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參數(shù)資料
| 型號： | SG140A |
| 廠商： | Microsemi Corporation |
| 英文描述： | positve fixed voltage regulator |
| 中文描述： | positve固定電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 208K |
| 代理商： | SG140A |
DESCRIPTION
The SG140A/140 series of positive regulators offer self contained, fixed-voltage
capability with up to 1.5A of load current and input voltage up to 50V (SG140A series
only).
These units feature a unique on-chip trimming system to set the output voltages to
within
±
1.5% of nominal on the SG140A series and
±
2.0% on the SG140 series. The
SG140A versions also offer much improved line and load regulation characteristics.
Utilizing an improved Bandgap reference design, problems have been eliminated that
are normally associated with the Zener Diode references, such as drift in output voltage
and large changes in the line and load regulation.
All protective features of thermal shutdown, current limiting, and safe-area control have
been designed into these units and since these regulators require only a small output
capacitor for satisfactory performance, ease of application is assured.
Although designed as fixed-voltage regulators, the output voltage can be increased
through the use of a simple voltage divider. The low quiescent drain current of the
device insures good regulation when this method is used.
Product is available in hermetically sealed TO-257 (isolated), TO-3, TO-66, and
TO-39 power packages.
FEATURES
Output voltage set internally to
±
1.5% on SG140A
Input voltage reange to 50V max.
on SG140A
Two volt input-output differential
Bandgap reference voltage
Excellent line and load regulation
Foldback current limiting
Thermal overload protection
Voltages available - 5V, 12V, 15V
Voltages Not Recommended For
New Designs - 6V, 8V, 18V, 24V
HIGH RELIABILITY FEATURES
- SG140A/140
Available to MIL-STD - 883
Radiation data available
LMI level "S" processing available
SCHEMATIC DIAGRAM
2/90 Rev 1.4 6/97
Copyright
1997
∞
1
∞
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