DESCRIPTION

The MP3362 is a fixed-frequency converter ideal

for low-current and high-current boost

applications. The low 0.2V feedback voltage

offers higher efficiency in white LED driver

applications.

The MP3362 regulates the output voltage up to

36V with efficiency as high as 95%. Current

mode regulation and external compensation

components allow the MP3362 control loop to be

optimized across a wide variety of input voltages.

The MP3362 supports analog dimming and

PWM dimming on the same pin. A <2kHz input

dimming frequency initiates PWM dimming,

while an >5kHz input initiates analog dimming.

Soft start, cycle-by-cycle current limiting, and

input under-voltage lockout prevent

overstressing or damaging sensitive external

circuitry during start-up or potential overload

current conditions.

The MP3362 is available in a TSOT23-8

package.

FEATURES

? 3V to 36V Input Voltage Range

? 4A Peak Current Limit

? 0.3μA Shutdown Current

? Low 200mV Feedback Voltage

? Configurable 200kHz to 2.2MHz fSW

? Internal 80mΩ, 40V Power Switch

? High Efficiency

? Analog and PWM Dimming

? Under-Voltage Lockout Protection

? Open/Short LED Protection

? Short FB Protection

? Soft-Start Operation

? Thermal Shutdown

? Available in a TSOT23-8 Package

APPLICATIONS

? Medium-Sized LCD Backlighting

? General Lighting

MP3362屬于集成電路（IC） > LED 驅(qū)動器。美國芯源系統(tǒng)有限公司制造生產(chǎn)的MP3362LED 驅(qū)動器器件屬于 LED 驅(qū)動器電源管理集成電路 (PMIC) 系列，可通過標(biāo)稱固定電壓的電源為負(fù)載（通常為發(fā)光二極管）提供電流，并且電流可控。它與用于電壓調(diào)節(jié)的類似產(chǎn)品的主要區(qū)別在于，這類器件提供較低的反饋電壓（以提高系統(tǒng)能效），而且通?？蓪ζ骷ぷ鼽c進(jìn)行外部控制，可在照明應(yīng)用中用于實現(xiàn)調(diào)光功能。