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MC7905.2CT Datasheet(PDF) 7 Page - ON Semiconductor

No. de pieza MC7905.2CT
Descripción Electrónicos  1.0 A Negative Voltage Regulators
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Fabricante Electrónico  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
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MC7905.2CT Datasheet(HTML) 7 Page - ON Semiconductor

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MC7900 Series
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7
MC7918C
ELECTRICAL CHARACTERISTICS (VI = −27 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
VO
−17.3
−18
−18.7
Vdc
Line Regulation (Note 6)
(TJ = +25°C, IO = 100 mA)
−21 Vdc
≥ VI ≥ −33 Vdc
−24 Vdc
≥ VI ≥ −30 Vdc
(TJ = +25°C, IO = 500 mA)
−21 Vdc
≥ VI ≥ −33 Vdc
−24 Vdc
≥ VI ≥ −30 Vdc
Regline
25
10
90
50
180
90
360
180
mV
Load Regulation, TJ = +25°C (Note 6)
5.0 mA
≤ IO ≤ 1.5 A
250 mA
≤ IO ≤ 750 mA
Regload
110
55
360
180
mV
Output Voltage
− 21 Vdc
≥ VI ≥ −33 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
−17.1
−18.9
Vdc
Input Bias Current (TJ = +25°C)
IIB
4.5
8.0
mA
Input Bias Current Change
−21 Vdc
≥ VI ≥ −33 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
110
mV
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
59
dB
Dropout Voltage (IO = 1.0 A, TJ = +25°C)
VI−VO
1.3
Vdc
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA, 0°C ≤ TJ ≤ +125°C
DVO/DT
−1.0
mV/
°C
MC7924B, MC7924C
ELECTRICAL CHARACTERISTICS (VI = −33 V, IO = 500 mA, Tlow* < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
VO
−23
−24
−25
Vdc
Line Regulation (Note 6)
(TJ = +25°C, IO = 100 mA)
− 27 Vdc
≥ VI ≥ −38 Vdc
− 30 Vdc
≥ VI ≥ −36 Vdc
(TJ = +25°C, IO = 500 mA)
− 27 Vdc
≥ VI ≥ −38 Vdc
− 30 Vdc
≥ VI ≥ −36 Vdc
Regline
31
14
118
70
240
120
470
240
mV
Load Regulation, TJ = +25°C (Note 6)
5.0 mA
≤ IO ≤ 1.5 A
250 mA
≤ IO ≤ 750 mA
Regload
150
85
480
240
mV
Output Voltage
− 27 Vdc
≥ VI ≥ −38 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W
VO
− 22.8
− 25.2
Vdc
Input Bias Current (TJ = +25°C)
IIB
4.6
8.0
mA
Input Bias Current Change
− 27 Vdc
≥ VI ≥ −38 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
170
mV
Ripple Rejection (IO = 20 mA, f = 120 Hz)
RR
56
dB
Dropout Voltage (IO = 1.0 A, TJ = +25°C)
VI−VO
1.3
Vdc
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA, Tlow* ≤ TJ ≤ +125°C
DVO/DT
−1.0
mV/
°C
6. 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 MC7924B and Tlow = 0°C for MC7924C.


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