RT9176 datasheet(6/13 Pages) RICHTEK | 1.5A Fixed and Adjustable Low Dropout Positive Voltage Regulators

6 page

RT9176

DS9176-11 March 2007

www.richtek.com

Typical Operating Characteristics

Output Voltage vs. Temperature

1.4

1.8

2.2

2.6

3.4

-50

-25

100

125

Temperature

(°C)

VIN = 5V

CIN

= 10uF Electrolytic

CO = 10uF Tantalum

RL =

∞

VOUT = 3.3V

VOUT = 2.5V

VOUT = 1.5V

Reference Voltage vs. Temperature

1.23

1.24

1.25

1.26

1.27

-50

-25

100

125

Temperature

(°C)

VIN = 5V

CIN

= 10uF Electrolytic

CO = 10uF Tantalum

R1 = R2 = 100

RL =

∞

ADJ Pin Current vs. Temperature

-50

-25

100

125

Temperature (°C)

VIN = 5V

CIN

= 10uF Electrolytic

CO = 10uF Tantalum

R1 = R2 = 100

RL = ∞

Current Limit vs. Input Voltage

0.5

1.5

2.5

Input Voltage (V)

CIN

= 10uF Electrolytic

CO = 10uF Tantalum

VOUT = 2.5V, RL = 1

Current Limit vs. Temperature

1.5

1.6

1.7

1.8

1.9

-50

-25

100

125

Temperature

(°C)

VIN = 5V

CIN

= 10uF Electrolytic

CO = 10uF Tantalum

VOUT = 2.5V, RL = 1

Quiescent Current vs. Temperature

-50

-25

100

125

Temperature

(°C)

VIN = 5V

CIN

= 10uF Electrolytic

CO = 10uF Tantalum

RL =

∞

VOUT = 2.5V

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