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參數(shù)資料
| 型號(hào)： | MC79M00 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 500 mA Negative Voltage Regulators(500 mA負(fù)向穩(wěn)壓器) |
| 中文描述： | 500毫安負(fù)電壓穩(wěn)壓器（500毫安的負(fù)向穩(wěn)壓器） |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 72K |
| 代理商： | MC79M00 |
MC79M00
http://onsemi.com
4
MC79M15B, C
ELECTRICAL CHARACTERISTICS
(V
I
= –23 V, I
O
= 350 mA, T
low
to T
high
[Note 2], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= 25
°
C)
V
O
–14.4
–15
–15.6
Vdc
Line Regulation, T
J
= 25
°
C (Note 1)
–17.5 Vdc
≥
V
I
≥
–30 Vdc
–18 Vdc
≥
V
I
≥
–28 Vdc
Reg
line
–
–
5.0
3.0
80
50
mV
Load Regulation, T
J
= 25
°
C (Note 1)
5.0 mA
≤
I
O
≤
500 mA
Reg
load
–
30
240
mV
Output Voltage
–17.5 Vdc
≥
V
I
≥
–30 Vdc, 5.0 mA
≤
I
O
≤
350 mA
V
O
–14.25
–
–15.75
Vdc
Input Bias Current (T
J
= 25
°
C)
I
IB
–
4.4
8.0
mA
Input Bias Current Change
–17.5 Vdc
≥
V
I
≥
–30 Vdc, I
O
= 350 mA
5.0 mA
≤
I
O
≤
350 mA, V
I
= –23 V
I
IB
–
–
–
–
0.4
0.4
mA
Output Noise Voltage, T
A
= 25
°
C, 10 Hz
≤
f
≤
100 kHz
V
n
–
90
–
μ
V
Ripple Rejection (f = 120 Hz)
RR
54
60
–
dB
Dropout Voltage
I
O
= 500 mA, T
J
= 25
°
C
V
I
–V
O
–
1.1
–
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
NOTES:
1.Load and line regulation are specified at constant temperature. Change in V
O
due to heating effects must be taken into account separately. Pulse
testing with low duty cycle is used.
2.B = T
low
to T
high
, –40
°
C < T
< 125
°
C
C = T
low
to T
high
, 0
°
C < T
J
< 125
°
C
R
θ
,
J
J
°
PD
Figure 1. DPAK Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
40
50
60
70
80
90
100
0
10
20
30
25
15
5.0
L, LENGTH OF COPPER (mm)
Minimum
Size Pad
L
Free Air
Mounted
Vertically
R
θ
JA
2.0 oz. Copper
0
0.4
0.8
1.2
1.6
2.0
2.4
P
D(max)
for T
A
= 50
°
C
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