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參數(shù)資料
| 型號： | LT1173 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Micropower DC/DC Converter Adjustable and Fixed 5V, 12V(微功耗，固定輸出12V或5V及可調(diào)輸出，DC/DC變換器（工作于步升和步降兩種模式）) |
| 中文描述： | 微功率DC / DC轉(zhuǎn)換可調(diào)和固定5V，12V的（微功耗，固定輸出12V的或5V的及可調(diào)輸出，直流/直流變換器（工作于步升和步降兩種模式）） |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 256K |
| 代理商： | LT1173 |
LT1173
1
Micropower
DC/DC Converter
Adjustable and Fixed 5V, 12V
V
5V/DIV
0V
PROGRAM
5V/DIV
5ms/DIV
1173 TA02
L1*
100
μ
H
LT1173 TA01
+
GND
SW2
FB
SW1
LIM
I
IN
V
LT1173
10 F
SANYO
OS-CON
100 F
μ
12V
100mA
1N5818
+
5V
IN
1N4148
PROGRAM
47
*L1 = GOWANDA GA20-103K
COILTRONICS CTX100-4
NO OVERSHOOT
1.07M
124k
EFFICIENCY = 81%
= 1% METAL FILM
Logic Controlled Flash Memory VPP Generator
VPP Output
D
The LT1173 is a versatile micropower DC-DC converter.
The device requires only three external components to
deliver a fixed output of 5V or 12V. Supply voltage ranges
from 2.0V to 12V in step-up mode and to 30V in step-down
mode. The LT1173 functions equally well in step-up, step-
down or inverting applications.
U
ESCRIPTIO
S
FEATURE
U
S
A
O
PPLICATI
and LTC are registered trademarks and LT is a trademark of Linear Technology Corporation.
I
Operates at Supply Voltages From 2.0V to 30V
I
Consumes Only 110
μ
A Supply Current
I
Works in Step-Up or Step-Down Mode
I
Only Three External Components Required
I
Low Battery Detector Comparator On-Chip
I
User-Adjustable Current Limit
I
Internal 1A Power Switch
I
Fixed or Adjustable Output Voltage Versions
I
Space Saving 8-Pin MiniDIP or SO8 Package
The LT1173 consumes just 110
μ
A supply current at
standby, making it ideal for applications where low quies-
cent current is important. The device can deliver 5V at
80mA from a 3V input in step-up mode or 5V at 200mA
from a 12V input in step-down mode.
Switch current limit can be programmed with a single
resistor. An auxiliary gain block can be configured as a low
battery detector, linear post regulator, under voltage lock-
out circuit or error amplifier.
For input sources of less than 2V, use the LT1073.
I
Flash Memory Vpp Generators
I
3V to 5V, 5V to 12V Converters
I
9V to 5V, 12V to 5V Converters
I
LCD Bias Generators
I
Peripherals and Add-On Cards
I
Battery Backup Supplies
I
Laptop and Palmtop Computers
I
Cellular Telephones
I
Portable Instruments
U
S
A
O
PPLICATI
TYPICAL
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1173-12 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1173-5 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1173CN8 | 功能描述:IC REG BUCK BST INV ADJ .4A 8DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC |
| LT1173CN8#PBF | 功能描述:IC REG BUCK BST INV ADJ .4A 8DIP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 產(chǎn)品培訓(xùn)模塊:MIC23xxx HyperLight Load™ Regulators 標準包裝:5,000 系列:HyperLight Load® 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.8V 輸入電壓:2.7 V ~ 5.5 V PWM 型:混合物 頻率 - 開關(guān):4MHz 電流 - 輸出:2A 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤，8-MLF? 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-MLF?（2x2） 產(chǎn)品目錄頁面:1094 (CN2011-ZH PDF) 其它名稱:576-3303-2 |
| LT1173CN8-12 | 功能描述:IC REG BUCK BST INV 12V .4A 8DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
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