NCP781 datasheet(4/14 Pages) ONSEMI

Part #	NCP781

Description	150 V, 100mA Very High Voltage Linear Regulator

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NCP781

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Table 3. ELECTRICAL CHARACTERISTICS − Adjustable −40

°C ≤ TJ ≤ 125°C; VIN = Voutnom + 10 V, CIN = COUT = 1 mF, unless

otherwise noted. Typical values are at TA = +25°C. (Notes 8, 9)

Parameter

Test Conditions

Symbol

Min

Typ

Max

Unit

INPUT REGULATOR

Operating Input Voltage

VIN

6

150

V

OUTPUT REGULATOR

Reference Voltage Accuracy

−40

°C ≤ TJ ≤125°C, IOUT = 50 mA

6 V

≤ VIN ≤ 150 V

−3%

1.23 V

+3%

%

Reference Voltage Accuracy

TJ = 25°C, IOUT = 50 mA

6 V

≤ VIN ≤ 150 V

−2.5%

1.23 V

+2.5%

%

Line Regulation

15 V

≤ VIN ≤ 150 V

IOUT = 50 mA

Regline

0.25

0.5

%Vout

Load Regulation

Regload

0.4

0.8

%Vout

Dropout Voltage (Note 10)

3.3 V

5.0 V

12.0 V

15.0 V

VDO = VIN − (VOUT − (3%Voutnom))

IOUT = 100 mA

VDO

−

4

4.4

4.7

6.5

7.0

7.5

9.5

V

DISABLE, QUIESCENT AND GROUND CURRENTS

Disable Current

VEN = 0 V, VIN = 150 V

IDIS

−

1

10

mA

Quiescent Current

IOUT = 0 mA

IQ

−

25

55

mA

Ground Current

IOUT = 100 mA

IGND

−

250

400

mA

Enable Pin Current

1.5 V < VEN < 150 V

IEN

500

nA

ADJ Pin Current

6 V < VIN < 150 V, ADJ = VOUT

IADJ

5

nA

CURRENT LIMIT PROTECTION

Current Limit (Note 11)

VOUT = VOUTNOM – (10% VOUTNOM)

ILIM

110

mA

Short Circuit Current Limit

VOUT = 0 V, Vin = 25 V

ISC

220

mA

ENABLE THRESHOLDS

Enable Input Threshold Voltage

Voltage Increasing, Logic High

Voltage Decreasing, Logic Low

High

Low

VTH(EN)

1.5

−

0.4

V

PSRR AND NOISE

Power Supply Ripple Rejection (Note 12)

VIN = 25 V + 200 mVpp modulation

VOUT = 1.23 V, Cout = 1.0 mF

IOUT = 10 mA

f = 1 kHz

f = 10 kHz

f = 100 kHz

PSRR

−

83

75

56

−

dB

Output Noise Voltage (Note 12)

Vout = 1.23 V, Vin = 150 V

IOUT = 1 mA, Cout = 1.0 mF

f = 100 Hz to 100 kHz

VNOISE

−

130

−

mVrms

THERMAL SHUTDOWN

Thermal Shutdown Temperature (Note 12)

TSD

−

160

−

°C

Thermal Shutdown Hysteresis (Note 12)

TSH

−

15

−

°C

8. Performance guaranteed over the indicated operating temperature range by design and characterization production tested at Tj = Ta = 25

°C.

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

9. IOUT > 50 mA at VIN > 50 V

10. Not characterized at VOUTNOM < 3.3 V.

11. Respect to SOA

12. Guaranteed by design and characterization

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