參數(shù)資料
型號(hào): TC1055-3.6VCT
廠(chǎng)商: Microchip Technology Inc.
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: 50mA, 100mA and 150mA CMOS LDOs with Shutdown and ERROR Output
中文描述: 為50mA,100mA的電流為150mA的CMOS關(guān)機(jī)和錯(cuò)誤LDO的輸出
文件頁(yè)數(shù): 2/18頁(yè)
文件大小: 501K
代理商: TC1055-3.6VCT
TC1054/TC1055/TC1186
DS21350B-page 2
2002 Microchip Technology Inc.
General Description
The TC1054, TC1055 and TC1186 are high accuracy
(typically ±0.5%) CMOS upgrades for older (bipolar)
low dropout regulators. Designed specifically for
battery-operated
systems,
construction
eliminates
significantly extending battery life. Total supply current
is typically 50
μ
A at full load (20 to 60 times lower than
in bipolar regulators).
the
devices’
ground
CMOS
current,
wasted
The devices’ key features include ultra low noise
operation, very low dropout voltage – typically 85mV
(TC1054); 180mV (TC1055); and 270mV (TC1186) at
full load — and fast response to step changes in load.
An error output (ERROR) is asserted when the devices
are out-of-regulation (due to a low input voltage or
excessive output current). ERROR can be used as a
low battery warning or as a processor RESET signal
(with the addition of an external RC network). Supply
current is reduced to 0.5
μ
A (max) and both V
OUT
and
ERROR are disabled when the shutdown input is low.
The devices incorporate both over-temperature and
over-current protection.
The TC1054, TC1055 and TC1186 are stable with an
output capacitor of only 1
μ
F and have a maximum
output
current
of
50mA,
respectively. For higher output current regulators,
please see the TC1173 (I
OUT
= 300mA) data sheet.
100mA
and
150mA,
Typical Application
TC1054
TC1055
TC1186
V
OUT
GND
1
μ
F
+
V
IN
V
IN
V
OUT
1
5
2
4
3
SHDN
Shutdown Control
(from Power Control Logic)
ERROR
ERROR
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