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NCP4587

150 mA, Tri-Mode, LDO Linear Voltage Regulator

ON Semiconductor 

NCP4587

THERMAL CHARACTERISTICS

Rating

Thermal Characteristics, XDFN

Thermal Resistance, Junction−to−Air

Thermal Characteristics, SOT23

Thermal Resistance, Junction−to−Air

Thermal Characteristics, SC−70

Thermal Resistance, Junction−to−Air

Symbol

RqJA

RqJA

RqJA

Value

250

238

263

Unit

°C/W

°C/W

°C/W

ELECTRICAL CHARACTERISTICS

−40°C ≤ TA ≤ 85°C; VIN = VOUT(NOM) + 1 V or 2.5 V, whichever is greater; IOUT = 1 mA, CIN = COUT = 0.47 mF, unless otherwise noted.

Typical values are at TA = +25°C.

Parameter

Test Conditions

Symbol

Min

Typ

Max Unit

Operating Input Voltage

VIN

1.4

5.25

V

Output Voltage

Output Voltage Temp.

Coefficient

TA = +25 °C,

IOUT = 5 mA

VOUT > 2 V

VOUT ≤ 2 V

−40°C ≤ TA ≤ 85°C,

IOUT = 5 mA

VOUT > 2 V

VOUT ≤ 2 V

TA = −40 to 85°C

VOUT

x0.99

x1.01

V

−20

20

mV

x0.975

x1.015

V

−50

30

mV

±50

ppm/°C

Line Regulation

VIN = VOUT + 0.5 V to

5 V, VIN ≥ 1.4 V

IOUT = 1 mA,

(Low Power Mode)

IOUT = 10 mA,

(Fast Mode)

LineReg

0.50

%/V

0.02 0.20

Load Regulation

IOUT = 1 mA to 10 mA

VOUT > 2.0 V

VOUT ≤ 2.0 V

IOUT = 10 mA to 150 mA

LineReg

−1.0

−20

18

1.0

%

20

mV

40

mV

Dropout Voltage

Output Current

IOUT = 150 mA

0.8 V ≤ VOUT < 0.9 V

VDO

0.9 V ≤ VOUT < 1.0 V

1.0 V ≤ VOUT < 1.5 V

1.5 V ≤ VOUT < 2.6 V

2.6 V ≤ VOUT < 4.0 V

IOUT

(Note 3) V

(Note 3)

0.24

0.4

0.19 0.25

0.12 0.18

150

mA

Short Current Limit

Quiescent Current

Supply Current

Standby Current

Fast Mode Switch−Over Current

Low Power Switch−Over

Current

VOUT = 0 V

IOUT = 0 mA,

Low Power Mode

(Note 4)

VOUT ≤ 1.85 V

VOUT > 1.85 V

IOUT = 10 mA, Fast Mode

VCE = 0 V, TJ = 25°C

IOUT = light to heavy load

IOUT = heavy to light load

ISC

IQ

IGND

ISTB

IOUTH

IOUTL

50

1.0

1.5

55

0.1

1.0

2.0

mA

4.0

mA

4.0

mA

1

mA

8.0

mA

mA

CE Pin Threshold Voltage

CE Input Voltage “H”

VCEH

1.0

V

CE Input Voltage “L”

VCEL

0.4

CE Pull Down Current

ICEPD

0.1

mA

3. VIN > 1.4 V condition is dominant against this specification

4. The value of quiescent current is excluding the pull−down current of CE and AE pin

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