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MC79L05C

100 mA Negateive Volotage Regulators

ON Semiconductor 

MC79L00, MC79L00A Series

ELECTRICAL CHARACTERISTICS (VI = –23 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, –40°C < TJ +125°C (for MC79LXXAB),

0°C < TJ < +125°C (for MC79LXXAC)).

MC79L15C

MC79L15AC, AB

Characteristics

Symbol Min

Typ

Max

Min

Typ

Max Unit

Output Voltage (TJ = +25°C)

Input Regulation

(TJ = +25°C)

–17.5 Vdc ≥ VI ≥ –30 Vdc

–20 Vdc ≥ VI ≥ –30 Vdc

Load Regulation

TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA

1.0 mA ≤ IO ≤ 40 mA

Output Voltage

–17.5 Vdc ≥ VI ≥ –Vdc, 1.0 mA ≤ IO ≤ 40 mA

VI = –23 Vdc, 1.0 mA ≤ IO ≤ 70 mA

Input Bias Current

(TJ = +25°C)

(TJ = +125°C)

Input Bias Current Change

–20 Vdc ≥ VI ≥ –30 Vdc

1.0 mA ≤ IO ≤ 40 mA

Output Noise Voltage

(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)

Ripple Rejection

(–18.5 ≤ VI ≤ –28.5 Vdc, f = 120 Hz)

VO

–13.8 –15 –16.2 –14.4 –15 –15.6 Vdc

Regline

mV

–

–

300

–

–

300

–

–

250

–

–

250

Regload

–

–

–

150

–

–

75

–

mV

–

150

–

75

VO

Vdc

–13.5

–

–16.5 –14.25

–

–15.75

–13.5

–

–16.5 –14.25

–

–15.75

IIB

mA

–

–

6.5

–

–

6.5

–

–

6.0

–

–

6.0

∆IIB

mA

–

–

1.5

–

–

1.5

–

–

0.2

–

–

0.1

VN

–

90

–

–

90

–

µV

RR

33

39

–

34

39

–

dB

Dropout Voltage

IO = 40 mA, TJ = +25°C

|VI–VO|

–

1.7

–

–

1.7

–

Vdc

ELECTRICAL CHARACTERISTICS (VI = –27 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, 0°C < TJ > +125°C, unless otherwise noted).

MC79L18C

MC79L18AC

Characteristics

Symbol Min

Typ

Max

Min

Typ

Max Unit

Output Voltage (TJ = +25°C)

Input Regulation

(TJ = +25°C)

–20.7 Vdc ≥ VI ≥ –33 Vdc

–21.4 Vdc ≥ VI ≥ –33 Vdc

–22 Vdc ≥ VI ≥ –33 Vdc

–21 Vdc ≥ VI ≥ –33 Vdc

Load Regulation

TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA

1.0 mA ≤ IO ≤ 40 mA

Output Voltage

–20.7 Vdc ≥ VI ≥ –33 Vdc, 1.0 mA ≤ IO ≤ 40 mA

–21.4 Vdc ≥ VI ≥ –33 Vdc, 1.0 mA ≤ IO ≤ 40 mA

VI = –27 Vdc, 1.0 mA ≤ IO ≤ 70 mA

Input Bias Current

(TJ = +25°C)

(TJ = +125°C)

Input Bias Current Change

–21 Vdc ≥ VI ≥ –33 Vdc

–27 Vdc ≥ VI ≥ –33 Vdc

1.0 mA ≤ IO ≤ 40 mA

Output Noise Voltage

(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)

Ripple Rejection

(–23 ≤ VI ≤ –33 Vdc, f = 120 Hz, TJ = +25°C)

Dropout Voltage

IO = 40 mA, TJ = +25°C

VO

–16.6 –18 –19.4 –17.3 –18 –18.7 Vdc

Regline

mV

Regload

VO

IIB

IIB

Vn

–

–

–

–

–

–

–

–16.2

–16.2

–

–

–

–

–

–

–

–

–

–

325

–

–

275

–

–

–

–

–

325

–

–

–

–

–

275

–

170

–

–

85

–

mV

–

170

–

85

Vdc

–

–

–17.1

–

–18.9

–

–19.8

–

–

–

–

–19.8 –17.1

–

–18.9

–

6.5

–

–

6.0

–

mA

–

6.5

–

6.0

–

–

–

–

1.5

–

–

0.2

–

mA

–

1.5

–

–

–

0.1

150

–

–

150

–

µV

RR

32

46

–

33

48

–

dB

|VI–VO|

–

1.7

–

–

1.7

–

Vdc

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