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參數(shù)資料
| 型號(hào)： | MCT7812BT |
| 廠商： | MOTOROLA INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| 中文描述： | 12 V FIXED POSITIVE REGULATOR, PSFM3 |
| 封裝： | PLASTIC, SFM-3 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 224K |
| 代理商： | MCT7812BT |
Order this document by MCT7800/D
THREE-TERMINAL
POSITIVE FIXED
VOLTAGE REGULATORS
Pin 1. Input
2. Ground
3. Output
STANDARD APPLICATION
A common ground is required between the
input and the output voltages. The input voltage
must remain typically 2.0 V above the output
voltage even during the low point on the input
ripple voltage.
XX, these two digits of the type number indicate
nominal voltage.
*
* Cin is required if regulator is located an
appreciable distance from power supply filter.
** Some CO is recommended for stability; it does
improve transient response. Values less than
0.1
μ
F could cause instability.
MCT78XX
Input
Cin*
0.33
μ
F
CO**
Output
T SUFFIX
PLASTIC PACKAGE
CASE 221A
Heatsink surface
connected to Pin 2.
D2T SUFFIX
PLASTIC PACKAGE
CASE 936
(D2PAK)
3
12
3
1
2
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
1
MCT7800
MOTOROLA
These voltage regulators are monolithic integrated circuits designed as
fixed-voltage regulators for a wide variety of applications including local,
on-card regulation. These regulators employ internal current limiting,
thermal shutdown, and safe-area compensation. With adequate heatsinking
they can deliver output currents in excess of 1.0 A. Although designed
primarily as fixed voltage regulators, these devices can be used with
external components to obtain adjustable voltages and currents.
Output Current in Excess of 1.0 A
No External Components Required
Internal Thermal Overload Protection
Internal Short Circuit Current Limiting
Output Transistor Safe-Area Compensation
Output Voltage Offered with a 4% Tolerance
Available in Surface Mount D2PAK and Standard 3-Lead Transistor
Packages
This MCT-prefixed device is intended to be a possible replacement for the similar
device with the MC-prefix. Because the MCT device originates from different source
material, there may be subtle differences in typical parameter values or
characteristic curves. Due to the diversity of potential applications, Motorola can not
assure identical performance in all circuits. Motorola recommends that the
customer qualify the MCT-prefixed device in each potential application.
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
MCT7805
MCT7806
MCT7808
MCT7809
5.0 V
6.0 V
8.0 V
9.0 V
MCT7812
MCT7815
MCT7818
MCT7824
12 V
15 V
18 V
24 V
ORDERING INFORMATION
Device
Output Voltage
Tolerance
Tested Operating
Temperature Range
Package
MCT78XXBD2T
4%
TJ = – 40
°
to +125
°
C
Surface Mount
MCT78XXBT
Insertion Mount
MCT78XXCD2T
TJ = 0
°
to +125
°
C
Surface Mount
MCT78XXCT
Insertion Mount
XX indicates nominal voltage.
Motorola, Inc. 1994
Rev 3
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