UPC79M12HF datasheet(5/12 Pages) NEC

Part #	UPC79M12HF

Description	THREE TERMINAL NEGATIVE VOLTAGE REGULATOR

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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µPC79M00 Series

5

µPC79M18

(VIN = –27 V, IO = 350 mA, 0

°C ≤ TJ ≤ +125 °C, CIN = 2.2 µF, COUT = 1 µF, unless otherwise specified)

Parameter

Symbol

Test Conditions

MIN.

TYP.

MAX.

Unit

Output Voltage

VO

TJ = 25

°C

–17.3

–18

–18.7

V

–21 V

≤ VIN ≤ –33 V, 5 mA ≤ IO ≤ 350 mA

–17.1

–18.9

Line Regulation

REGIN

TJ = 25

°C, –21 V ≤ VIN ≤ –33 V

30

80

mV

TJ = 25

°C, –24 V ≤ VIN ≤ –30 V

25

50

Load Regulation

REGL

TJ = 25

°C, 5 mA ≤ IO ≤ 500 mA

60

300

mV

TJ = 25

°C, 5 mA ≤ IO ≤ 350 mA

45

Quiescent Current

IBIAS

TJ = 25

°C

4.4

6.0

mA

Quiescent Current Change

∆IBIAS

–21 V

≤ VIN ≤ –33 V

0.5

mA

5 mA

≤ IO ≤ 350 mA

0.4

Output Noise Voltage

Vn

TJ = 25

°C, 10 Hz ≤ f ≤ 100 kHz

200

440

µVr.m.s.

Ripple Rejection

R • R

TJ = 25

°C, f = 120 Hz,

50

60

dB

–22 V

≤ VIN ≤ –32 V, IO = 100 mA

Dropout Voltage

VDIF

TJ = 25

°C

1.1

V

Short Circuit Current

IOshort

TJ = 25

°C, VIN = –33 V

350

mA

Peak Output Current

IOpeak

TJ = 25

°C

620

880

1 020

mA

Temperature Coefficient

∆VO/∆TIO = 5 mA

0.8

mV/

°C

of Output Voltage

µPC79M24

(VIN = –33 V, IO = 350 mA, 0

°C ≤ TJ ≤ +125 °C, CIN = 2.2 µF, COUT = 1 µF, unless otherwise specified)

Parameter

Symbol

Test Conditions

MIN.

TYP.

MAX.

Unit

Output Voltage

VO

TJ = 25

°C

–23.0

–24

–25.0

V

–27 V

≤ VIN ≤ –38 V, 5 mA ≤ IO ≤ 350 mA

–22.8

–25.2

Line Regulation

REGIN

TJ = 25

°C, –27 V ≤ VIN ≤ –38 V

30

80

mV

TJ = 25

°C, –30 V ≤ VIN ≤ –36 V

25

50

Load Regulation

REGL

TJ = 25

°C, 5 mA ≤ IO ≤ 500 mA

80

360

mV

TJ = 25

°C, 5 mA ≤ IO ≤ 350 mA

50

Quiescent Current

IBIAS

TJ = 25

°C

4.5

6.0

mA

Quiescent Current Change

∆IBIAS

–27 V

≤ VIN ≤ –38 V

0.5

mA

5 mA

≤ IO ≤ 350 mA

0.4

Output Noise Voltage

Vn

TJ = 25

°C, 10 Hz ≤ f ≤ 100 kHz

250

600

µVr.m.s.

Ripple Rejection

R • R

TJ = 25

°C, f = 120 Hz,

50

57

dB

–28 V

≤ VIN ≤ –38 V, IO = 100 mA

Dropout Voltage

VDIF

TJ = 25

°C

1.1

V

Short Circuit Current

IOshort

TJ = 25

°C, VIN = –38 V

200

mA

Peak Output Current

IOpeak

TJ = 25

°C

620

880

1 020

mA

Temperature Coefficient

∆VO/∆TIO = 5 mA

1.0

mV/

°C

of Output Voltage

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