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LTC3721-1技术文档下载：

LTC3721-1 - 典型应用图例：

LTC3721-1 - 封装图解：

LINEAR凌力尔特芯片：

LTC3721-1 - LTC3721-1是Push-Pull PWM Controller

LTC3721-1是LINEAR凌力尔特公司的一款反激式、正激式和隔离式控制器产品，LTC3721-1是LTC3721-1是Push-Pull PWM Controller，本站介绍了LTC3721-1的封装应用图解、特点和优点、功能等，并给出了与LTC3721-1相关的LINEAR元器件型号供参考。

LTC3721-1 - LTC3721-1是Push-Pull PWM Controller - 反激式、正激式和隔离式控制器 - 电源管理 - 凌力尔特

LTC3721-1 - Push-Pull PWM Controller

LTC3721-1 - Push-Pull PWM Controller - Linear Technology（凌力尔特）

功能描述

The LTC3721-1 push-pull PWM controller provides all of the control and protection functions necessary for compact and highly efficient, isolated power converters. High integration minimizes external component count, while preserving design flexibility.

The robust push-pull output stages switch at half the oscillator frequency. Dead-time is independently programmed with an external resistor. A UVLO program input provides precise system turn-on and turn off voltages. The LTC3721-1 features peak current mode control with programmable slope compensation and leading edge blanking.

The LTC3721-1 features extremely low operating and start-up currents and reliable short-circuit and overtemperature protection. The LTC3721-1 is offered in 16-pin SSOP and (4mm × 4mm) QFN packages.

特点

High Efficiency Push-Pull PWM

1.5A Sink, 1A Source Output Drivers

Adjustable Push-Pull Dead-Time

Adjustable System Undervoltage Lockout and Hysteresis

Adjustable Leading Edge Blanking

Low Start-Up and Quiescent Currents

Current Mode Operation

Single Resistor Slope Compensation

VCC UVLO and 25mA Shunt Regulator

Programmable Fixed Frequency Operation to 1MHz

Soft-Start, Cycle-by-Cycle Current Limiting and Hiccup Mode Short-Circuit Protection

5V, 15mA Low Dropout Regulator

16-Pin SSOP and (4mm x 4mm) QFN Packages

应用

Telecommunications, Infrastructure Power Systems

Distributed Power Architectures

Server Power Supplies

High Density Power Modules

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)
LTC3721EGN-1	SSOP-16	E	$6.52	$4.45
LTC3721EGN-1#PBF	SSOP-16	E	$6.52	$4.45
LTC3721EGN-1#TR	SSOP-16	E		$4.51
LTC3721EGN-1#TRPBF	SSOP-16	E		$4.51
LTC3721EUF-1	4x4 QFN-16	E	$6.70	$4.55
LTC3721EUF-1#PBF	4x4 QFN-16	E	$6.70	$4.55
LTC3721EUF-1#TR	4x4 QFN-16	E		$4.65
LTC3721EUF-1#TRPBF	4x4 QFN-16	E		$4.65

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