

3.2

3.4

3.6

10mA

1.5A

Load Transient

(VOUT = 3.3V; COUT = 66µF; No CFF)

Time (50µs/div)

2.2

2.4

2.6

2.8

3.2

3.4

3.6

10mA

1.5A

Load Transient

(VOUT = 5V; CFF = 100pF; COUT = 66µF)

Time (50µs/div)

3.3

3.6

3.9

4.2

4.5

4.8

5.1

5.4

10mA

1.5A

Load Transient

(VOUT = 5V; COUT = 66µF; No CFF)

Time (50µs/div)

3.3

3.6

3.9

4.2

4.5

4.8

5.1

5.4

10mA

1.5A

OUT vs. Temperature

(VOUT = 3.3V; ILOAD = 1.5A)

Temperature (°C)

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

-40 -30 -20 -10

10203040 50607080

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