UPC7924AHF datasheet(4/12 Pages) NEC

Part #	UPC7924AHF

Description	THREE TERMINAL NEGATIVE VOLTAGE REGULATOR

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Manufacturer	NEC [NEC]

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

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µPC7900A Series

4

ELECTRICAL CHARACTERISTICS (TA = 25 ˚C)

µPC7905A

(VIN = –10 V, Io = 500 mA, 0 ˚C

≤ TJ ≤ +125 ˚C)

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

Output Voltage

VO

TJ = 25 ˚C

–4.8

–5.0

–5.2

V

–7 V

≤ VIN ≤ –20 V, 5 mA ≤ IO ≤ 1 A,

–4.75

–5.25

PT

≤ 15 W

–30 ˚C

≤ TJ ≤ +125 ˚C

–4.75

–5.25

Line Regulation

REGIN

TJ = 25 ˚C, –7 V

≤ VIN ≤ –25 V

25

100

mV

TJ = 25 ˚C, –8 V

≤ VIN ≤ –12 V

3

50

Load Regulation

REGL

TJ = 25 ˚C, 5 mA

≤ IO ≤ 1.5 A

30

100

mV

TJ = 25 ˚C, 250 mA

≤ IO ≤ 750 mA

7

50

Quiescent Current

IBIAS

TJ = 25 ˚C

3.6

6.0

mA

Quiescent Current Change

∆IBIAS

–7 V

≤ VIN ≤ –25 V

1.3

mA

5 mA

≤ IO ≤ 1 A

0.5

Output Noize Voltage

Vn

TJ = 25 ˚C, 10 Hz

≤ f ≤ 100 kHz

77

µVr.m.s

Ripple Rejection

R•R

TJ = 25 ˚C, f = 120 Hz, –8 V

≤ VIN ≤ –18 V,

56

63

dB

IO = 500 mA

Dropout Voltage

VDIF

TJ = 25 ˚C, IO = 1A

1.2

V

Peak Output Current

IOpeak

TJ = 25 ˚C

1.6

2.2

2.8

A

Temperature Coefficient

|

∆VO/∆T|

IO = 5 mA

0.36

mV/˚C

of Output Voltage

µPC7908A

(VIN = –14 V, IO = 500 mA, 0 ˚C

≤ TJ ≤ +125 ˚C)

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

Output Voltage

VO

TJ = 25 ˚C

–7.7

–8.0

–8.3

V

–10.5 V

≤ VIN ≤ –23 V, 5 mA ≤ IO ≤ 1 A,

–7.6

–8.4

PT

≤ 15 W

–30 ˚C

≤ TJ ≤ +125 ˚C

–7.6

–8.4

Line Regulation

REGIN

TJ = 25 ˚C, –10.5 V

≤ VIN ≤ –25 V

33

150

mV

TJ = 25 ˚C, –11 V

≤ VIN ≤ –17 V

14

75

Load Regulation

REGL

TJ = 25 ˚C, 5 mA

≤ IO ≤ 1.5 A

40

160

mV

TJ = 25 ˚C, 250 mA

≤ IO ≤ 750 mA

14

80

Quiescent Current

IBIAS

TJ = 25 ˚C

3.9

6.0

mA

Quiescent Current Change

∆IBIAS

–10.5 V

≤ VIN ≤ –25 V

1.0

mA

5 mA

≤ IO ≤ 1 A

0.5

Output Noize Voltage

Vn

TJ = 25 ˚C, 10 Hz

≤ f ≤ 100 kHz

130

µVr.m.s

Ripple Rejection

R•R

TJ = 25 ˚C, –11.5 V

≤ VIN ≤ –21.5 V,

52

58

dB

f = 120 Hz, IO = 500 mA

Dropout Voltage

VDIF

TJ = 25 ˚C, IO = 1 A

1.2

V

Peak Output Current

IOpeak

TJ = 25 ˚C

1.6

2.2

2.8

A

Temperature Coefficient

|

∆VO/∆T|

IO = 5 mA

0.32

mV/˚C

of Output Voltage

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