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參數(shù)資料
| 型號： | LT3471 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Dual 1.3A, 1.2MHz Boost/Inverter in 3mm ???? 3mm DFN |
| 中文描述： | 雙1.3a標(biāo)準，1.2MHz的升壓/逆變器采用3mm？？？？ 3mm DFN封裝 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 266K |
| 代理商： | LT3471 |
1
LT3471
3471f
Dual 1.3A, 1.2MHz
Boost/Inverter in
3mm
×
3mm DFN
DESCRIPTIOU
■
1.2MHz Switching Frequency
■
Low V
CESAT
Switches: 330mV at 1.3A
■
High Output Voltage: Up to 40V
■
Wide Input Range: 2.4V to 16V
■
Inverting Capability
■
5V at 630mA from 3.3V Input
■
12V at 320mA from 5V Input
■
–12V at 200mA from 5V Input
■
Uses Tiny Surface Mount Components
■
Low Shutdown Current: <1
μ
A
■
Low Profile (0.75mm) 10-Lead 3mm
×
3mm
DFN Package
APPLICATIU
OLED Driver
■
Organic LED Power Supply
■
Digital Cameras
■
White LED Power Supply
■
Cellular Phones
■
Medical Diagnostic Equipment
■
Local
±
5V or
±
12V Supply
■
TFT-LCD Bias Supply
■
xDSL Power Supply
The LT
3471 dual switching regulator combines two 42V,
1.3A switches with error amplifiers that can sense to
ground providing boost and inverting capability. The low
V
CESAT
bipolar switches enable the device to deliver high
current outputs in a small footprint. The LT3471 switches
at 1.2MHz, allowing the use of tiny, low cost and low
profile inductors and capacitors. High inrush current at
start-up is eliminated using the programmable soft-start
function, where an external RC sets the current ramp rate.
A constant frequency current mode PWM architecture
results in low, predictable output noise that is easy to filter.
The LT3471 switches are rated at 42V, making the device
ideal for boost converters up to
±
40V as well as SEPIC and
flyback designs. Each channel can generate 5V at up to
630mA from a 3.3V supply, or 5V at 510mA from four
alkaline cells in a SEPIC design. The device can be config-
ured as two boosts, a boost and inverter or two inverters.
The LT3471 is available in a low profile (0.75mm) 10-lead
3mm
×
3mm DFN package.
OLED Driver Efficiency
FEATURES
TYPICAL APPLICATIO
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
4.7k
CONTROL 1
3471 TA01
0.33
μ
F
10
μ
F
4.7k
CONTROL 2
0.33
μ
F
V
IN
SHDN/SS1
FB1N
FB1P
V
REF
SW1
SW2
LT3471
10
μ
H
15
μ
H
GND
V
IN
3.3V
FB2P
FB2N
0.1
μ
F
4.7
μ
F
V
OUT1
7V
350mA
V
OUT2
–7V
250mA
75pF
15k
90.9k
15k
105k
1
μ
F
SHDN/SS2
V
IN
V
IN
10
μ
F
2.2
μ
H
I
OUT
(mA)
0
E
75
80
85
400
3471 TA01b
70
65
50
100
200
300
60
55
95
90
V
OUT1
= 7V
V
OUT1
= –7V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT3471EDD | 制造商:Linear Technology 功能描述:Conv DC-DC Dual Inv/Step Up 2.4V to 16V 10-Pin DFN EP |
| LT3471EDD#PBF | 功能描述:IC REG MULTI CONFIG ADJ DL 10DFN 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)準包裝:250 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 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:6-SON（1.45x1） 產(chǎn)品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| LT3471EDD#PBF | 制造商:Linear Technology 功能描述:DC/DC Converter IC 制造商:Linear Technology 功能描述:IC, DUAL BOOST/INVERTER REGULATOR, DFN10 |
| LT3471EDD#TR | 制造商:Linear Technology 功能描述:Conv DC-DC Dual Inv/Step Up 2.4V to 16V 10-Pin DFN EP T/R |
| LT3471EDD#TRPBF | 功能描述:IC REG MULTI CONFIG ADJ DL 10DFN 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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