MC7918CT Fairchild Semiconductor, MC7918CT Datasheet - Page 6

• Manufacturer Part Number: MC7918CT
• Description: Linear Regulators - Standard TO-220 1A Neg Volt
• Manufacturer: Fairchild Semiconductor

Specifications of MC7918CT

• Polarity: Negative
• Number Of Outputs: 1
• Output Type: Fixed
• Output Voltage: - 18 V
• Output Current: 1 A
• Line Regulation: 360 mV
• Load Regulation: 360 mV
• Dropout Voltage (max): 2 V
• Input Voltage Max: - 35 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Package / Case: TO-220
• Mounting Style: Through Hole
• Output Voltage Tolerance: +/- 4 %
• Voltage Regulation Accuracy: 4 %
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

5. Load and line regulation are specified at constant junction temperature. Changes in V
*Tlow = −40°C for MC7915B and Tlow = 0°C for MC7915C.
MC7915B, MC7915C
ELECTRICAL CHARACTERISTICS
MC7915AC
ELECTRICAL CHARACTERISTICS
Output Voltage (T
Line Regulation (Note 5)
Load Regulation, T
Output Voltage
Input Bias Current (T
Input Bias Current Change
Output Noise Voltage (T
Ripple Rejection (I
Dropout Voltage (I
Average Temperature Coefficient of Output Voltage
Output Voltage (T
Line Regulation (Note 5)
Load Regulation (Note 5)
Output Voltage
Input Bias Current
Input Bias Current Change
Output Noise Voltage (T
Ripple Rejection (I
Dropout Voltage (I
Average Temperature Coefficient of Output Voltage
separately. Pulse testing with low duty cycle is used.
(T
(T
5.0 mA ≤ I
250 mA ≤ I
−17.5 Vdc ≥ V
−17.5 Vdc ≥ V
5.0 mA ≤ I
I
−20 Vdc ≥ V
−20 Vdc ≥ V
−17.9 Vdc ≥ V
−17.5 Vdc ≥ V
5.0 mA ≤ I
250 mA ≤ I
5.0 mA ≤ I
−17.9 Vdc ≥ V
−17.5 Vdc ≥ V
5.0 mA ≤ I
5.0 mA ≤ I
I
O
O
J
J
−17.5 Vdc ≥ V
−20 Vdc ≥ V
−17.5 Vdc ≥ V
−20 Vdc ≥ V
= 5.0 A, Tlow* ≤ T
= 5.0 mA, Tlow* ≤ T
= +25°C, I
= +25°C, I
O
O
O
O
O
O
O
O
≤ 1.5 A
≤ 1.5 A
≤ 1.5 A, T
≤ 1.0 A
≤ 1.0 A
≤ 1.5 A, T
I
I
≤ 750 mA
≤ 750 mA
≥ − 26 Vdc, I
≥ − 26 Vdc, I
O
O
I
I
I
I
I
I
I
I
≥ − 30 Vdc, 5.0 mA ≤ I
≥ − 30 Vdc
≥ − 30 Vdc, I
≥ − 30 Vdc, I
≥ − 30 Vdc, 5.0 mA ≤ I
≥ − 30 Vdc
J
J
≥ − 26 Vdc
≥ − 26 Vdc
= 100 mA)
= 500 mA)
O
O
O
O
I
I
J
= +25°C)
= +25°C)
≥ − 30 Vdc
≥ − 30 Vdc
= 1.0 A, T
= 1.0 A, T
= +25°C (Note 5)
= 20 mA, f = 120 Hz)
= 20 mA, f = 120 Hz)
J
= +25°C)
J
A
A
J
J
≤ +125°C
J
= +25°C, 10 Hz ≤ f ≤ 100 kHz)
= +25°C, 10 Hz ≤ f ≤ 100 kHz)
= +25°C
= +25°C
≤ +125°C
O
O
O
O
J
J
= 1.0 A, T
= 1.0 A,
= +25°C)
= +25°C)
= 500 mA
= 1.0 A, T
Characteristics
Characteristics
O
O
J
(V
(V
≤ 1.0 A, P ≤ 15 W
≤ 1.0 A, P ≤ 15 W
= +25°C
J
I
I
= +25°C
= − 23 V, I
= − 23 V, I
O
O
= 500 mA, Tlow* < T
= 500 mA, Tlow* < T
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MC7900 Series
6
J
J
< +125°C, unless otherwise noted.)
< +125°C, unless otherwise noted.)
Symbol
DV
Symbol
DV
Reg
Reg
Reg
Reg
O
V
V
DI
DI
RR
I
RR
I
V
V
V
V
due to heating effects must be taken into account
I
V
I
V
−V
−V
O
O
IB
IB
O
O
O
O
load
IB
n
load
IB
n
/DT
/DT
line
line
O
O
−14.25
−14.4
−14.7
−14.4
Min
Min
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−1.0
−1.0
Typ
−15
Typ
−15
6.0
4.4
1.3
4.4
1.3
14
57
27
68
25
90
60
27
57
57
57
68
25
40
90
60
−
−
−
−
−
−
−
−15.75
−15.6
−15.3
−15.6
Max
Max
150
300
150
300
150
150
150
150
150
150
8.0
1.0
0.5
8.0
0.8
0.5
0.5
75
75
75
−
−
−
−
−
−
−
−
mV/°C
mV/°C
Unit
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
mV
mV
mA
mA
mV
mV
mA
mA
dB
dB
mV
mV