參數資料
型號： MC7905
廠商： Motorola, Inc.
英文描述： THREE-TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS
中文描述： 三端負固定電壓調節(jié)器
文件頁數： 3/12頁
文件大?。?/td> 186K
代理商： MC7905
MC7900
3
MOTOROLA ANALOG IC DEVICE DATA
MC7905AC
ELECTRICAL CHARACTERISTICS
(VI = –10 V, IO = 500 mA, 0
°
C < TJ < +125
°
C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25
°
C)
Line Regulation (Note 1)
–8.0 Vdc
≥
VI
≥
–12 Vdc; IO = 1.0 A, TJ = +25
°
C
–8.0 Vdc
≥
VI
≥
–12 Vdc; IO = 1.0 A
–7.5 Vdc
≥
VI
≥
–25 Vdc; IO = 500 mA
–7.0 Vdc
≥
VI
≥
–20 Vdc; IO = 1.0 A, TJ = +25
°
C
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
VO
–4.9
–5.0
–5.1
Vdc
Regline
–
–
–
–
2.0
7.0
7.0
6.0
25
50
50
50
mV
Regload
–
–
–
11
4.0
9.0
100
50
100
mV
Output Voltage
–7.5 Vdc
≥
VI
≥
–20 Vdc, 5.0 mA
≤
IO
≤
1.0 A, P
≤
15 W
VO
–4.80
–
–5.20
Vdc
Input Bias Current
IIB
IIB
–
4.4
8.0
mA
Input Bias Current Change
–7.5 Vdc
≥
VI
≥
–25 Vdc
5.0 mA
≤
IO
≤
1.0 A
5.0 mA
≤
IO
≤
1.5 A, TJ = +25
°
C
Output Noise Voltage (TA = +25
°
C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (IO = mA, f = 120 Hz)
Dropout Voltage
IO = 1.0 A. TJ = +25
°
C
–
–
–
–
–
–
1.3
0.5
0.5
mA
Vn
RR
–
40
–
μ
V
–
70
–
dB
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
MC7905.2C
ELECTRICAL CHARACTERISTICS
(VI = –10 V, IO = 500 mA, 0
°
C < TJ < +125
°
C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25
°
C)
Line Regulation (Note 1)
(TJ = +25
°
C, IO = 100 mA)
–7.2 Vdc
≥
VI
≥
–25 Vdc
–8.0 Vdc
≥
VI
≥
–12 Vdc
(TJ = +25
°
C, IO = 500 mA)
–7.2 Vdc
≥
VI
≥
–25 Vdc
–8.0 Vdc
≥
VI
≥
–12 Vdc
Load Regulation, TJ = +25
°
C (Note 1)
5.0 mA
≤
IO
≤
1.5 A
250 mA
≤
IO
≤
750 mA
VO
–5.0
–5.2
–5.4
Vdc
Regline
–
–
–
–
8.0
2.2
37
8.5
52
27
105
52
mV
Regload
–
–
12
4.5
105
52
mV
Output Voltage
–7.2 Vdc
≥
VI
≥
–20 Vdc, 5.0 mA
≤
IO
≤
1.0 A, P
≤
15 W
VO
–4.95
–
–5.45
Vdc
Input Bias Current (TJ = +25
°
C)
Input Bias Current Change
–7.2 Vdc
≥
VI
≥
–25 Vdc
5.0 mA
≤
IO
≤
1.5 A
Output Noise Voltage (TA = +25
°
C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (IO = 20 mA, f = 120 Hz)
Dropout Voltage
IO = 1.0 A, TJ = +25
°
C
IIB
IIB
–
4.3
8.0
mA
–
–
–
–
1.3
0.5
mA
Vn
RR
–
42
–
μ
V
–
68
–
dB
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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