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LTC3410 - LTC3410是2.25MHz, 300mA Synchronous Step-Down Regulator in SC70

LTC3410是LINEAR凌力尔特公司的一款微功率降压产品，LTC3410是LTC3410是2.25MHz, 300mA Synchronous Step-Down Regulator in SC70，本站介绍了LTC3410的封装应用图解、特点和优点、功能等，并给出了与LTC3410相关的LINEAR元器件型号供参考。

LTC3410 - LTC3410是2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 - 微功率降压 - 电源管理 - 凌力尔特

LTC3410 - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70

LTC3410 - 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 - Linear Technology（凌力尔特）

功能描述

The LTC3410 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in adjustable and fixed output voltage versions. Supply current during operation is only 26μA, dropping to <1μA in shutdown. The 2.5V to 5.5V input voltage range makes the LTC3410 ideally suited for single Li-Ion battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems.

Switching frequency is internally set at 2.25MHz, allowing the use of small surface mount inductors and capacitors. The LTC3410 is specifically designed to work well with ceramic output capacitors, achieving very low output voltage ripple and a small PCB footprint.

The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. Low output voltages are easily supported with the 0.8V feedback reference voltage. The LTC3410 is available in a tiny, low profile SC70 package.

特点

High Efficiency: Up to 96%

Low Ripple (20m Vp-p) Bust Mode Operation: IQ = 26μA

Low Output Voltage Ripple

300mA Output Current at VIN = 3V

380mA Minimum Peak Switch Current

2.5V to 5.5V Input Voltage Range

2.25MHz Constant Frequency Operation

No Schottky Diode Required

Low Dropout Operation: 100% Duty Cycle

Stable with Ceramic Capacitors

0.8V Reference Allows Low Output Voltages

Shutdown Mode Draws < 1μA Supply Current

±2% Output Voltage Accuracy

Current Mode Operation for Excellent Line and Load Transient Response

Overtemperature Protected

Available in Low Profile SC70 Package

应用

Cellular Telephones

Wireless and DSL Modems

Digital Cameras

MP3 Players

Portable Instruments

以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）

器件型号	封装	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量)
LTC3410ESC6	SC-70	E	$2.21
LTC3410ESC6-1.2#PBF	SC-70	E	$2.21
LTC3410ESC6-1.2#TR	SC-70	E	$2.21	$1.56
LTC3410ESC6-1.2#TRM	SC-70	E	$2.21	$1.61
LTC3410ESC6-1.2#TRMPBF	SC-70	E	$2.21	$1.61
LTC3410ESC6-1.2#TRPBF	SC-70	E	$2.21	$1.56
LTC3410ESC6-1.5#PBF	SC-70	E	$2.21
LTC3410ESC6-1.5#TR	SC-70	E	$2.21	$1.56
LTC3410ESC6-1.5#TRM	SC-70	E	$2.21	$1.61
LTC3410ESC6-1.5#TRMPBF	SC-70	E	$2.21	$1.61
LTC3410ESC6-1.5#TRPBF	SC-70	E	$2.21	$1.56
LTC3410ESC6-1.65#PBF	SC-70	E	$2.21
LTC3410ESC6-1.65#TR	SC-70	E	$2.21	$1.56
LTC3410ESC6-1.65#TRM	SC-70	E	$2.21	$1.61
LTC3410ESC6-1.65#TRMPBF	SC-70	E	$2.21	$1.61
LTC3410ESC6-1.65#TRPBF	SC-70	E	$2.21	$1.56
LTC3410ESC6-1.8#PBF	SC-70	E	$2.21
LTC3410ESC6-1.8#TR	SC-70	E	$2.21	$1.56
LTC3410ESC6-1.8#TRM	SC-70	E	$2.21	$1.61
LTC3410ESC6-1.8#TRMPBF	SC-70	E	$2.21	$1.61
LTC3410ESC6-1.8#TRPBF	SC-70	E	$2.21	$1.56
LTC3410ESC6#PBF	SC-70	E	$2.21
LTC3410ESC6#TR	SC-70	E	$2.21	$1.56
LTC3410ESC6#TRM	SC-70	E	$2.21	$1.58
LTC3410ESC6#TRMPBF	SC-70	E	$2.21	$1.58
LTC3410ESC6#TRPBF	SC-70	E	$2.21	$1.56

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