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参数资料
| 型号： | LTC3459EDCB#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.09 A SWITCHING REGULATOR, PDSO6 |
| 封装： | 2 X 3 MM, LEAD FREE, PLASTIC, MO-229, DFN-6 |
| 文件页数： | 1/12页 |
| 文件大小： | 216K |
| 代理商： | LTC3459EDCB#PBF |
LTC3459
1
3459fc
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
10V Micropower
Synchronous Boost Converter
The LTC3459 is a low current, high efciency synchronous
boost converter intended for low power, size constrained
portable applications. The LTC3459 can be powered from
a single lithium ion battery, a 2- to 3-cell stack of alkaline
or nickel batteries, or any low impedance voltage source
between 1.5V and 5.5V. The output is programmable via
an external divider between 2.5V and 10V. Although the
part is primarily intended for boost applications, VOUT will
maintain regulation below VIN (at reduced efciency).
The LTC3459 offers Burst Mode operation with a xed
peak current, providing high conversion efciency over
a wide range of load currents. During start-up, inductor
current is controlled preventing the inrush surge current
found in many boost converters. In shutdown the output
is disconnected from the input and quiescent current is
reduced to <1μA.
The LTC3459 is offered in low prole 6-pin 2mm
× 2mm
DFN, 2mm
× 3mm DFN or SOT-23 (ThinSOTTM) packages,
allowing a tiny footprint for the total solution.
5V to 8V Converter
n Small Solution Size
n >85% Efciency over Wide Load Range
n Internal Synchronous Rectier
n VIN Range: 1.5V to 5.5V
n 5V at 30mA from 3.3V Input
n 3.3V at 20mA from 2 AA Cell Input
n Programmable Output Voltages Up to 10V
n Burst Mode Operation
n Inrush Current Limiting
n Output Disconnect in Shutdown
n Ultralow Quiescent (10μA) and Shutdown (<1μA)
Currents
n Low Prole 2mm
× 2mm DFN, 2mm × 3mm DFN or
SOT-23 Package
n General Purpose Micropower Boost
n Digital Cameras
n PDAs
n LCD Bias
n Small OLED Displays
n Supercap Charging
, LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology
Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
Efciency
SW
22μH
VIN
2M
47pF
VOUT
8V
30mA
4.7μF
1μF
5V
LTC3459
SHDN
VOUT
FB
OFF ON
GND
365k
3459 TA01a
ILOAD (mA)
60
EFFICIENCY
(%)
70
80
90
100
0.01
1
10
100
3459 TA01b
50
0.1
VIN = 5V
VOUT = 8V
相关PDF资料 |
PDF描述 |
|---|---|
| LTC3459ES6#PBF | 0.09 A SWITCHING REGULATOR, PDSO6 |
| LTC3520IUF#TRPBF | DUAL SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PQCC24 |
| LTC3520IUF#PBF | DUAL SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PQCC24 |
| LTC3539EDCB#PBF | 2.6 A SWITCHING REGULATOR, 1300 kHz SWITCHING FREQ-MAX, PDSO8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3459EDCB-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:10V Micropower Synchronous Boost Converter |
| LTC3459EDCPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:10V Micropower Synchronous Boost Converter |
| LTC3459EDC-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:10V Micropower Synchronous Boost Converter |
| LTC3459EDC-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:10V Micropower Synchronous Boost Converter |
| LTC3459ES6 | 制造商:LINER 制造商全称:Linear Technology 功能描述:10V Micropower Synchronous Boost Converter in ThinSOT |
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