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MC7908ACT bảng dữ liệu(PDF) 5 Page - Motorola, Inc

tên linh kiện MC7908ACT
Giải thích chi tiết về linh kiện  THREE-TERMINAL NEGATIVE VOLTAGE REGULATORS
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nhà sản xuất  MOTOROLA [Motorola, Inc]
Trang chủ  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MC7908ACT bảng dữ liệu(HTML) 5 Page - Motorola, Inc

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MC7900
5
MOTOROLA ANALOG IC DEVICE DATA
MC7912C
ELECTRICAL CHARACTERISTICS (VI = –19 V, IO = 500 mA, 0°C < 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 1)
(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 1)
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
∆IIB
1.0
0.5
mA
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
75
µV
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, 0°C ≤ TJ ≤ +125°C
∆VO/∆T
–1.0
mV/
°C
MC7912AC
ELECTRICAL CHARACTERISTICS (VI = –19 V, IO = 500 mA, 0°C < 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 1)
–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 1)
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
∆IIB
0.8
0.5
0.5
mA
Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
75
µV
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, 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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