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參數(shù)資料
| 型號(hào)： | LT1120 |
| 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(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 152K |
| 代理商： | LT1120 |
1
LT1120
Micropower Regulator with
Comparator and Shutdown
The LT
1120 is a combination micropower positive regu-
lator and free collector comparator on a single monolithic
chip. With only 40
μ
A supply current, the LT1120 can
supply over 125mA of output current. Input voltage range
is from 4.5V to 36V and dropout voltage is 0.6V at 125mA.
Dropout voltage decreases with lower load currents. Also
included on the chip is a class B output 2.5V reference that
can either source or sink current. A shutdown pin allows
logic shutdown of the output.
The comparator can be used for system or battery moni-
toring. For example, the comparator can be used to warn
of low system voltage. Frequency compensation of the
comparator for amplifier applications can be obtained by
adding external output capacitance.
The 2.5V reference will source or sink current. This allows
it to be used as a supply splitter or auxiliary output.
I
40
μ
A Supply Current
I
125mA Output Current
I
2.5V Reference Voltage
I
Reference Output Sources 2mA and Sinks 2mA
I
Open Collector
I
Comparator Sinks 10mA
I
Logic Shutdown
I
0.2V Dropout Voltage
I
Thermal Limiting
I
Available in 8-Lead DIP, SO and Metal Can Packages
I
Battery Systems
I
Battery-Backup System
I
Portable Terminals
I
Portable Instruments
I
Memory Keep-Alive
, LTC and LT are registered trademarks of Linear Technology Corporation.
5V Regulator
Dropout Voltage and Supply Current
OUTPUT CURRENT (mA)
0.1
1
0.01
D
S
0.10
1.00
0.1
1
10
10
100
1000
1120 TA02
+
+
V
IN
V
OUT
FB
GND
SHDN
SHUTDOWN
LT1120
4
0.001
μ
F
1M
1M
25
μ
F
5V
V
IN
> 5.2V
I
Q
= 40
μ
A
1120 TA01
10
μ
F
2
1
3
5
FEATURES
DESCRIPTIOU
APPLICATIU
TYPICAL APPLICATIO
U
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1120C | Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70 |
| LT1120CH | Octal Buffers/Drivers With 3-State Outputs 20-PDIP 0 to 70 |
| LT1120CJ8 | Octal Buffers/Drivers With 3-State Outputs 20-PDIP 0 to 70 |
| LT1120I | Octal Buffers/Drivers With 3-State Outputs 20-SO 0 to 70 |
| LT1120IS8 | Micropower Regulator with Comparator and Shutdown |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1120_03 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Regulator with Comparator and Shutdown |
| LT1120A | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Regulator with Comparator and Shutdown |
| 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 |
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