RT8020 datasheet(7/14 Pages) RICHTEK

No. de pieza	RT8020

Descripción Electrónicos	Dual High-Efficiency PWM Step-Down DC-DC Converter

PDF	14 Pages

Scroll/Zoom	100%

Fabricante Electrónico	RICHTEK [Richtek Technology Corporation]

Página de inicio	http://www.richtek.com

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7 / 14 page

RT8020

DS8020-03 August 2007

www.richtek.com

Output Current Limit vs. Temperature

1.4

1.5

1.6

1.7

1.8

1.9

2.0

2.1

2.2

2.3

2.4

-40 -25 -10

95 110 125

Temperature (

°C)

VOUT = 1.2V

VIN = 5.0V

VIN = 3.6V

VIN = 3.3V

Switching Frequency vs. Temperature

1.2

1.25

1.3

1.35

1.4

1.45

1.5

1.55

1.6

-40 -25 -10

95 110 125

Temperature

VIN = 3.6V, VOUT = 1.2V, IOUT = 300mA

(

°C)

Output Voltage vs. Loading Current

1.180

1.185

1.190

1.195

1.200

1.205

1.210

1.215

1.220

1.225

1.230

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.91

Loading Current (A)

VIN = 5.0V

VIN = 3.6V

Output Voltage vs. Temperature

1.15

1.16

1.17

1.18

1.19

1.20

1.21

1.22

1.23

1.24

1.25

-40 -25 -10

95 110 125

Temperature

VIN = 3.6V, IOUT = 0A

(

°C)

Switching Frequency vs. Input Voltage

1.20

1.25

1.30

1.35

1.40

1.45

1.50

1.55

1.60

2.5

2.8

3.1

3.4

3.74

4.3

4.6

4.9

5.2

5.5

Input Voltage (V)

VIN = 3.6V, VOUT = 1.2V, IOUT = 300mA

Output Current Limit vs. Input Voltage

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2.0

2.1

2.2

2.3

2.4

2.5

2.8

3.1

3.4

3.7

4.3

4.6

4.9

5.2

5.5

Input Voltage (V)

VOUT = 1.2V @ TA = 25

°C

RT8020 Datasheet(PDF) 7 Page - Richtek Technology Corporation

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