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| 型号： | LT3483ES6#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG INV ADJ 0.2A TSOT23-6 |
| 标准包装： | 2,500 |
| 类型： | 反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 -38V |
| 输入电压： | 2.5 V ~ 16 V |
| 电流 - 输出： | 200mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 细型，TSOT-23-6 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | TSOT-23-6 |
LT3483/LT3483A
Internal 40V Schottky Diode
One Resistor Feedback (Other Resistor Inside)
Internal 40V, 200mA/400mA Power Switch
Generates Regulated Negative Outputs to –38V
Low Quiescent Current:
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 (LT3483 Only) and
FEATURES
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40μA in Active Mode
<1μA in Shutdown Mode
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Low Profile 8-Lead DFN (2mm × 2mm × 0.75mm)
Packages
APPLICATIONS
Inverting Micropower
DC/DC Converters
with Schottky
DESCRIPTION
The LT ? 3483/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 40mm 2 . The devices feature a quiescent
current of only 40μA at no load, which further reduces
to 0.1μA 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 10μA 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.
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LCD Bias
Handheld Computers
Battery Backup
Digital Cameras
OLED Bias
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.
TYPICAL APPLICATION
3.6V to –8V DC/DC Converter
Efficiency and Power Loss
10μH
V IN
3.6V
4.7μF
0.22μF
SW
V IN D
LT3483
5pF
10?
806k
V OUT
–8V
25mA
75
70
65
V IN = 3.6V
EFFICIENCY
1000
100
10
SHDN
GND
FB
2.2μF
60
POWER
LOSS
1
3483 TA01a
55
0.1
1
10
0.1
100
LOAD CURRENT (mA)
3483 TA01b
3483fc
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3483IDC#PBF | 制造商:Linear Technology 功能描述:SP-SWREG/Monolithic, Cut Tape 200mA, 40V Inverting COT DC/DC Converters with Int |
| LT3483IDC#TRMPBF | 功能描述:IC REG INV ADJ 0.2A 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3483IDC#TRPBF | 功能描述:IC REG INV ADJ 0.2A 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3483IDC-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Inverting Micropower DC/DC Converter with Schottky |
| LT3483IDC-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Inverting Micropower DC/DC Converter with Schottky |
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