RT9005A 데이터 시트보기 (PDF) - Richtek Technology

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RT9005A

DDR VDDQ and Termination Voltage Regulator

Richtek Technology 

RT9005A/B

Preliminary

Typical Operating Characteristics

Output Voltage vs. Temperature

3.0

VIN1 = VIN2 = VCNTL = 3.3V

2.5

VOUT1 = 2.5V

VIN2 Current vs. Temperature

5

VIN2 = 1.8V, VCNTL = 3.3V

4.5

VIN2 = 1.8V, VCNTL = 5V

VIN2 = 2.5V, VCNTL = 3.3V

VIN2 = 2.5V, VCNTL = 5V

4

2.0

3.5

1.5

VOUT1 = 1.25V

1.0

-50 -25

0

25 50 75

Temperature (°C)

100 125

3

VIN2 = 1.5V, VCNTL = 5V

2.5

VIN2 = 1.5V, VCNTL = 3.3V

2

-50 -25

0

25 50 75

Temperature (°C)

100 125

VCNTL Current vs. Temperature

0.6

0.55

VIN2 = 1.8V, VCNTL = 3.3V

VIN2 = 1.8V, VCNTL = 5V

VIN2 = 2.5V, VCNTL = 3.3V

VIN2 = 2.5V, VCNTL = 5V

0.5

0.45

0.4

0.35

VIN2 = 1.5V, VCNTL = 5V

VIN2 = 1.5V, VCNTL = 3.3V

0.3

-50 -25

0

25 50 75

Temperature (°C)

100 125

VOUT1 Short Circuit

REFEN Threshold vs. Temperature

0.6

0.55

0.5

VCNTL = 5V, Turn On

VCNTL = 5V, Turn Off

0.45

0.4

0.35

0.3

VCNTL = 3.3V, Turn On

VCNTL = 3.3V, Turn Off

0.25

-50 -25

0

25 50 75

Temperature (°C)

100 125

VOUT2 Short Circuit

VOUT1

(1V/Div)

VOUT2

(1V/Div)

IOUT1

(1A/Div)

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6

VIN1 = VIN2 = VCNTL = 3.3V

Time (1ms/Div)

IOUT2

(2A/Div)

VIN1 = VIN2 = VCNTL = 3.3V

Time (1ms/Div)

DS9005A/B-01 September 2007

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