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参数资料
| 型号： | LT3483AEDC#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.46 A SWITCHING REGULATOR, PDSO8 |
| 封装： | 2 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, DFN-8 |
| 文件页数： | 1/12页 |
| 文件大小： | 875K |
| 代理商： | LT3483AEDC#TRPBF |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3483AIDC#TRMPBF | 功能描述:IC REG INV ADJ 0.4A 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 |
| LT3483AIDC#TRPBF | 功能描述:IC REG INV ADJ 0.4A 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 |
| LT3483EDC | 制造商:LINER 制造商全称:Linear Technology 功能描述:Inverting Micropower DC/DC Converter with Schottky |
| LT3483EDC#PBF | 制造商:Linear Technology 功能描述:DC-DC CONVERTER INVERTING ADJ DFN-8 制造商:Linear Technology 功能描述:DC-DC CONVERTER, INVERTING, ADJ, DFN-8 制造商:Linear Technology 功能描述:DC-DC CONVERTER, INVERTING, ADJ, DFN-8, Primary Input Voltage:16V, No. of Outputs:1, No. of Pins:8, Operating Temperature Min:-40C, Operating Temperature Max:85C, MSL:MSL 1 - Unlimited, Package / Case:8-DFN , RoHS Compliant: Yes 制造商:Linear Technology 功能描述:SP-SWREG/Monolithic, Cut Tape Micropower Inverting Boost |
| LT3483EDC#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:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
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