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參數資料
| 型號： | MC7908 |
| 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三端負固定電壓穩壓器) |
| 中文描述： | 1.0負電壓穩壓器（1.0甲三端負固定電壓穩壓器） |
| 文件頁數： | 1/16頁 |
| 文件大小： | 157K |
| 代理商： | MC7908 |
Semiconductor Components Industries, LLC, 2006
August, 2006 Rev. 14
1
Publication Order Number:
MC7900/D
MC7900 Series
1.0 A Negative Voltage
Regulators
The MC7900 series of fixed output negative voltage regulators are
intended as complements to the popular MC7800 series devices.
These negative regulators are available in the same sevenvoltage
options as the MC7800 devices. In addition, one extra voltage option
commonly employed in MECL systems is also available in the
negative MC7900 series.
Available in fixed output voltage options from 5.0 V to 24 V,
these regulators employ current limiting, thermal shutdown, and
safearea compensation making them remarkably rugged under
most operating conditions. With adequate heatsinking they can deliver
output currents in excess of 1.0 A.
No External Components Required
Internal Thermal Overload Protection
Internal Short Circuit Current Limiting
Output Transistor SafeArea Compensation
Available in 2% Voltage Tolerance (See Ordering Information)
PbFree Package May be Available. The GSuffix Denotes a
PbFree Lead Finish
Figure 1. Representative Schematic Diagram
Gnd
V
O
V
I
2
2
3.6 k
1.2 k
1.1 k
2.0 k
1
1
4
2
1
2.0 k
8.0 k
1.0 k
1.6 k
4.0 k
0.3
10 k
10 k
20 k
20 k
20 pF
10 pF
240
750
R
1
R
2
This device contains 26 active transistors.
http://onsemi.com
TO220
T SUFFIX
CASE 221AB
Heatsink surface
connected to Pin 2.
Pin 1. Ground
2. Input
3. Output
D
2
PAK
D2T SUFFIX
CASE 936
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
1
2
3
1
2
3
STANDARD APPLICATION
A common ground is required between the input
and the output voltages. The input voltage must
remain typically 2.0 V above more negative even
during the high point of the input ripple voltage.
These two digits of the type number
indicate nominal voltage.
C
in
is required if regulator is located an
appreciable distance from power supply filter.
C
O
improve stability and transient response.
MC79XX
Input
C
in
*
0.33 F
C
O
**
1.0 F
Output
XX,
*
*
**
See detailed ordering and shipping information in the package
dimensions section on page 11 of this data sheet.
ORDERING INFORMATION
See general marking information in the device marking
section on page 14 of this data sheet.
DEVICE MARKING INFORMATION
相關PDF資料 |
PDF描述 |
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| MC7912 | 1.0 A Negative Voltage Regulators(1.0 A三端負固定電壓穩壓器) |
| MC7915 | 1.0 A Negative Voltage Regulators(1.0 A三端負固定電壓穩壓器) |
| MC7924 | 1.0 A Negative Voltage Regulators(1.0 A三端負固定電壓穩壓器) |
| MC7918 | 1.0 A Negative Voltage Regulators(1.0 A 負向穩壓器) |
| MC79L00A | 100 mA Negative Voltage Regulators(三端小電流負固定電壓的穩壓器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 負載調節: 最大輸入電壓:5.5 V 線路調整率: 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 負載調節: 最大輸入電壓:5.5 V 線路調整率: 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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