LTC3707IGN

所属类别：开关稳压器
产品名称：高效、两相同步降压型开关稳压器
厂商：LINEAR
生产批号：10+
封装：SSOP28
库存状态：有库存
库存量：3000
最低订购量：1
详细资料：

Product Introduction

LTC3707IGN High-efficiency, two-phase synchronous step-down switching regulator

peculiarity

180° phase difference dual controllers reduce the required input; Induced noise from capacitors and power supplies
OPTI - LOOP ® compensation minimizes C OUT
Output voltage accuracy of ± 1.5% over the entire temperature range
Synchronous drive of dual-channel MOSFETs
Power Supply Good Output Voltage Monitor
DC can be set to a fixed frequency: 150kHz to 300kHz
Wide V IN Range: 4.5V to 28V Operating
Very low pressure drop operation: 99% duty cycle
Adjustable soft-start current rise slope
Foldback output current limit
Latching short circuit shutdown with fail option
Output overvoltage protection
Remote output voltage detection
Low shutdown I Q current: 20μA
5V and 3.3V standby regulators
Optional constant frequency, burst mode (burst mode ®) or PWM mode operation
Small 28-pin narrow SSOP package

Typical applications:

description

The LTC ® 3707 is a high-performance dual-buck switching regulator controller that drives a channel synchronized power MOSFET stage. Its germium frequency current-mode structure allows frequency regulation up to 300kHz. By making two controllers; The output is fully out of phase operation, which minimizes power loss and noise caused by the input capacitor's ESR.

OPT1 - LOOP compensation is allowed in; A wide range of output capacitance and ESR values is optimized for transient response. 0.8V precision reference and good power supply; output indicates that the engineering department is compatible with future microprocessors and has a wide input of 3.5V to 30V; The range of power supplies is adaptable to a wide range of battery chemistries.

Each controller has a RUN/SS loss of MOSFETs; output returns the voltage difference protection circuit locks the bottom MOSFET until V OUT returns to its normal state. Bayern

apply

Laptops and handheld computers, PDAs
Battery charger
Portable instrumentation
Battery-powered digital devices
DC power distribution system

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