NCP120AMX105TCG datasheet(3/8 Pages) ONSEMI

Part #	NCP120AMX105TCG

Description	150mA, Very Low Dropout Bias Rail CMOS Voltage Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP120

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ELECTRICAL CHARACTERISTICS

−40

°C ≤ TJ ≤ 85°C; VBIAS = 2.7 V or (VOUT + 1.6 V), whichever is greater, VIN = VOUT(NOM) + 0.3 V, IOUT = 1 mA, VEN = 1 V, unless

otherwise noted. CIN = 1 mF, CBIAS = 0.1 mF, COUT = 1 mF (effective capacitance) (Note 3). Typical values are at TJ = +25°C. Min/Max

values are for −40

°C ≤ TJ ≤ 85°C unless otherwise noted. (Note 4)

Parameter

Test Conditions

Symbol

Min

Typ

Max

Unit

Operating Input

Voltage Range

VIN

VOUT+VDO

5.5

V

Operating Bias Voltage

Range

VBIAS

(VOUT+1.35)

≥2.4

5.5

V

Undervoltage Lock−out VBIAS Rising

Hysteresis

UVLO

1.6

0.2

V

Output Voltage

Accuracy

−40

°C ≤ TJ ≤ 85°C, VOUT(NOM) + 0.3 V ≤ VIN ≤

5.0 V, 2.7 V or (VOUT(NOM) + 1.6 V), whichever is

greater < VBIAS < 5.5 V, 1 mA < IOUT < 150 mA

VOUT

−1.5

+1.5

%

Output Voltage

Accuracy

VOUT

±0.5

%

VIN Line Regulation

VOUT(NOM) + 0.3 V ≤ VIN ≤ 5.0 V

LineReg

0.01

%/V

VBIAS Line Regulation

2.7 V or (VOUT(NOM) + 1.6 V), whichever is

greater < VBIAS < 5.5 V

LineReg

0.01

%/V

Load Regulation

IOUT = 1 mA to 150 mA

LoadReg

1.5

mV

VIN Dropout Voltage

IOUT = 150 mA (Note 5)

VDO

37

75

mV

VBIAS Dropout Voltage

IOUT = 150 mA, VIN = VBIAS (Note 5)

VDO

1.1

1.4

V

Output Current Limit

VOUT = 90% VOUT(NOM)

ICL

200

330

600

mA

Bias Pin Operating

Current

VBIAS = 2.7 V

IBIAS

80

110

mA

Bias Pin Disable

Current

VEN ≤ 0.4 V

IBIAS(DIS)

0.5

1

mA

Vinput Pin Disable

Current

VEN ≤ 0.4 V

IVIN(DIS)

0.5

1

mA

EN Pin Threshold

Voltage

EN Input Voltage “H”

VEN(H)

0.9

V

EN Input Voltage “L”

VEN(L)

0.4

EN Pull Down Current

VEN = 5.5 V

IEN

0.3

1.0

mA

Turn−On Time

COUT = 1 mF, From assertion of VEN to

VOUT = 98% VOUT(NOM), VOUT(NOM) = 1.05 V

tON

150

ms

Power Supply

Rejection Ratio

VIN to VOUT, f = 1 kHz, IOUT = 150 mA,

VIN

≥ VOUT +0.5 V

PSRR(VIN)

70

dB

VBIAS to VOUT, f = 1 kHz, IOUT = 150 mA,

VIN

≥ VOUT +0.5 V

PSRR(VBIAS)

80

dB

Output Noise Voltage

VIN = VOUT +0.5 V, VOUT(NOM) = 1.05 V,

f = 10 Hz to 100 kHz

VN

40

mVRMS

Thermal Shutdown

Threshold

Temperature increasing

160

°C

Temperature decreasing

140

Output Discharge

Pull−Down

VEN ≤ 0.4 V, VOUT = 0.5 V,

NCP120A options only

RDISCH

150

W

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.

3. Effective capacitance, including the effect of DC bias, tolerance and temperature. See the Application Information section for more

information.

4. Performance guaranteed over the indicated operating temperature range by design and/or characterization. Production tested at TA = 25°C.

Low duty cycle pulse techniques are used during the testing to maintain the junction temperature as close to ambient as possible.

5. Dropout voltage is characterized when VOUT falls 3% below VOUT(NOM).

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