RT7297C datasheet(7/15 Pages) RICHTEK

Teilenummer	RT7297C

Bauteilbeschribung	3A, 18V, 800kHz Synchronous Step-Down Converter

PDF	15 Pages

Scroll/Zoom	100%

Hersteller	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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7 / 15 page

RT7297C

DS7297C-01

September 2012

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Typical Operating Characteristics

Switching Frequency vs. Temperature

700

720

740

760

780

800

-50-25

75100

125

Temperature (°C)

VOUT = 3.3V, IOUT = 1A

VIN = 12V

VIN = 5V

Switching Frequency vs. Input Voltage

750

760

770

780

790

800

1012

1416

Input Voltage (V)

VOUT = 3.3V, IOUT = 1A

Output Voltage vs. Temperature

3.25

3.30

3.35

3.40

3.45

-50-25

75100

125

Temperature (°C)

VIN = 12V, VOUT = 3.3V, IOUT = 0A

Output Voltage vs. Input Voltage

3.25

3.27

3.29

3.31

3.33

3.35

1012

1416

Input Voltage (V)

VIN = 4.5V to 17V, VOUT = 3.3V, IOUT = 0.6A

Efficiency vs. Output Current

100

0.01

0.1

Output Current (A)

VOUT = 3.3V

VIN = 12V

VIN = 17V

Output Voltage vs. Output Current

3.10

3.15

3.20

3.25

3.30

3.35

3.40

3.45

3.50

0.0

0.5

1.0

1.5

2.0

2.5

3.0

Output Current (A)

VOUT = 3.3V

VIN = 5V

VIN = 12V

VIN = 17V

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