CAT6218-320TDGT3 datasheet(3/9 Pages) ONSEMI

Part #	CAT6218-320TDGT3

Description	300 mA CMOS LDO Regulator

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Table 3. ELECTRICAL OPERATING CHARACTERISTICS (Note 3)

(VIN = VOUT + 1.0 V, VEN = High, IOUT = 100 mA, CIN = COUT = 1 mF, ambient temperature of 25°C (over recommended operating

conditions unless specified otherwise). Bold numbers apply for the entire junction temperature range.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VOUT−ACC

Output Voltage Accuracy

Initial accuracy for VOUT ≥ 2.0 V

(Note 6)

−1.0

+1.0

%

−2.0

+2.0

TCOUT

Output Voltage Temp. Coefficient

40

ppm/°C

VR−LINE

Line Regulation

VIN = VOUT + 1.0 V to 5.5 V

−0.2

±0.1

+0.2

%/V

−0.4

+0.4

VR−LOAD

Load Regulation

IOUT = 100 mA to 300 mA

0.7

1.2

%

1.5

VDROP

Dropout Voltage (Note 4)

IOUT = 300 mA

180

250

mV

300

IGND

Ground Current

IOUT = 0 mA

55

75

mA

90

IOUT = 300 mA

80

IGND−SD

Shutdown Ground Current

VEN < 0.4 V

1

mA

2

PSRR

Power Supply Rejection Ratio

f = 1 kHz, CBYP = 10 nF

64

dB

f = 20 kHz, CBYP = 10 nF

54

ISC

Output short circuit current limit

VOUT = 0 V

180

mA

TON

Turn−On Time

CBYP = 10 nF

150

ms

eN

Output Noise Voltage (Note 5)

BW = 10 Hz to 100 kHz

45

mVrms

ROUT−SH

Shutdown Switch Resistance

250

W

REN

Enable pull−down resistor

2.5

MW

VUVLO

Under−voltage lock out (UVLO)

threshold

2.1

V

ESR

COUT equivalent series resistance

5

500

mW

ENABLE INPUT

VHI

Logic High Level

VIN = 2.3 to 5.5 V

1.8

V

VIN = 2.3 to 5.5 V, 0°C to +125°C

junction temperature

1.6

VLO

Logic Low Level

VIN = 2.3 to 5.5 V

0.4

V

IEN

Enable Input Current

VEN = 0.4 V

0.15

1

mA

VEN = VIN

1.5

4

THERMAL PROTECTION

TSD

Thermal Shutdown

160

°C

THYS

Thermal Hysteresis

10

°C

3. Specification for 2.80 V output version unless specified otherwise.

4. Dropout voltage is defined as the input−to−output differential at which the output voltage drops 2% below its nominal value. During test, the

input voltage stays always above the minimum 2.3 V.

5. Specification for 1.8 V output version.

6. For VOUT < 2.0 V, the initial accuracy is ±2% and across temperature ±3%.

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