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MC7912CT Datasheet(PDF) 5 Page - ON Semiconductor

Part # MC7912CT
Description  1.0 A Negative Voltage Regulators
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC7912CT Datasheet(HTML) 5 Page - ON Semiconductor

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MC7900 Series
http://onsemi.com
5
MC7912B, MC7912C
ELECTRICAL CHARACTERISTICS (VI = −19 V, IO = 500 mA, Tlow* < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
VO
−11.5
−12
−12.5
Vdc
Line Regulation (Note 4)
(TJ = +25°C, IO = 100 mA)
−14.5 Vdc
≥ VI ≥ −30 Vdc
−16 Vdc
≥ VI ≥ −22 Vdc
(TJ = +25°C, IO = 500 mA)
−14.5 Vdc
≥ VI ≥ −30 Vdc
−16 Vdc
≥ VI ≥ −22 Vdc
Regline
13
6.0
55
24
120
60
240
120
mV
Load Regulation, TJ = +25°C (Note 4)
5.0 mA
≤ IO ≤ 1.5 A
250 mA
≤ IO ≤ 750 mA
Regload
46
17
240
120
mV
Output Voltage
−14.5 Vdc
≥ VI ≥ −27 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
−11.4
−12.6
Vdc
Input Bias Current (TJ = +25°C)
IIB
4.4
8.0
mA
Input Bias Current Change
−14.5 Vdc
≥ VI ≥ −30 Vdc
5.0 mA
≤ IO ≤ 1.5 A
DIIB
1.0
0.5
mA
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
75
mV
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
61
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, Tlow* ≤ TJ ≤ +125°C
DVO/DT
−1.0
mV/
°C
MC7912AC
ELECTRICAL CHARACTERISTICS (VI = −19 V, IO = 500 mA, Tlow* < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
VO
−11.75
−12
−12.25
Vdc
Line Regulation (Note 4)
−16 Vdc
≥ VI ≥ −22 Vdc; IO = 1.0 A, TJ = +25°C
−16 Vdc
≥ VI ≥ −22 Vdc; IO = 1.0 A
−14.8 Vdc
≥ VI ≥ −30 Vdc; IO = 500 mA
−14.5 Vdc
≥ VI ≥ −27 Vdc; IO = 1.0 A, TJ = +25°C
Regline
6.0
24
24
13
60
120
120
120
mV
Load Regulation (Note 4)
5.0 mA
≤ IO ≤ 1.5 A, TJ = +25°C
250 mA
≤ IO ≤ 750 mA
5.0 mA
≤ IO ≤ 1.0 A
Regload
46
17
35
150
75
150
mV
Output Voltage
−14.8 Vdc
≥ VI ≥ −27 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
−11.5
−12.5
Vdc
Input Bias Current
IIB
4.4
8.0
mA
Input Bias Current Change
−15 Vdc
≥ VI ≥ −30 Vdc
5.0 mA
≤ IO ≤ 1.0 A
5.0 mA
≤ IO ≤ 1.5 A, TJ = +25°C
DIIB
0.8
0.5
0.5
mA
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
75
mV
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
61
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, Tlow* ≤ TJ ≤ +125°C
DVO/DT
−1.0
mV/
°C
4. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
*Tlow = −40
°C for MC7912B and Tlow = 0°C for MC7912C.


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