RS7213-285UHFSCG datasheet(4/9 Pages) ORISTER

Part #	RS7213-285UHFSCG

Description	300mA High Speed, Low Noise LDO with Fast Enable and Fast Discharge Function

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Manufacturer	ORISTER [Orister Corporation]

Direct Link	http://www.orister.com

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DS‐RS7213‐02 September, 2009

www.Orister.com

Electrical Characteristics (VIN=5V, TA=25°C, unless otherwise specified)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

VIN

Input Voltage ‐

1.8 ‐

5.5

V

VIN=VOUT+1.0V, IOUT=1mA,

VOUT≧1.8V

‐2%

+2%

V

VOUT

Output Voltage

VIN=VOUT+1.0V, IOUT=1mA,

VOUT＜1.8V, VIN＞2.4V

‐35

VOUT

+35

mV

IMAX

Output Current (see NOTE 1)

VOUT+1.0V≦VIN≦5.5V, VIN≧2.4V

300 ‐

‐

mA

VDROP

Dropout Voltage

IOUT=300mA, VOUT＞2.0V

‐

300

500

mV

ΔVLINE

Line Regulation

VOUT+1.0V≦VIN≦5.5V, IOUT=1mA ‐

0.2

0.3

%/V

ΔVLOAD

Load Regulation

VIN=VOUT+1V, 1mA≦IOUT≦100mA ‐

0.01

0.02

%/mA

IQ

Ground Pin Current

ILOAD=0mA to 300mA, VIN=VOUT+1V ‐

30

50

uA

ISD

Shutdown Current

VIN=VOUT+1V, EN=0V, No Load ‐

0.7

1.0

uA

ISC

Short Circuit Current ‐

‐

70 ‐

mA

PSRR

Ripple Rejection

IOUT=30mA, F=1KHz, COUT=1uF ‐

70 ‐

dB

eN

Output Noise

IOUT=100mA , F=1KHz, COUT=1uF ‐

40 ‐

uV(rms)

VIH

EN Pin Input Voltage “H”

VIN≦5.0V

1.6 ‐

‐

V

VIL

EN Pin Input Voltage “L”

VIN≦5.0V ‐

‐

0.3

V

RDIS

Discharge Resistor

VEN=0V ‐

30

100 Ω

TDIS

Discharge Time

VOUT=3.3V to 0V, COUT=1uF ‐

70

100

us

TC

Temperature Characteristics

IOUT=1mA, ‐25°C≦TOPR≦+85°C ‐

±100 ‐

ppm/

oC

TSD

Thermal Shutdown Temperature ‐

‐

150 ‐

oC

THYS

Thermal Shutdown Hysteresis ‐

‐

30 ‐

oC

NOTES：

1

Measured using a double sided board with 1” x 2” square inches of copper area connected to the GND pins for “heat spreading”.

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