RT9730 datasheet(5/9 Pages) RICHTEK

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RT9730

DS9730-01 April 2011

www.richtek.com

Typical Operating Characteristics

Supply Current vs. Temperature

100

120

-40 -25 -10

35 50

95 110 125

Temperature

ACIN = 5V, OUT = Open,

CHRIN = Open, GATDRV = 5V

(

°C)

RDS(ON) vs. Temperature

0.1

0.2

0.3

0.4

0.5

0.6

-40 -25 -10

95 110 125

Temperature

ACIN = 5V, OUT = 500mA,

CHRIN = Open, GATDRV = 0V

(

°C)

CHRIN RDS(ON) vs. Temperature

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

-40 -25 -10

95 110 125

Temperature

ACIN = 5V, OUT = Open,

CHRIN = 50mA, GATDRV = 5V

(

°C)

OUT RDS(ON) vs. Input Voltage

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

2.7

3.1

3.5

3.9

4.3

4.7

Input Voltage (V)

ACIN = 5V, OUT = 500mA,

CHRIN = Open, GATDRV = 0V

OUT Current vs. GATDRV Voltage

100

150

200

250

300

350

400

450

500

2.5

2.7

2.9

3.1

3.3

3.5

3.7

GATDRV Voltage (V)

ACIN = 4.5V, RLOAD = 9.1

CHRIN RDS(ON) vs. Input Voltage

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

2.73.1

3.53.9

4.34.7

Input Voltage (V)

ACIN = 5V, OUT = Open,

CHRIN = 50mA, GATDRV = 5V

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