RT9182ACE datasheet(3/10 Pages) RICHTEK

3 / 10 page

Preliminary

RT9182

DS9182-02 April 2002

www.richtek-ic.com.tw

Absolute Maximum Ratings

Input Voltage

Power Dissipation, PD @ TA = 25

°C

SOT-26

748mW

Junction Temperature Range

-40

°C ~ 125°C

Storage Temperature Range

-65

°C ~ 150°C

Operating Temperature Range

-40

°C ~ 85°C

Lead Temperature (Soldering, 10 sec.)

260

°C

Electrical Characteristics

(VIN = 3.6V, CIN = COUT = 2.2

µF, SHDN = VIN, typical values at TA = 25°C, for each LDO unless otherwise specified.)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Input Voltage Range

VIN

2.7

6.5

Output Voltage Accuracy

(Load Regulation)

∆VOUT IL = 1mA to 200mA

-2

Maximum Output Current

IMAX

Continuous

200

Current Limit

ILIMIT

RLOAD = 1

Ω

200

550

No Load

165

260

µA

GND Pin Current

IOUT = 100mA (Both LDOs)

165

260

µA

IOUT = 1mA

1.2

IOUT = 100mA

120

Dropout Voltage

(Note)

VDROP

IOUT = 200mA

255

Line Regulation

∆VLINE

VIN = (VOUT +0.4V or 2.7V) to 6.5V

IOUT = 1mA

-0.2

+0.2

%/V

SHDN Input High Threshold

VIH

VIN = 2.7V to 6.5V

1.6

SHDN Input Low Threshold

VIL

VIN = 2.7V to 6.5V

0.4

SHDN Input Bias Current

ISD

SHDN = GND or VIN

100

Shutdown Supply Current

IGSD

SHDN = GND

0.01

µA

Thermal Shutdown Temperature

140

°C

Thermal Shutdown Hysteresis

TSD

°C

Output Voltage Noise

eNO

10Hz to 100kHz, CBP = 10nF

COUT = 4.7

µF, ILOAD = 1mA

µVRMS

Output Voltage AC PSRR

100Hz, CBP = 10nF, COUT = 4.7

µF

ILOAD = 100mA

Note : Dropout voltage definition: VIN – VOUT when VOUT is 50mV below the value of VOUT (normal)

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