NCP580_06 datasheet(2/9 Pages) ONSEMI

Part #	NCP580

Description	Ultra?묯ast, Low Noise 120 mA CMOS LDO Regulator with Enable

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NCP580

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PIN FUNCTION DESCRIPTION

Symbol

Description

1

Vout

Regulated output voltage.

2

GND

Power supply ground.

3

CE

Chip enable pin.

4

Vin

Power supply input voltage.

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Input Voltage

Vin

6.5

V

Input Voltage (CE or CE Pin)

VCE

−0.3 to Vin +0.3

V

Output Voltage

Vout

−0.3 to Vin +0.3

V

Output Current

Iout

140

mA

Power Dissipation

PD

150

mW

Operating Junction Temperature Range

TJ

−40 to +85

°C

Storage Temperature Range

Tstg

−55 to +150

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

ELECTRICAL CHARACTERISTICS (Vin = Vout + 1.0 V, TA = 25°C, unless otherwise noted.)

Characteristic

Symbol

Min

Typ

Max

Unit

Input Voltage

Vin

2.2

−

6.0

V

Output Voltage (Iout = 1.0 mA to 30 mA)

Vout

Vout X

0.985

−

Vout X

1.015

V

Line Regulation (Iout = 30 mA)

(Vout + 0.5 V v Vin v 6.0 V)

(Vout = 1.5 V, 2.2 V v Vin v 6.0 V)

Regline

−

0.02

0.10

%/V

Load Regulation (Iout = 1.0 mA to 120 mA)

Regload

−

12

40

mV

Dropout Voltage (Iout = 120 mA)

Vout = 1.5 V

Vout = 1.8 V

Vout = 2.5 V

2.8 V

v Vout v 3.3 V

VDO

−

0.36

0.28

0.24

0.18

0.70

0.40

0.35

0.28

V

Quiescent Current (Iout = 0 mA)

Iq

−

90

160

mA

Output Current

Iout

120

−

mA

Shutdown Current (Vin = VCE)

ISD

0.1

1.0

mA

Output Short Circuit Current (Vout = 0)

Ilim

−

40

−

mA

Ripple Rejection (Iout = 30 mA)

f = 1.0 kHz

(Vout = 1.5 V, Vin – Vout = 1.2 V)

(Vout w 2.5 V, Vin – Vout = 1.0 V)

RR

−

75

70

−

dB

Enable Input Threshold Voltage

High

Low

Vthenh

Vthenl

1.5

0

−

Vin

0.3

V

Output Noise Voltage (Bandwidth = 10 Hz to 100 kHz)

Vn

−

30

−

mVrms

Output Voltage Temperature Coefficient

(Iout = 30 mA, −40°C v TA v 85°C)

DVout/DT

−

"100

−

ppm/

°C

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