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參數(shù)資料
| 型號： | MC7905 |
| 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三端負固定電壓穩(wěn)壓器) |
| 中文描述： | 1.0負電壓穩(wěn)壓器（1.0甲三端負固定電壓穩(wěn)壓器） |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 157K |
| 代理商： | MC7905 |
MC7900 Series
http://onsemi.com
2
MAXIMUM RATINGS
(T
A
= +25
°
C, unless otherwise noted.)
Rating
Symbol
Value
Unit
Input Voltage (5.0 V
≥
V
O
≥
18 V)
Input Voltage
(24 V)
V
I
35
40
Vdc
Power Dissipation
Case 221A
T
A
= +25
°
C
Thermal Resistance, JunctiontoAmbient
Thermal Resistance, JunctiontoCase
Case 936 (D
2
PAK)
T
A
= +25
°
C
Thermal Resistance, JunctiontoAmbient
Thermal Resistance, JunctiontoCase
P
D
JA
JC
Internally Limited
65
5.0
W
°
C/W
°
C/W
P
D
JA
JC
Internally Limited
70
5.0
W
°
C/W
°
C/W
Storage Junction Temperature Range
T
stg
65 to +150
°
C
Junction Temperature
T
J
+150
°
C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
*This device series contains ESD protection and exceeds the following tests:
Human Body Model 2000 V per MIL_STD_883, Method 3015
Machine Model Method 200 V
MC7905B, MC7905C
ELECTRICAL CHARACTERISTICS
(V
I
= 10 V, I
O
= 500 mA, Tlow* < T
J
< +125
°
C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
°
C)
V
O
4.8
5.0
5.2
Vdc
Line Regulation (Note 1)
(T
J
= +25
°
C, I
O
= 100 mA)
7.0 Vdc
≥
V
I
≥
25 Vdc
8.0 Vdc
≥
V
I
≥
12 Vdc
(T
J
= +25
°
C, I
O
= 500 mA)
7.0 Vdc
≥
V
I
≥
25 Vdc
8.0 Vdc
≥
V
I
≥
12 Vdc
Reg
line
7.0
2.0
35
8.0
50
25
100
50
mV
Load Regulation, T
J
= +25
°
C (Note 1)
5.0 mA
≤
I
O
≤
1.5 A
250 mA
≤
I
O
≤
750 mA
Reg
load
11
4.0
100
50
mV
Output Voltage
7.0 Vdc
≥
V
I
≥
20 Vdc, 5.0 mA
≤
I
O
≤
1.0 A, P
≤
15 W
V
O
4.75
5.25
Vdc
Input Bias Current (T
J
= +25
°
C)
I
IB
4.3
8.0
mA
Input Bias Current Change
7.0 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
40
V
Ripple Rejection (I
O
= 20 mA, f = 120 Hz)
RR
70
dB
Dropout Voltage
I
O
= 1.0 A, T
J
= +25
°
C
V
I
V
O
1.3
Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA, Tlow*
≤
T
J
≤
+125
°
C
V
O
/ T
1.0
mV/
°
C
1. 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.
*Tlow = 40
°
C for MC7905B and Tlow = 0
°
C for MC7905C.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC7905.2 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE VOLTAGE REGULATORS |
| MC7905.2ACD2T | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE VOLTAGE REGULATORS |
| MC7905.2ACT | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE VOLTAGE REGULATORS |
| MC7905.2BD2T | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE VOLTAGE REGULATORS |
| MC7905.2BT | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE VOLTAGE REGULATORS |
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