參數(shù)資料
型號: TC10734.0VCT713
廠商: Microchip Technology Inc.
英文描述: 50mA and 100mA CMOS LDOs with Shutdown, ERROR Output and VREF Bypass
中文描述: 為50mA和100mA的CMOS低壓降穩(wěn)壓器具有關(guān)斷功能,錯(cuò)誤輸出和VREF繞道
文件頁數(shù): 11/22頁
文件大?。?/td> 651K
代理商: TC10734.0VCT713
2007 Microchip Technology Inc.
DS21354D-page 11
TC1072/TC1073
3.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in
Table 3-1
.
TABLE 3-1:
PIN FUNCTION TABLE
3.1
Input Voltage Supply (V
IN
)
Connect unregulated input supply to the V
IN
pin. If
there is a large distance between the input supply and
the LDO regulator, some input capacitance is
necessary for proper operation. A 1 μF capacitor
connected from V
IN
to ground is recommended for
most applications.
3.2
Ground (GND)
Connect the unregulated input supply ground return to
GND. Also connect the negative side of the 1 μF typical
input decoupling capacitor close to GND and the
negative side of the output capacitor C
OUT
to GND.
3.3
Shutdown Control Input (SHDN)
The regulator is fully enabled when a logic-high is
applied to SHDN. The regulator enters shutdown when
a logic-low is applied to SHDN. During shutdown,
output voltage falls to zero, ERROR is open-circuited
and supply current is reduced to 0.5 μA (maximum).
3.4
Out-Of-Regulation Flag (ERROR)
ERROR goes low when V
OUT
is out-of-tolerance by
approximately – 5%.
3.5
Reference Bypass Input (Bypass)
Connecting a 470 pF to this input further reduces
output noise.
3.6
Regulated Voltage Output (V
OUT
)
Connect the output load to V
OUT
of the LDO. Also
connect the positive side of the LDO output capacitor
as close as possible to the V
OUT
pin.
Pin No.
(6-Pin SOT-23)
Symbol
Description
1
2
V
IN
GND
Unregulated supply input.
Ground terminal.
3
SHDN
Shutdown control input.
4
5
6
ERROR
Bypass
V
OUT
Out-of-Regulation Flag. (Open drain output).
Reference bypass input.
Regulated voltage output.
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