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參數資料
| 型號： | LT3483IS6#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.23 A SWITCHING REGULATOR, PDSO6 |
| 封裝： | LEAD FREE, PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件頁數： | 1/12頁 |
| 文件大小： | 875K |
| 代理商： | LT3483IS6#PBF |
LT3483/LT3483A
1
3483fc
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
Inverting Micropower
DC/DC Converters
with Schottky
The LT3483/LT3483A are micropower inverting DC/DC
converters 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 40mm2. The devices feature a quiescent
current of only 40A at no load, which further reduces
to 0.1A 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 10A feedback current enables one
resistor feedback and virtually eliminates feedback load-
ing of the output. The 40V switch enables voltage outputs
up to –38V to be generated without the use of costly
transformers. The LT3483/LT3483A’s low 300ns off-time
permits the use of tiny low profile inductors and capaci-
tors to minimize footprint and cost in space-conscious
portable applications.
3.6V to –8V DC/DC Converter
n
Internal 40V Schottky Diode
n
One Resistor Feedback (Other Resistor Inside)
n
Internal 40V, 200mA/400mA Power Switch
n
Generates Regulated Negative Outputs to –38V
n
Low Quiescent Current:
40A in Active Mode
<1A in Shutdown Mode
n
Low VCESAT Switch: 200mV at 150mA
n
Wide Input Range: 2.5V to 16V
n
Uses Small Surface Mount Components
n
Output Short-Circuit Protected
n
Available in a 6-Lead SOT-23 (LT3483 Only) and
Low Profile 8-Lead DFN (2mm
× 2mm × 0.75mm)
Packages
n
LCD Bias
n
Handheld Computers
n
Battery Backup
n
Digital Cameras
n
OLED Bias
Efficiency and Power Loss
SW
10H
D
LT3483
FB
4.7F
0.22F
VIN
10
806k
5pF
2.2F
3483 TA01a
VOUT
–8V
25mA
VIN
3.6V
SHDN
GND
LOAD CURRENT (mA)
0.1
55
EFFICIENCY
(%)
POWER
LOSS
(mW)
60
65
70
75
0.1
1
10
100
VIN = 3.6V
POWER
LOSS
1000
1
10
3483 TA01b
100
EFFICIENCY
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners. Protected by U.S. Patents, including 7710700.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LT3483IS6-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Inverting Micropower DC/DC Converter with Schottky |
| LT3484-0 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Photoflash Capacitor Chargers |
| LT3484EDCB-0 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Photoflash Capacitor Chargers |
| LT3484EDCB-0#TR | 功能描述:IC PHOTOFLASH CAP CHARGER 6-DFN RoHS:否 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標準包裝:1 系列:- 應用:手持/移動設備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應商設備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR |
| LT3484EDCB-0#TRM | 功能描述:IC PHOTOFLASH CAP CHARGER 6-DFN RoHS:否 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標準包裝:1 系列:- 應用:手持/移動設備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應商設備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR |
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