RT8015B 查看數據表（PDF） - Richtek Technology

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RT8015B

3A, 2MHz, Synchronous Step-Down Converter

Richtek Technology 

RT8015B

Output Voltage vs. Temperature

3.34

3.32

3.30

3.28

3.26

3.24

3.22

-50 -25

0

25 50 75

Temperature (°C)

VIN = 5V

100 125

VOUT

(1V/Div)

VLX

(5V/Div)

ILX

(5A/Div)

PGOOD

(5V/Div)

Load Transient Response

VOUT_ac

(100mV/Div)

VIN = 5V, VOUT = 2.5V

IOUT = 0A to 3A

VLX

(5V/Div)

VOUT_ac

(10mV/Div)

UVP

VIN = 5V, VOUT = 1.05V

Time (4μs/Div)

Output Ripple

ILOAD

(1A/Div)

VIN

(5V/Div)

VLX

(5V/Div)

VOUT

(1V/Div)

PGOOD

(5V/Div)

Time (100μs/Div)

Start up with No Load

VIN = 5V, VOUT = 10.5V, IOUT = 0A

Time (400μs/Div)

ILX

(2A/Div)

VIN

(5V/Div)

VLX

(5V/Div)

VOUT

(1V/Div)

PGOOD

(5V/Div)

VIN = 5V, VOUT = 2.5V

IOUT = 3A

Time (400ns/Div)

Start up with Heavy Load

VIN = 5V, VOUT = 1.05V, IOUT = 3A

Time (400μs/Div)

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8

DS8015B-04 March 2011

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