IL7918 datasheet(2/5 Pages) INTEGRAL

Part #	IL7918

Description	THREE-TERMINAL NEGATIVE VOLTAGE REGULATORS

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Manufacturer	INTEGRAL [Integral Corp.]

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IL79XXC SERIES

2

IL7905

Electrical characteristics

(VI = -10V, Io = 500mA, 0°C <TJ<+125°C unless otherwise noted)

Characteristic

Symbol

Min

Typ

Max

Unit

Output Voltage (TJ=+25

°C)

Vo

-4.8

-5.0

-5.2

Vdc

Line Regulation (Note 1)

(TJ=+25

°C, Io = 100mA)

-7.0Vdc

≥ VI ≥ -25Vdc

-8.0Vdc

≥ VI ≥ -12Vdc

(TJ=+25

°C, Io =500mA)

-7.0Vdc

≥ VI ≥ -25Vdc

-8.0Vdc

≥ VI ≥ -12Vdc

Regline

-

7.0

2.0

35

8.0

50

25

100

50

mV

Load Regulation (TJ=+25

°C, Note 1)

5.0mA

≤ Io ≤ 1.5A

250mA

≤ Io ≤ 750 mA

Regload

-

11

4.0

100

50

mV

Output Voltage

5.0mA

≤ Io ≤ 1.0A, Po ≤15 W

-7.0Vdc

≥ VI ≥ -25Vdc

Vo

-4.75

-

-5.25

Vcd

Input Bias Current (TJ=+25

°C)

IIB

-

4.3

8.0

mA

Input Bias Current Change

-7.0Vdc

≥ VI ≥ -25Vdc

5.0mA

≤ Io ≤ 1.0A

∆ IIB

-

1.3

0.5

mA

Output Noise Voltage (TA=+25

°C)

10 Hz

≤ f ≤ 100 kHz

eon

-

40

-

µV

Ripple Rejection (Io=20mA f=120Hz)

RR

-

70

-

dB

Dropout Voltage (Io=1.0A, TJ =+25°C)

VI-Vo

-

2.0

-

Vdc

Average Temperature Coefficient of

Output Voltage Io=5.0mA, 0

°C <TJ<+125°C

DVo/DT

-

-1.0

-

mV/

°C

IL7905.2

Electrical characteristics

(VI = -10V, Io = 500mA, 0°C <TJ<+125°C unless otherwise noted)

Characteristic

Symbol

Min

Typ

Max

Unit

Output Voltage (TJ=+25

°C)

Vo

-5.0

-5.2

-5.4

Vdc

Line Regulation (Note 1)

(TJ=+25

°C, Io = 100mA)

-7.2Vdc

≥ VI ≥ -25Vdc

-8.0Vdc

≥ VI ≥ -12Vdc

(TJ=+25

°C, Io =500mA)

-7.2Vdc

≥ VI ≥ -25Vdc

-8.0Vdc

≥ VI ≥ -12Vdc

Regline

-

8.0

2.2

37

8.5

52

27

105

52

mV

Load Regulation (TJ=+25

°C, Note 1)

5.0mA

≤ Io ≤ 1.5A

250mA

≤ Io ≤ 750 mA

Regload

-

12

4.5

105

52

mV

Output Voltage

5.0mA

≤ Io ≤ 1.0A, Po ≤15 W

-7.2Vdc

≥ VI ≥ -20Vdc

Vo

-4.95

-

-5.45

Vcd

Input Bias Current (TJ=+25

°C)

IIB

-

4.3

8.0

mA

Input Bias Current Change

-7.2Vdc

≥ VI ≥ -25Vdc

5.0mA

≤ Io ≤ 1.5A

∆ IIB

-

1.3

0.5

mA

Output Noise Voltage (TA=+25

°C)

10 Hz

≤ f ≤ 100 kHz

eon

-

42

-

µV

Ripple Rejection (Io=20mA f=120Hz)

RR

-

68

-

dB

Dropout Voltage (Io=1.0A, TJ =+25°C)

VI-Vo

-

2.0

-

Vdc

Average Temperature Coefficient of

Output Voltage Io=5.0mA, 0

°C <TJ<+125°C

DVo/Vo

-

-1.0

-

mV/

°C

Note:

1. Load and line regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into

account separately .Pulse testing with low duty cycle is used.

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