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參數(shù)資料
| 型號(hào)： | LM205 |
| 廠(chǎng)商： | National Semiconductor Corporation |
| 英文描述： | Voltage Regulators |
| 中文描述： | 穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 158K |
| 代理商： | LM205 |
TL/H/7755
L
January 1995
LM105/LM205/LM305/LM305A,
LM376 Voltage Regulators
General Description
The LM105 series are positive voltage regulators similar to
the LM100, except that an extra gain stage has been added
for improved regulation. A redesign of the biasing circuitry
removes any minimum load current requirement and at the
same time reduces standby current drain, permitting higher
voltage operation. They are direct, plug-in replacements for
the LM100 in both linear and switching regulator circuits
with output voltages greater than 4.5V. Important character-
istics of the circuits are:
Y
Output voltage adjustable from 4.5V to 40V
Y
Output currents in excess of 10A possible by adding
external transistors
Y
Load regulation better than 0.1%, full load with current
limiting
Y
DC line regulation guaranteed at 0.03%/V
Y
Ripple rejection on 0.01%V
Y
45 mA output current without external pass transistor
(LM305A)
Like the LM100, they also feature fast response to both load
and line transients, freedom from oscillations with varying
resistive and reactive loads and the ability to start reliably on
any load within rating. The circuits are built on a single sili-
con chip and are supplied in a TO-99 metal can.
The LM105 is specified for operation for
b
55
§
C
s
T
A
s
a
125
§
C, and the LM305/LM305A is specified for 0
§
C
s
T
A
s
a
70
§
C.
Schematic and Connection Diagrams
TL/H/7755–1
Metal Can Package
TL/H/7755–3
Top View
Order Number LM105H, LM105H/883,
SMD
Y
5962-8958801, LM305H or LM305AH
See NS Package Number H08C
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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