RT9055 datasheet(5/9 Pages) RICHTEK

Part #	RT9055

Description	300mA Dual LDO Regulator

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Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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RT9055

5

DS9055-00 March 2012

www.richtek.com

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is a registered trademark of Richtek Technology Corporation.

Typical Operating Characteristics

Quiescent Current vs. Temperature

0

10

20

30

40

50

60

70

80

-50

-25

0

25

50

75

100

125

Temperature (°C)

VIN = 3.7V, No Load

Output Voltage vs. Temperature

1.12

1.13

1.14

1.15

1.16

1.17

1.18

1.19

1.20

1.21

1.22

-50

-25

0

255075

100

125

Temperature (°C)

VIN = 3.7V, No Load

Dropout Voltage vs. Load Current

0

20

40

60

80

100

120

140

0

50

100

150

200

250

300

Load Current (mA)

VOUT = 3.3V

125

°C

25

°C

−40°C

Line Transient Response

Time (100

μs/Div)

VIN

(2V/Div)

VIN = 2.8V to 4.2V, ILOAD = 1mA

VOUT

(20mV/Div)

Line Transient Response

Time (100

μs/Div)

VIN

(2V/Div)

VIN = 2.8V to 4.2V, ILOAD = 100mA

VOUT

(20mV/Div)

Line Transient Response

Time (100

μs/Div)

VIN

(2V/Div)

VIN = 2.8V to 4.2V, ILOAD = 10mA

VOUT

(20mV/Div)

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