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參數(shù)資料
| 型號： | MC7908 |
| 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)： | 5/12頁 |
| 文件大?。?/td> | 186K |
| 代理商： | MC7908 |
MC7900
5
MOTOROLA ANALOG IC DEVICE DATA
MC7912C
ELECTRICAL CHARACTERISTICS
(VI = –19 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)
–14.5 Vdc
≥
VI
≥
–30 Vdc
–16 Vdc
≥
VI
≥
–22 Vdc
(TJ = +25
°
C, IO = 500 mA)
–14.5 Vdc
≥
VI
≥
–30 Vdc
–16 Vdc
≥
VI
≥
–22 Vdc
Load Regulation, TJ = +25
°
C (Note 1)
5.0 mA
≤
IO
≤
1.5 A
250 mA
≤
IO
≤
750 mA
VO
–11.5
–12
–12.5
Vdc
Regline
–
–
–
–
13
6.0
55
24
120
60
240
120
mV
Regload
–
–
46
17
240
120
mV
Output Voltage
–14.5 Vdc
≥
VI
≥
–27 Vdc, 5.0 mA
≤
IO
≤
1.0 A, P
≤
15 W
VO
–11.4
–
–12.6
Vdc
Input Bias Current (TJ = +25
°
C)
Input Bias Current Change
–14.5 Vdc
≥
VI
≥
–30 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
–
4.4
8.0
mA
–
–
–
–
1.0
0.5
mA
Vn
RR
–
75
–
μ
V
–
61
–
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
MC7912AC
ELECTRICAL CHARACTERISTICS
(VI = –19 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)
–16 Vdc
≥
VI
≥
–22 Vdc; IO = 1.0 A, TJ = +25
°
C
–16 Vdc
≥
VI
≥
–22 Vdc; IO = 1.0 A
–14.8 Vdc
≥
VI
≥
–30 Vdc; IO = 500 mA
–14.5 Vdc
≥
VI
≥
–27 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
–11.75
–12
–12.25
Vdc
Regline
–
–
–
–
6.0
24
24
13
60
120
120
120
mV
Regload
–
–
–
46
17
35
150
75
150
mV
Output Voltage
–14.8 Vdc
≥
VI
≥
–27 Vdc, 5.0 mA
≤
IO
≤
1.0 A, P
≤
15 W
VO
–11.5
–
–12.5
Vdc
Input Bias Current
IIB
IIB
–
4.4
8.0
mA
Input Bias Current Change
–15 Vdc
≥
VI
≥
–30 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 = 20 mA, f = 120 Hz)
Dropout Voltage
IO = 1.0 A, TJ = +25
°
C
–
–
–
–
–
–
0.8
0.5
0.5
mA
Vn
RR
–
75
–
μ
V
–
61
–
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
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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| MC7908CT | 3-Terminal 1A Negative Voltage Regulator |
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| MC7912A | 3-Terminal 1A Negative Voltage Regulator |
| MC7905 | 3-Terminal 1A Negative Voltage Regulator |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC7908ACD2T | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS |
| MC7908ACT | 功能描述:線性穩(wěn)壓器 - 標準 8V 1A Negative RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MC7908ACTG | 功能描述:線性穩(wěn)壓器 - 標準 8V 1A Negative RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MC7908BD2T | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS |
| MC7908BT | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS |
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