Datasheet
MC7900 Series
http://onsemi.com
4
MC7906C
ELECTRICAL CHARACTERISTICS
(V
I
= −11 V, I
O
= 500 mA, 0°C < T
J
< +125°C, unless otherwise noted.)
Characteristics
Symbol Min Typ Max Unit
Output Voltage (T
J
= +25°C) V
O
−5.75 −6.0 −6.25 Vdc
Line Regulation (Note 3)
(T
J
= +25°C, I
O
= 100 mA)
−8.0 Vdc ≥ V
I
≥ −25 Vdc
−9.0 Vdc ≥ V
I
≥ −13 Vdc
(T
J
= +25°C, I
O
= 500 mA)
−8.0 Vdc ≥ V
I
≥ −25 Vdc
−9.0 Vdc ≥ V
I
≥ −13 Vdc
Reg
line
−
−
−
−
9.0
3.0
43
10
60
30
120
60
mV
Load Regulation, T
J
= +25°C (Note 3)
5.0 mA ≤ I
O
≤ 1.5 A
250 mA ≤ I
O
≤ 750 mA
Reg
load
−
−
13
5.0
120
60
mV
Output Voltage
−8.0 Vdc ≥ V
I
≥ −21 Vdc, 5.0 mA ≤ I
O
≤ 1.0 A, P ≤ 15 W
V
O
−5.7 − −6.3
Vdc
Input Bias Current (T
J
= +25°C) I
IB
− 4.3 8.0 mA
Input Bias Current Change
−8.0 Vdc ≥ V
I
≥ −25 Vdc
5.0 mA ≤ I
O
≤ 1.5 A
DI
IB
−
−
−
−
1.3
0.5
mA
Output Noise Voltage (T
A
= +25°C, 10 Hz ≤ f ≤ 100 kHz) V
n
− 45 −
mV
Ripple Rejection (I
O
= 20 mA, f = 120 Hz) RR − 65 − dB
Dropout Voltage (I
O
= 1.0 A, T
J
= +25°C) V
I
−V
O
− 1.3 − Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 A, 0°C ≤ T
J
≤ +125°C
DV
O
/DT
− −1.0 −
mV/°C
MC7908C
ELECTRICAL CHARACTERISTICS
(V
I
= −14 V, I
O
= 500 mA, 0°C < T
J
< +125°C, unless otherwise noted.)
Characteristics Symbol Min Typ Max Unit
Output Voltage (T
J
= +25°C) V
O
−7.7 −8.0 −8.3 Vdc
Line Regulation (Note 3)
(T
J
= +25°C, I
O
= 100 mA)
−10.5 Vdc ≥ V
I
≥ −25 Vdc
−11 Vdc ≥ V
I
≥ −17 Vdc
(T
J
= +25°C, I
O
= 500 mA)
−10.5 Vdc ≥ V
I
≥ −25 Vdc
−11 Vdc ≥ V
I
≥ −17 Vdc
Reg
line
−
−
−
−
12
5.0
50
22
80
40
160
80
mV
Load Regulation, T
J
= +25°C (Note 3)
5.0 mA ≤ I
O
≤ 1.5 A
250 mA ≤ I
O
≤ 750 mA
Reg
load
−
−
26
9.0
160
80
mV
Output Voltage
−10.5 Vdc ≥ V
I
≥ −23 Vdc, 5.0 mA ≤ I
O
≤ 1.0 A, P ≤ 15 W
V
O
−7.6 − −8.4
Vdc
Input Bias Current (T
J
= +25°C) I
IB
− 4.3 8.0 mA
Input Bias Current Change
−10.5 Vdc ≥ V
I
≥ −25 Vdc
5.0 mA ≤ I
O
≤ 1.5 A
DI
IB
−
−
−
−
1.0
0.5
mA
Output Noise Voltage (T
A
= +25°C, 10 Hz ≤ f ≤ 100 kHz) V
n
− 52 −
mV
Ripple Rejection (I
O
= 20 mA, f = 120 Hz) RR − 62 − dB
Dropout Voltage (I
O
= 1.0 A, T
J
= +25°C) V
I
−V
O
− 1.3 − Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA, 0°C ≤ T
J
≤ +125°C
DV
O
/DT
− −1.0 −
mV/°C
3. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.