參數(shù)資料
型號： MC7918
廠商： ON SEMICONDUCTOR
元件分類： 基準電壓源/電流源
英文描述： 1.0 A Negative Voltage Regulators(1.0 A 負向穩(wěn)壓器)
中文描述： 1.0負電壓穩(wěn)壓器（1.0甲負向穩(wěn)壓器）
文件頁數(shù)： 3/16頁
文件大?。?/td> 124K
代理商： MC7918
MC7900 Series
http://onsemi.com
3
MC7905AC
ELECTRICAL CHARACTERISTICS
(V
I
= –10 V, I
O
= 500 mA, 0
°
C < T
J
< +125
°
C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
°
C)
V
O
–4.9
–5.0
–5.1
Vdc
Line Regulation (Note 2)
–8.0 Vdc
≥
V
I
≥
–12 Vdc; I
O
= 1.0 A, T
J
= +25
°
C
–8.0 Vdc
≥
V
I
≥
–12 Vdc; I
O
= 1.0 A
–7.5 Vdc
≥
V
I
≥
–25 Vdc; I
O
= 500 mA
–7.0 Vdc
≥
V
I
≥
–20 Vdc; I
O
= 1.0 A, T
J
= +25
°
C
Reg
line
–
–
–
–
2.0
7.0
7.0
6.0
25
50
50
50
mV
Load Regulation (Note 2)
5.0 mA
≤
I
O
≤
1.5 A, T
J
= +25
°
C
250 mA
≤
I
O
≤
750 mA
5.0 mA
≤
I
O
≤
1.0 A
Reg
load
–
–
–
11
4.0
9.0
100
50
100
mV
Output Voltage
–7.5 Vdc
≥
V
I
≥
–20 Vdc, 5.0 mA
≤
I
O
≤
1.0 A, P
≤
15 W
V
O
–4.80
–
–5.20
Vdc
Input Bias Current
I
IB
–
4.4
8.0
mA
Input Bias Current Change
–7.5 Vdc
≥
V
I
≥
–25 Vdc
5.0 mA
≤
I
O
≤
1.0 A
5.0 mA
≤
I
O
≤
1.5 A, T
J
= +25
°
C
I
IB
–
–
–
–
–
–
1.3
0.5
0.5
mA
Output Noise Voltage (T
A
= +25
°
C, 10 Hz
≤
f
≤
100 kHz)
V
n
–
40
–
μ
V
Ripple Rejection (I
O
= mA, f = 120 Hz)
RR
–
70
–
dB
Dropout Voltage (I
O
= 1.0 A. T
J
= +25
°
C)
V
I
–V
O
–
2.0
–
Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 A, 0
°
C
≤
T
J
≤
+125
°
C
V
O
/
T
–
–1.0
–
mV/
°
C
MC7905.2C
ELECTRICAL CHARACTERISTICS
(V
I
= –10 V, I
O
= 500 mA, 0
°
C < T
J
< +125
°
C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
°
C)
V
O
–5.0
–5.2
–5.4
Vdc
Line Regulation (Note 2)
(T
J
= +25
°
C, I
O
= 100 mA)
–7.2 Vdc
≥
V
I
≥
–25 Vdc
–8.0 Vdc
≥
V
I
≥
–12 Vdc
(T
J
= +25
°
C, I
O
= 500 mA)
–7.2 Vdc
≥
V
I
≥
–25 Vdc
–8.0 Vdc
≥
V
I
≥
–12 Vdc
Reg
line
–
–
–
–
8.0
2.2
37
8.5
52
27
105
52
mV
Load Regulation, T
J
= +25
°
C (Note 2)
5.0 mA
≤
I
O
≤
1.5 A
250 mA
≤
I
O
≤
750 mA
Reg
load
–
–
12
4.5
105
52
mV
Output Voltage
–7.2 Vdc
≥
V
I
≥
–20 Vdc, 5.0 mA
≤
I
O
≤
1.0 A, P
≤
15 W
V
O
–4.95
–
–5.45
Vdc
Input Bias Current (T
J
= +25
°
C)
I
IB
–
4.3
8.0
mA
Input Bias Current Change
–7.2 Vdc
≥
V
I
≥
–25 Vdc
5.0 mA
≤
I
O
≤
1.5 A
I
IB
–
–
–
–
1.3
0.5
mA
Output Noise Voltage (T
A
= +25
°
C, 10 Hz
≤
f
≤
100 kHz)
V
n
–
42
–
μ
V
Ripple Rejection (I
O
= 20 mA, f = 120 Hz)
RR
–
68
–
dB
Dropout Voltage (I
O
= 1.0 A, T
J
= +25
°
C)
V
I
–V
O
–
2.0
–
Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA, 0
°
C
≤
T
J
≤
+125
°
C
V
O
/
T
–
–1.0
–
mV/
°
C
2. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
相關PDF資料
PDF描述
MC79L00A 100 mA Negative Voltage Regulators(三端小電流負固定電壓的穩(wěn)壓器)
MC79L05 100 mA Negative Voltage Regulators(三端小電流負固定電壓的穩(wěn)壓器)
MC79L12 100 mA Negative Voltage Regulators(三端小電流負固定電壓的穩(wěn)壓器)
MC79L15 100 mA Negative Voltage Regulators(三端小電流負固定電壓的穩(wěn)壓器)
MC79L18 100 mA Negative Voltage Regulators(100 mA負向穩(wěn)壓器)
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