Datasheet > SGM41283

SGM41283

更新时间： 2023-09-03 20:24:59

品牌	Logo	应用领域
圣邦微 - SGMICRO		光电二极管
页数	文件大小	规格书
13页	1291K
描述
70V Boost Converter with APD Current Monitor

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SGM41283 数据手册

SGM41283

70V Boost Converter

with APD Current Monitor

GENERAL DESCRIPTION

FEATURES

The SGM41283 is a current-mode boost converter with

a wide input voltage range of 2.7V to 5.5V. The device

can deliver up to 70V output. The 850kHz fixed

switching frequency allows the SGM41283 to offer fast

transient response and cycle-by-cycle current limit.

● Input Voltage Range: 2.7V to 5.5V

● 72V/0.6Ω NFET with 1.1A Limit

● 70V Peak Output Voltage

● 50ns APD Current Monitoring Response Speed

● 850kHz Fixed Switching Frequency

● High-side APD Current Monitors with 10:1 and

2:1 Ratios

This device integrates the biased avalanche

photodiode (APD) current monitor and is capable to

provide 50ns APD current monitoring response speed.

In addition, the output voltage through the APD optical

receivers can be twice of the normal output voltage.

The SGM41283 includes a ratio of 10:1 APD current

monitoring output and a ratio of 2:1 APD current

monitoring output. The current limit function with

adjustable resistors prevents APD from the effects of

optical power transients.

● Internal Compensation and Soft-Start

● Thermal Shutdown

● Programmable APD Over-Current Limit and

Protection

● -40℃ to +125℃ Operating Temperature Range

● Available in a Green TQFN-3×3-16L Package

APPLICATIONS

The SGM41283 integrates various protection features

such as over-current protection, over-load protection

and thermal shutdown.

APD and PIN Diode Bias

Optical Network Equipment

Optical Receivers and Modules

The SGM41283 is available in a Green TQFN-3×3-16L

package. It operates over an ambient temperature

range of -40℃ to +125℃.

SG Micro Corp

FEBRUARY 2019 – REV. A. 2

www.sg-micro.com

12 3 4 5 6 7...13

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