NCP4671DSN09T1G datasheet(3/23 Pages) ONSEMI

Part #	NCP4671DSN09T1G

Description	400 mA, Dual Rail Ultra Low Dropout Linear Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP4671

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THERMAL CHARACTERISTICS

Rating

Symbol

Value

Unit

Thermal Characteristics, XDFN

Thermal Resistance, Junction−to−Air

RqJA

250

°C/W

Thermal Characteristics, SOT23

Thermal Resistance, Junction−to−Air

RqJA

238

°C/W

Thermal Characteristics, SC−70

Thermal Resistance, Junction−to−Air

RqJA

263

°C/W

ELECTRICAL CHARACTERISTICS

−40°C ≤ TA ≤ 85°C, VBIAS = VCE = 3.6 V, VIN = VOUT(NOM) + 0.5 V, IOUT = 1 mA, CBIAS = CIN = 1.0 mF, COUT = 2.2 mF, unless otherwise

noted. Typical values are at TA = +25°C.

Parameter

Test Conditions

Symbol

Min

Typ

Max

Unit

Operating Supply Input Voltage

(Note 3)

VOUT < 0.8 V

VBIAS

2.4

5.25

V

VOUT ≥ 0.8 V

VOUT +

1.6

5.25

Operating Power Input Voltage

(Note 3)

VOUT < 0.8 V

VIN

0.9

VBIAS

V

VOUT ≥ 0.8 V

VOUT +

0.1

VBIAS

Output Voltage

TA = +25 °C

VOUT

−15

+15

mV

TA = −40°C to +85°C

−20

+20

Output Voltage Temp. Coefficient

TA = −40°C to +85°C

±50

ppm/°C

Line Regulation

VBIAS = 2.4V to 5.0V

LineReg

0.02

0.10

%/V

VIN = VOUT + 0.3 V to 2.4 V

0.02

0.10

Load Regulation

IOUT = 1 mA to 400 mA

LoadReg

30

50

mV

Dropout Voltage

Please refer to following detailed table.

Output Current

IOUT

400

mA

Short Current Limit

VOUT = 0 V

ISC

120

mA

Quiescent Current

IOUT = 0 mA

IQ

28

40

mA

Standby Current

VCE = 0 V, TA = 25°C

ISTB

0.1

3

mA

CE Pin Threshold Voltage

CE Input Voltage “H”

VCEH

0.8

V

CE Input Voltage “L”

VCEL

0.3

CE Pull Down Current

IPD

1

mA

VIN Under Voltage Lock Out

IOUT = 1 mA

VIN_UVLO

VOUT +

0.05

VOUT +

0.1

V

Power Supply Rejection Ratio

IOUT = 30 mA, f = 1 kHz, VIN Ripple 0.2 VP−P

PSRR

80

dB

IOUT = 30 mA, f = 1 kHz, VBIAS Ripple

0.2 VP−P

50

Output Noise Voltage

VOUT = 0.6 V, IOUT = 30 mA, f = 10 Hz to

100 kHz

VN

70

mVrms

Low Output Nch Tr. On Resistance

D Version only, VBIAS = 3.6 V, VCE = “L“

RLOW

50

W

3. If Input Voltage range is between 5.25 V and 5.50 V, the total operational time must be within 500 hrs.

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