RT9073 datasheet(4/14 Pages) RICHTEK

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RT9073

DS9073-02 March 2015

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Electrical Characteristics

Recommended Operating Conditions

(Note 4)



Input Voltage, VIN --------------------------------------------------------------------------------------------------------- 1.2V to 5.5V



Junction Temperature Range --------------------------------------------------------------------------------------------

−40°C to 125°C



Ambient Temperature Range --------------------------------------------------------------------------------------------

−40°C to 85°C

Absolute Maximum Ratings

(Note 1)



VIN, VOUT, SNS, EN to GND -------------------------------------------------------------------------------------------

−0.3V to 6.5V



VOUT to VIN ----------------------------------------------------------------------------------------------------------------

−6.5V to 0.3V



Power Dissipation, PD @ TA = 25

°C

SOT-23-5 -------------------------------------------------------------------------------------------------------------------- 0.45W

SC-70-5 ---------------------------------------------------------------------------------------------------------------------- 0.29W



Package Thermal Resistance (Note 2)

SOT-23-5,

θJA --------------------------------------------------------------------------------------------------------------- 218.1°C/W

SC-70-5,

θJA ---------------------------------------------------------------------------------------------------------------- 342.3°C/W



Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260

°C



Junction Temperature ----------------------------------------------------------------------------------------------------- 150°C



Storage Temperature Range --------------------------------------------------------------------------------------------

−65°C to 150°C



ESD Susceptibility (Note 3)

HBM (Human Body Model) ---------------------------------------------------------------------------------------------- 2kV

MM (Machine Model) ------------------------------------------------------------------------------------------------------ 200V

(VOUT + 1 < VIN < 5.5V, TA = 25

°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Output Voltage Range

VOUT

0.9

3.3

DC Output Accuracy

ILOAD = 1mA

2

Dropout Voltage

(ILOAD = 50mA)

(Note 5)

VDROP

0.9V

 VOUT  1.2V

0.5

0.65

1.2V

 VOUT  1.5V

0.3

0.4

1.5V

 VOUT  1.8V

0.2

0.24

1.8V

 VOUT  2.5V

0.15

0.18

2.5V

 VOUT  3V

0.1

0.15

 VOUT

0.08

0.12

Dropout Voltage

(ILOAD = 250mA)

(Note 5)

VDROP

0.9V

 VOUT  1.2V

1.25

1.45

1.2V

 VOUT  1.5V

1.2

1.5V

 VOUT  1.8V

0.81

0.9

1.8V

 VOUT  2.5V

0.68

0.8

2.5V

 VOUT  3V

0.51

0.6

 VOUT

0.45

0.6

VCC Consumption Current

ILOAD = 0mA, VOUT ≦ 5.5V

A

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