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参数资料
| 型号： | LTC3108IGN-1#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PDSO12 |
| 封装： | 0.150 INCH, LEAD FREE, PLASTIC, SSOP-16 |
| 文件页数： | 1/24页 |
| 文件大小： | 1593K |
| 代理商： | LTC3108IGN-1#PBF |
LTC3108-1
31081f
Typical applicaTion
DescripTion
Ultralow Voltage Step-Up
Converter and Power Manager
TheLTC3108-1isahighlyintegratedDC/DCconverterideal
forharvestingandmanagingsurplusenergyfromextremely
low input voltage sources such as TEGs (thermoelectric
generators),thermopilesandsmallsolarcells.Thestep-up
topology operates from input voltages as low as 20mV.
Usingasmallstep-uptransformer,theLTC3108-1provides
acompletepowermanagementsolutionforwirelesssens-
ing and data acquisition. The 2.2V LDO powers an external
microprocessor, while the main output is programmed to
one of four fixed voltages to power a wireless transmitter
orsensors.Thepowergoodindicatorsignalsthatthemain
output voltage is within regulation. A second output can be
enabled by the host. A storage capacitor provides power
when the input voltage source is unavailable. Extremely
low quiescent current and high efficiency design ensure
the fastest possible charge times of the output reservoir
capacitor. The LTC3108-1 is functionally equivalent to the
LTC3108 except for its unique fixed VOUT options.
The LTC3108-1 is available in a small, thermally enhanced
12-lead (3mm
× 4mm) DFN package and a 16-lead SSOP
package.
Wireless Remote Sensor Application
Powered From a Peltier Cell
FeaTures
applicaTions
n
Operates from Inputs of 20mV
n
Complete Energy Harvesting Power
Management System
- Selectable VOUT of 2.5V, 3V, 3.7V or 4.5V
- LDO: 2.2V at 3mA
- Logic Controlled Output
- Reserve Energy Output
n
Power Good Indicator
n
Uses Compact Step-Up Transformers
n
Small 12-Lead (3mm
× 4mm) DFN or 16-Lead
SSOP Packages
n
Remote Sensors and Radio Power
n
Surplus Heat Energy Harvesting
n
HVAC Systems
n
Industrial Wireless Sensing
n
Automatic Metering
n
Building Automation
n
Predictive Maintenance
31081 TA01a
C1
THERMOELECTRIC
GENERATOR
20mV TO 500mV
C2
SW
VS2
VS1
VOUT2
PGOOD
2.2V
470F
PGD
VLDO
VSTORE
+
VOUT
VOUT2_EN
LTC3108-1
VAUX
GND
0.1F
6.3V
5.25V
3V
1F
1nF
220F
1:100
330pF
SENSORS
RF LINK
P
2.2F
+
VOUT Charge Time
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
VIN (mV)
TIME
(sec) 10
1
100
1000
0
31081 TA01b
0
100 150
250
50
200
300 350 400
VOUT = 3V
COUT = 470F
1:100 Ratio
1:50 Ratio
1:20 Ratio
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| LTC3112IDHD#PBF | 12 A SWITCHING REGULATOR, 825 kHz SWITCHING FREQ-MAX, PDSO16 |
| LTC3112IFE#PBF | 12 A SWITCHING REGULATOR, 825 kHz SWITCHING FREQ-MAX, PDSO20 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3108IGN-1-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultralow Voltage Step-Up Converter and Power Manager |
| LTC3108IGNPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultralow Voltage Step-Up Converter and Power Manager |
| LTC3108IGN-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultralow Voltage Step-Up Converter and Power Manager |
| LTC3108IGNTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultralow Voltage Step-Up Converter and Power Manager |
| LTC3108IGN-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultralow Voltage Step-Up Converter and Power Manager |
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