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MC7918CT Datasheet(PDF) 6 Page - Motorola, Inc

Part # MC7918CT
Description  THREE-TERMINAL NEGATIVE VOLTAGE REGULATORS
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MC7918CT Datasheet(HTML) 6 Page - Motorola, Inc

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MC7900
6
MOTOROLA ANALOG IC DEVICE DATA
MC7915C
ELECTRICAL CHARACTERISTICS (VI = – 23 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
VO
–14.4
–15
–15.6
Vdc
Line Regulation (Note 1)
(TJ = +25°C, IO = 100 mA)
–17.5 Vdc
≥ VI ≥ –30 Vdc
–20 Vdc
≥ VI ≥ –26 Vdc
(TJ = +25°C, IO = 500 mA)
–17.5 Vdc
≥ VI ≥ –30 Vdc
–20 Vdc
≥ VI ≥ –26 Vdc
Regline
14
6.0
57
27
150
75
300
150
mV
Load Regulation, TJ = +25°C (Note 1)
5.0 mA
≤ IO ≤ 1.5 A
250 mA
≤ IO ≤ 750 mA
Regload
68
25
300
150
mV
Output Voltage
–17.5 Vdc
≥ VI ≥ –30 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
–14.25
–15.75
Vdc
Input Bias Current (TJ = +25°C)
IIB
4.4
8.0
mA
Input Bias Current Change
–17.5 Vdc
≥ VI ≥ –30 Vdc
5.0 mA
≤ IO ≤ 1.5 A
∆IIB
1.0
0.5
mA
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
90
µV
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
60
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
MC7915AC
ELECTRICAL CHARACTERISTICS (VI = – 23 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
VO
–14.7
–15
–15.3
Vdc
Line Regulation (Note 1)
– 20 Vdc
≥ VI ≥ –26 Vdc, IO = 1.0 A, TJ = +25°C
– 20 Vdc
≥ VI ≥ –26 Vdc, IO = 1.0 A,
–17.9 Vdc
≥ VI ≥ –30 Vdc, IO = 500 mA
–17.5 Vdc
≥ VI ≥ –30 Vdc, IO = 1.0 A, TJ = +25°C
Regline
27
57
57
57
75
150
150
150
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
68
25
40
150
75
150
mV
Output Voltage
–17.9 Vdc
≥ VI ≥ –30 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
–14.4
–15.6
Vdc
Input Bias Current
IIB
4.4
8.0
mA
Input Bias Current Change
–17.5 Vdc
≥ VI ≥ –30 Vdc
5.0 mA
≤ IO ≤ 1.0 A
5.0 mA
≤ IO ≤ 1.5 A, TJ = +25°C
∆IIB
0.8
0.5
0.5
mA
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
90
µV
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
60
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.
NOTE: 1. Pulse testing with low duty cycle is used.


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