RT8020EPQW データシートの表示（PDF） - Richtek Technology

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RT8020EPQW

Dual High-Efficiency PWM Step-Down DC/DC Converter

Richtek Technology 

RT8020E

Output Current Limit vs. Input Voltage

2.4

VOUT = 1.2V, L = 4.7μH, COUT = 10μF

2.2

2.0

1.8

1.6

1.4

1.2

1.0

2.5

3.0

3.5

4.0

4.5

5.0

Input Voltage (V)

Output Current Limit vs. Temperature

2.6

VOUT = 1.2V, L = 4.7μH, COUT = 10μF

2.4

2.2

VIN = 5V

2.0

1.8

VIN = 3.6V

1.6

1.4

VIN = 2.5V

1.2

1.0

-50 -25

0

25 50 75

Temperature (°C)

100 125

CH1 Power On from EN

VIN = 3.6V, VOUT = 1.2V, IOUT = 10mA

IIN

(500mA/Div)

CH1 Power Off from EN

VIN = 3.6V, VOUT = 1.2V, IOUT = 10mA

IIN

(500mA/Div)

VEN

(2V/Div)

VOUT

(1V/Div)

Time (100μs/Div)

CH1 Power On from EN

VIN = 3.6V, VOUT = 1.2V, IOUT = 1A

IIN

(1A/Div)

VEN

(2V/Div)

VOUT

(1V/Div)

Time (500μs/Div)

VEN

(2V/Div)

VOUT

(1V/Div)

Time (100μs/Div)

CH1 Power Off from EN

VIN = 3.6V, VOUT = 1.2V, IOUT = 1A

IIN

(1A/Div)

VEN

(2V/Div)

VOUT

(1V/Div)

Time (500μs/Div)

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8

DS8020E-02 March 2011

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