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參數(shù)資料
| 型號(hào)： | LT3463 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Inverting Micropower DC/DC Converter with Schottky in ThinSOT Package |
| 中文描述： | 反向微功率DC / DC變換器的ThinSOT封裝的肖特基 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 150K |
| 代理商： | LT3463 |
1
LT3483
3483f
■
LCD Bias
■
Handheld Computers
■
Battery Backup
■
Digital Cameras
■
OLED Bias
3.6V to –8V DC/DC Converter
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
Patent pending.
Inverting Micropower
DC/DC Converter with
Schottky in ThinSOT Package
■
Internal 40V Schottky Diode
■
One Resistor Feedback (Other Resistor Inside)
■
Internal 40V, 200mA Power Switch
■
Generates Regulated Negative Outputs to –38V
■
Low Quiescent Current:
40
μ
A in Active Mode
<1
μ
A in Shutdown Mode
■
Low V
CESAT
Switch: 200mV at 150mA
■
Wide Input Range: 2.5V to 16V
■
Uses Small Surface Mount Components
■
Output Short-Circuit Protected
■
Available in a 6-Lead SOT-23 Package
APPLICATIU
Efficiency and Power Loss
FEATURES
DESCRIPTIOU
The LT
3483 is a micropower inverting DC/DC converter
with integrated Schottky and one resistor feedback. The
small package size, high level of integration and use of tiny
surface mount components yield a solution size as small
as 40mm
2
. The device features a quiescent current of only
40
μ
A at no load, which further reduces to 0.1
μ
A in
shutdown. A current limited, fixed off-time control scheme
conserves operating current, resulting in high efficiency
over a broad range of load current. A precisely trimmed
10
μ
A feedback current enables one resistor feedback and
virtually eliminates feedback loading of the output. The
40V switch enables voltage outputs up to –38V to be
generated without the use of costly transformers. The
LT3483’s low 300ns off-time permits the use of tiny low
profile inductors and capacitors to minimize footprint and
cost in space-conscious portable applications.
The LT3483 is available in the low profile (1mm) SOT-23
(ThinSOT
TM
) package.
TYPICAL APPLICATIO
U
SW
10
μ
H
D
LT3483
FB
4.7
μ
F
0.22
μ
F
V
IN
10
806k
5pF
2.2
μ
F
3483 TA01a
V
–8V
25mA
V
IN
3.6V
SHDN
GND
LOAD CURRENT (mA)
0.1
55
E
P
60
65
70
75
0.1
1
10
100
V
IN
= 3.6V
POWER
LOSS
1000
1
10
3483 TA01b
100
EFFICIENCY
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT3472 | Inverting Micropower DC/DC Converter with Schottky in ThinSOT Package |
| LT3483 | Inverting Micropower DC/DC Converter with Schottky in ThinSOT Package |
| LT3483ES6 | Inverting Micropower DC/DC Converter with Schottky in ThinSOT Package |
| LT3464 | Micropower Boost Converter with Integrated Schottky and Output Disconnect in ThinSOT |
| LT3464ETS8 | Micropower Boost Converter with Integrated Schottky and Output Disconnect in ThinSOT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT3463A | 制造商:LINER 制造商全稱:Linear Technology 功能描述:20mA LED Driver and OLED Driver with Integrated Schottky in 3mm x 2mm DFN |
| LT3463AEDD | 功能描述:IC REG INV ADJ 0.25A DL 10DFN 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: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(wú) 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 |
| LT3463AEDD#PBF | 功能描述:IC REG INV ADJ 0.25A 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(zhǔn)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(yè)面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| LT3463AEDD#TR | 功能描述:IC REG INV ADJ 0.25A DL 10DFN 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: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(wú) 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 |
| LT3463AEDD#TRPBF | 功能描述:IC REG INV ADJ 0.25A 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(zhǔn)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(wú) 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 |
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