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參數(shù)資料
型號(hào): LT1110-5
廠商: Linear Technology Corporation
元件分類: DC/DC變換器
英文描述: Micropower DC-DC Converter Adjustable and Fixed 5V, 12V
中文描述: 微功率DC - DC轉(zhuǎn)換可調(diào)和固定5V,12V的
文件頁數(shù): 1/16頁
文件大小: 310K
代理商: LT1110-5
LT1110
1
D
U
ESCRIPTIO
The LT1110 is a versatile micropower DC-DC converter.
The device requires only three external components to
deliver a fixed output of 5V or 12V. The very low minimum
supply voltage of 1.0V allows the use of the LT1110 in
applications where the primary power source is a single
cell. An on-chip auxiliary gain block can function as a low
battery detector or linear post regulator.
The 70kHz oscillator allows the use of surface mount
inductors and capacitors in many applications. Quiescent
current is just 300
μ
A, making the device ideal in remote or
battery powered applications where current consumption
must be kept to a minimum.
The device can easily be configured as a step-up or
step-down converter, although for most step-down
applications or input sources greater than 3V, the LT1111
is recommended. Switch current limiting is user-adjustable
by adding a single external resistor. Unique reverse battery
protection circuitry limits reverse current to safe, non-
destructive levels at reverse supply voltages up to 1.6V.
S
FEATURE
I
Operates at Supply Voltages From 1.0V to 30V
I
Works in Step-Up or Step-Down Mode
I
Only Three External Off-the-Shelf 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 S8 Package
S
A
O
PPLICATI
U
I
Pagers
I
Cameras
I
Single-Cell to 5V Converters
I
Battery Backup Supplies
I
Laptop and Palmtop Computers
I
Cellular Telephones
I
Portable Instruments
I
Laser Diode Drivers
I
Hand-Held Inventory Computers
Micropower
DC-DC Converter
Adjustable and Fixed 5V, 12V
LOAD CURRENT (mA)
0
E
50
60
70
80
85
90
10
20
30
40
LT1110 TA02
75
65
55
5
15
25
35
V
IN
= 1.50V
V
IN
= 1.25V
V
IN
= 1.00V
U
A
O
PPLICATI
All Surface Mount
Single Cell to 5V Converter
TYPICAL
Efficiency
LT1110 TA01
+
GND
SW2
SENSE
SW1
LIM
I
IN
V
5
4
1
3
8
LT1110-5
1.5V
AA CELL*
*ADD 10 F DECOUPLING CAPACITOR IF BATTERY
IS MORE THAN 2" AWAY FROM LT1110.
15
μ
F
TANTALUM
5V
MBRS120T3
SUMIDA
CD54-470K
47
μ
H
OPERATES WITH CELL VOLTAGE 1.0V
2
相關(guān)PDF資料
PDF描述
LT1110CN8-5 Micropower DC-DC Converter Adjustable and Fixed 5V, 12V
LT1110CS8 Dual 4-Input Positive-NAND Gates 14-SOIC 0 to 70
LT1110CS8-12 Dual 4-Input Positive-NAND Gates 14-SSOP 0 to 70
LT1110CS8-5 Micropower DC-DC Converter Adjustable and Fixed 5V, 12V
LT1111CN8-12 Micropower DC/DC Converter Adjustable and Fixed 5V, 12V
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1110CN8 功能描述:IC REG BUCK BOOST ADJ 0.4A 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(biāo)準(zhǔn)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
LT1110CN8#PBF 功能描述:IC REG BUCK BOOST ADJ 0.4A 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:- 標(biāo)準(zhǔn)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
LT1110CN8-12 功能描述:IC REG BUCK BOOST 12V 0.4A 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:- 產(chǎn)品培訓(xùn)模塊:MIC23xxx HyperLight Load™ Regulators 標(biāo)準(zhǔn)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
LT1110CN8-12#PBF 功能描述:IC REG BUCK BOOST 12V 0.4A 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(biāo)準(zhǔn)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
LT1110CN8-5 功能描述:IC REG BUCK BOOST 5V 0.4A 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(biāo)準(zhǔn)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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