RT9002C datasheet(3/11 Pages) RICHTEK

3 / 11 page

RT9002A/B/C

DS9002ABC-04 April 2011

www.richtek.com

Absolute Maximum Ratings

(Note 1)

Supply Input Voltage ------------------------------------------------------------------------------------------------ 6V

Package Thermal Resistance (Note 2)

SOP-8,

θJA ------------------------------------------------------------------------------------------------------------ 110°C/W

Power Dissipation, PD @ TA = 25

°C

SOP-8 ------------------------------------------------------------------------------------------------------------------ 0.909W

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 Mode) ----------------------------------------------------------------------------------------- 2kV

MM (Machine Mode) ------------------------------------------------------------------------------------------------ 200V

Electrical Characteristics

Recommended Operating Conditions

(Note 4)

Supply Input Voltage ------------------------------------------------------------------------------------------------ 2.5V to 5.5V

Chip Enable Input Voltage ----------------------------------------------------------------------------------------- 0V to 5.5V

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

−40°C to 125°C

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

−40°C to 125°C

(VIN = VOUT + 1V, whichever is greater, CIN = 1

μF, COUT = 1μF, TA = 25°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Regulator 1

RT9002A

2.45

2.5

2.55

RT9002B

1.47

1.5

1.53

Output Voltage

Accuracy

RT9002C

ΔVOUT1

IOUT1 = 30mA

2.45

2.5

2.55

Maximum Output Current

IOUT1_MAX

240

Load Regulation

(Note 5)

ΔVLOAD1

1mA

< IOUT1 < 100mA

VDROP1_1 IOUT1 = 30mA

Dropout Voltage

(Note 6)

VDROP1_2 IOUT1 = 100mA

150

Quiescent Current

(Note 7)

IQ1

VIN1 = VEN1 = 3.5V,

IOUT1 = 0mA

μA

Standby Current

ISTB1

VIN1 = 3.5V, VEN1 = 0V

0.1

μA

Line Regulation

ΔVLINE1

VIN1 = 3.5V to 5.5V,

VIN1 = VEN1, IOUT1 = 30mA

0.01

0.2

%/V

Power Supply Rejection Rate

PSRR1

f = 100Hz, IOUT1 = 100mA

−60

Current Limit

ILIM1

VIN1 = VEN1 = 5V

450

Logic-Low

VIL

0.6

EN Threshold Voltage

Logic-High

VIH

1.8

Thermal Shutdown Protection

TSD1

170

°C

To be continued

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