參數(shù)資料
型號(hào): LT1120A
廠商: Linear Technology Corporation
英文描述: Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70
中文描述: 微功率比較器和穩(wěn)壓器的關(guān)斷
文件頁數(shù): 5/8頁
文件大?。?/td> 217K
代理商: LT1120A
5
LT1120A
BLOCK DIAGRA
M
W
Pin 1 (Ground).
Pin 2 (Feedback):
This is the feedback point of the
regulator. When operating, it is nominally at 2.5V.
Optimum source resistance is 200k to 500k. The feedback
pin should not be driven below ground or more positive
than 5V.
Pin 3 (Shutdown):
A logic 1 shuts off main regulator.
Caution: noise or leakage into the shutdown pin can affect
output voltage.
Pin 4 (Regulator Output):
Main output, requires 10
μ
F
output capacitor. Can be shorted to V
IN
or ground without
damaging device.
PI
FU
CTIO
N
S
U
U
Pin 5 (Input Supply):
Bypass with 10
μ
F cap. Must always
be more positive than ground.
Pin 6 (Reference):
2.5V can source or sink current. May
be shorted to ground or up to 5V. Voltages in excess of 5V
can damage the device.
Pin 7 (Comparator Output):
May be connected to any
voltage from ground to 36V more positive than ground
(operates above V
IN
). Short circuit protected.
Pin 8 (Comparator Input):
Inverting comparator input.
+
100k
5
7
6
REFERENCE
8
–INPUT
120k
V
IN
COMPARATOR
OUT
4
V
OUT
2
FEEDBACK
3
SHUTDOWN
1
GROUND
REF
2.5V
1120A BD01
The LT1120A is especially suited for micropower system
applications. For example, the comparator section of the
LT1120A may be used as a battery checker to provide an
indication of low battery. Another type of system applica-
tion for the LT1120A would be to generate the equivalent
of split supplies off of a single power input. The regulator
section provides regulated output voltage and the
reference, which can both source and sink current is then
an artificial system ground providing a split supply for
the system.
APPLICATIO
S I
N
FOR
ATIO
U
W
U
For many applications the comparator can be frequency
compensated to operate as an amplifier. Compensation
values for various gains are given in the data sheet. The
comparator gain is purposely low to make it easier to
frequency compensate as an amplifier. The NPN output is
capable of sinking 10mA and can drive loads connected to
voltages in excess of the positive power supply. This is
useful for driving switches or linear regulators off of a
higher input voltage.
相關(guān)PDF資料
PDF描述
LT1120AC Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70
LT1120ACN8 Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70
LT1120ACS8 Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70
LT1158 Half Bridge N-Channel Power MOSFET Driver(半橋,N-溝道功率MOS場效應(yīng)管驅(qū)動(dòng)器)
LT1160 Half-/Full-Bridge N-Channel Power MOSFET Drivers(半橋,N-溝道功率MOS場效應(yīng)管驅(qū)動(dòng)器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1120A_04 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Regulator with Comparator and Shutdown
LT1120AC 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Regulator with Comparator and Shutdown
LT1120ACN8 功能描述:IC REG LDO ADJ 125MA 8-DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正,固定式和可調(diào)式 輸出電壓:3.3V,1.25 V ~ 5.7 V 輸入電壓:4.5 V ~ 7 V 電壓 - 壓降(標(biāo)準(zhǔn)):1.1V @ 1A 穩(wěn)壓器數(shù)量:2 電流 - 輸出:1A 電流 - 限制(最?。?1A 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-252-5,DPak(4 引線 + 接片),TO-252AD 供應(yīng)商設(shè)備封裝:PPAK 包裝:管件 其它名稱:497-3576-5
LT1120ACN8#PBF 功能描述:IC REG LDO ADJ 125MA 8-DIP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:800 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正,固定式 輸出電壓:2.5V 輸入電壓:最高 16V 電壓 - 壓降(標(biāo)準(zhǔn)):0.7V @ 4A 穩(wěn)壓器數(shù)量:1 電流 - 輸出:4A 電流 - 限制(最?。?4.2A 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-263-6,D²Pak(5 引線+接片),TO-263BA 供應(yīng)商設(shè)備封裝:TO-263-5 包裝:帶卷 (TR) 其它名稱:AP1184K525L-13AP1184K525LDITR
LT1120ACS8 功能描述:IC REG LDO ADJ 125MA 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正,固定式 輸出電壓:3V 輸入電壓:2.3 V ~ 5.5 V 電壓 - 壓降(標(biāo)準(zhǔn)):0.035V @ 150mA 穩(wěn)壓器數(shù)量:2 電流 - 輸出:150mA 電流 - 限制(最?。?300mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 裸露焊盤,6-TMLF? 供應(yīng)商設(shè)備封裝:6-TMLF?(1.6x1.6) 包裝:Digi-Reel® 產(chǎn)品目錄頁面:1104 (CN2011-ZH PDF) 其它名稱:576-3018-6