參數(shù)資料
型號: MC7909
廠商: Fairchild Semiconductor Corporation
元件分類: 基準電壓源/電流源
英文描述: 3-Terminal 1A Negative Voltage Regulator
中文描述: 三端1A條負電壓穩(wěn)壓器
文件頁數(shù): 2/18頁
文件大?。?/td> 117K
代理商: MC7909
MC79XX/MC79XXA/LM79XX
2
Absolute Maximum Ratings
Note:
1. Thermal resistance test board
Size: 76.2mm * 114.3mm * 1.6mm(1S0P)
JEDEC standard: JESD51-3, JESD51-7
2. Assume no ambient airflow
Electrical Characteristics (MC7905/LM7905)
(V
I
= -10V, I
O
= 500mA, 0
°
C
T
J
+125
°
C, C
I
=2.2
μ
F, C
O
=1
μ
F, unless otherwise specified.)
Note
3. 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 is used.
Parameter
Input Voltage
Thermal Resistance Junction-Case (Note1)
Thermal Resistance Junction-Air (Note1, 2)
Operating Temperature Range
Storage Temperature Range
Symbol
V
I
R
θ
JC
R
θ
JA
T
OPR
T
STG
Value
-35
5
65
0 ~ +125
-65 ~ +150
Unit
V
°
C/W
°
C
°
C
Parameter
Symbol
Conditions
Min.
-4.8
Typ.
-5.0
Max.
-5.2
Unit
Output Voltage
V
O
T
J
= +25
°
C
I
O
= 5mA to 1A, P
O
15W
V
I
= -7V to -20V
V
-4.75
-5.0
-5.25
Line Regulation (Note3)
V
O
T
J
= +25
°
C
V
I
= -7V to -25V
V
I
= -8V to -12V
-
-
35
8
100
50
mV
Load Regulation (Note3)
V
O
T
J
= +25
°
C
I
O
= 5mA to 1.5A
T
J
=+25
°
C
I
O
= 250mA to 750mA
T
J
=+25
°
C
I
O
= 5mA to 1A
V
I
= -8V to -25V
I
O
= 5mA
f = 10Hz to 100kHz
T
A
=+25
°
C
f = 120Hz
V
I
= 10V
T
J
= +25
°
C
I
O
= 1A
T
J
=+25
°
C, V
I
= -35V
T
J
=+25
°
C
-
10
100
mV
-
3
50
Quiescent Current
I
Q
-
-
-
-
3
6
mA
Quiescent Current Change
I
Q
0.05
0.1
- 0.4
0.5
0.8
-
mA
Temperature Coefficient of V
D
Vo/
T
mV/
°
C
Output Noise Voltage
V
N
-
40
-
μ
V
Ripple Rejection
RR
54
60
-
dB
Dropout Voltage
V
D
-
2
-
V
Short Circuit Current
Peak Current
I
SC
I
PK
-
-
300
2.2
-
-
mA
A
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