MC7900

3

MOTOROLA ANALOG IC DEVICE DATA

MC7905AC

Characteristics

Symbol

Min

Typ

Max

Unit

Output Voltage (TJ = +25°C)

VO

– 4.9

– 5.0

– 5.1

Vdc

Line Regulation (Note 1)

– 8.0 Vdc

≥ VI ≥ –12 Vdc; IO = 1.0 A, TJ = +25°C

– 8.0 Vdc

≥ VI ≥ –12 Vdc; IO = 1.0 A

–7.5 Vdc

≥ VI ≥ –25 Vdc; IO = 500 mA

–7.0 Vdc

≥ VI ≥ –20 Vdc; IO = 1.0 A, TJ = +25°C

Regline

–

–

–

–

2.0

7.0

7.0

6.0

25

50

50

50

mV

Load Regulation (Note 1)

5.0 mA

≤ IO ≤ 1.5 A, TJ = +25°C

250 mA

≤ IO ≤ 750 mA

5.0 mA

≤ IO ≤ 1.0 A

Regload

–

–

–

11

4.0

9.0

100

50

100

mV

Output Voltage

–7.5 Vdc

≥ VI ≥ –20 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W

VO

– 4.80

–

– 5.20

Vdc

Input Bias Current

IIB

–

4.4

8.0

mA

Input Bias Current Change

–7.5 Vdc

≥ VI ≥ –25 Vdc

5.0 mA

≤ IO ≤ 1.0 A

5.0 mA

≤ IO ≤ 1.5 A, TJ = +25°C

∆IIB

–

–

–

–

–

–

1.3

0.5

0.5

mA

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

Vn

–

40

–

µV

Ripple Rejection (IO = mA, f = 120 Hz)

RR

–

70

–

dB

Dropout Voltage

IO = 1.0 A. TJ = +25°C

VI–VO

–

2.0

–

Vdc

Average Temperature Coefficient of Output Voltage

IO = 5.0 A, 0°C ≤ TJ ≤ +125°C

∆VO/∆T

–

–1.0

–

mV/

°C

MC7905.2C

Characteristics

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 = 100 mA)

–7.2 Vdc

≥ VI ≥ –25 Vdc

– 8.0 Vdc

≥ VI ≥ –12 Vdc

(TJ = +25°C, IO = 500 mA)

–7.2 Vdc

≥ VI ≥ –25 Vdc

– 8.0 Vdc

≥ VI ≥ –12 Vdc

Regline

–

–

–

–

8.0

2.2

37

8.5

52

27

105

52

mV

Load Regulation, TJ = +25°C (Note 1)

5.0 mA

≤ IO ≤ 1.5 A

250 mA

≤ IO ≤ 750 mA

Regload

–

–

12

4.5

105

52

mV

Output Voltage

–7.2 Vdc

≥ VI ≥ –20 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W

VO

– 4.95

–

– 5.45

Vdc

Input Bias Current (TJ = +25°C)

IIB

–

4.3

8.0

mA

Input Bias Current Change

–7.2 Vdc

≥ VI ≥ –25 Vdc

5.0 mA

≤ IO ≤ 1.5 A

∆IIB

–

–

–

–

1.3

0.5

mA

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

Vn

–

42

–

µV

Ripple Rejection (IO = 20 mA, f = 120 Hz)

RR

–

68

–

dB

Dropout Voltage

IO = 1.0 A, TJ = +25°C

VI–VO

–

2.0

–

Vdc

Average Temperature Coefficient of Output Voltage

IO = 5.0 mA, 0°C ≤ TJ ≤ +125°C

∆VO/∆T

–

–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.