RT9167-30GB datasheet(3/10 Pages) RICHTEK

Part #	RT9167-30GB

Description	The RT9167B is a 300mA low dropout and low noise

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Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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RT9167B

3

DS9167B-01 April 2011

www.richtek.com

Absolute Maximum Ratings

(Note1)

Input Voltage --------------------------------------------------------------------------------------------------------------- 8V

EN Input Voltage ---------------------------------------------------------------------------------------------------------- 6V

Power Dissipation, PD @ TA = 25

°C

MSOP-8 -------------------------------------------------------------------------------------------------------------------- 0.823W

Package Thermal Resistance (Note2)

MSOP-8,

θJA --------------------------------------------------------------------------------------------------------------- 120°C/W

Junction Temperature ---------------------------------------------------------------------------------------------------- 150

°C

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

−65°C to 150°C

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

°C

Recommended Operating Conditions

(Note 3)

Supply Input Voltage, VIN ----------------------------------------------------------------------------------------------- 2.7V to 7V

EN Input Voltage ---------------------------------------------------------------------------------------------------------- 2.7V to 5.5V

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

−40°C to 125°C

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

−40°C to 85°C

Electrical Characteristics

(VIN = 5.0V, CIN = 1

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

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

2.9

--

7

Input Voltage Range

VIN

IL = 50mA

2.7

--

7

V

Output Voltage Accuracy

ΔVOUT IL = 1mA

−2

--

2

%

Maximum Output Current

IMAX

300

--

mA

Current Limit

ILIM

RLOAD = 1Ω

400

--

mA

No Load

--

80

150

Quiescent Current

IQ

IOUT = 300mA

--

90

150

μA

IOUT = 1mA

--

1.1

5

IOUT = 50mA

--

55

100

Dropout Voltage

(Note 4)

(VOUT(Normal) = 3V Version)

VDROP

IOUT = 300mA

--

350

450

mV

Line Regulation

ΔVLINE VIN= (VOUT + 0.15) to 7V, IOUT =1mA

--

6

mV/V

Load Regulation

ΔVLOAD IOUT = 0mA to 300mA

--

30

mV

Logic-High VIH

VIN= 3V to 5.5V

1.6

--

EN Input Threshold

Logic-Low

VIL

VIN = 3V to 5.5V

--

0.4

V

EN Bias Current

ISD

--

100

nA

Shutdown Supply Current

IGSD

VOUT = 0V

--

0.01

1

μA

Thermal Shutdown Temperature

TSD

--

155

--

°C

Ripple Rejection

PSRR

F = 100Hz, CBP = 10nF, COUT = 10μF

--

58

--

dB

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