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MC79M05CT

500 mA Negative Voltage Regulators

ON Semiconductor 

MC79M00 Series

MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.)

Rating

Symbol

Value

Unit

Input Voltage

Power Dissipation

VI

−35

Vdc

Case 221A (TO−220−3)

TA = 25°C

Thermal Resistance, Junction−to−Ambient

Thermal Resistance, Junction−to−Case

Case 369C (DPAK−3)

PD

Internally Limited W

qJA

65

°C/W

qJC

5.0

°C/W

TA = 25°C

PD

Internally Limited W

Thermal Resistance, Junction−to−Ambient

qJA

92

°C/W

Thermal Resistance, Junction−to−Case

qJC

6.0

°C/W

Storage Junction Temperature

Tstg

−65 to +150

°C

Operating Junction Temperature Range

TJ

−40 to +150

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

*This device series contains ESD protection and exceeds the following tests:

Human Body Model 2000 V per MIL_STD_883, Method 3015

Machine Model Method 200 V

MC79M05B, C

ELECTRICAL CHARACTERISTICS (VI = −10 V, IO = 350 mA, Tlow to Thigh (Note 2), unless otherwise noted.)

Characteristic

Symbol

Min

Typ

Max Unit

Output Voltage (TJ = 25°C)

Line Regulation, TJ = 25°C (Note 1)

−7.0 Vdc ≥ VI ≥ −25 Vdc

−8.0 Vdc ≥ VI ≥ −18 Vdc

VO

−4.8

−5.0

−5.2

Vdc

Regline

mV

−

7.0

50

−

2.0

30

Load Regulation, TJ = 25°C (Note 1)

5.0 mA ≤ IO ≤ 500 mA

Regload

−

mV

30

100

Output Voltage

−7.0 Vdc ≥ VI ≥ −25 Vdc, 5.0 mA ≤ IO ≤ 350 mA

VO

Vdc

−4.75

−

−5.25

Input Bias Current (TJ = 25°C)

Input Bias Current Change

−8.0 Vdc ≥ VI ≥ −25 Vdc, IO = 350 mA

5.0 mA ≤ IO ≤ 350 mA, VI = −10 V

IIB

−

4.3

8.0

mA

DIIB

mA

−

−

0.4

−

−

0.4

Output Noise Voltage, TA = 25°C, 10 Hz ≤ f ≤ 100 kHz

Ripple Rejection (f = 120 Hz)

Vn

−

40

−

mV

RR

54

66

−

dB

Dropout Voltage

IO = 500 mA, TJ = 25°C

VI−VO

Vdc

−

1.1

−

Average Temperature Coefficient of Output Voltage

IO = 5.0 mA, 0°C ≤ TJ ≤ 125°C

DVO/DT

mV/°C

−

0.2

−

1. Load and line regulation are specified at constant temperature. Change in VO due to heating effects must be taken into account separately.

Pulse testing with low duty cycle is used.

2. B = Tlow to Thigh, −40°C < TJ < 125°C C = Tlow to Thigh, 0°C < TJ < 125°C.

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