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ATLS15A218D中文資料ANALOGTECHNOLOGIES數(shù)據(jù)手冊PDF規(guī)格書

ATLS15A218D
廠商型號

ATLS15A218D

功能描述

High Voltage Constant Current 15ALaser Driver

文件大小

788.92 Kbytes

頁面數(shù)量

16

生產(chǎn)廠商 Analog Technologies, Inc.
企業(yè)簡稱

ANALOGTECHNOLOGIES

中文名稱

Analog Technologies, Inc.官網(wǎng)

原廠標(biāo)識
數(shù)據(jù)手冊

下載地址一下載地址二

更新時間

2025-2-18 22:50:00

ATLS15A218D規(guī)格書詳情

FEATURES

? Wide Input Voltage Range: 5.5V ~ 25V

? Wide Output Voltage Range: 0.1VVPS to 0.8VVPS

(input voltage)

? High Current Capability: 15A

? High Efficiency: ≥90%

(IOUT=15A@VLDA=20V&VVPS=25V)

? Wide Modulation Bandwidth: DC ~ 10kHz

? Compact Size: 35.78×35.78×11.5 (mm)

? Dual Independent Current Set Ports: LISH and LISL

? Direct Digital Modulation Control: PCN

? Three Control States: Shutdown, Standby and Operation

? Low Output Current Noise: <12μAP-P@0.1Hz~10Hz

? High Current Stability: <±20mA@15A&?20°C~80°C

? Low Output Ripple Voltage: <10mV@500kHz

? Fully Shielded

? 100 % Lead (Pb)-free and RoHS Compliant

DESCRIPTION

This laser driver, ATLS15A218, is an electronic module that

has all the valuable and important, but often difficult to

achieve simultaneously, features: wide input and output

voltage range, high output current capability, high efficiency,

low output noise (but it has an output 10mVp-p ripple voltage

at 500kHz), wide modulation bandwidth, and small size. The

wide output voltage range, 0.1VVPS ~ 0.8VVPS, allows driving one

or multiple serial laser diodes at the same time, for up to 15A

well controlled current at high efficiency. The extremely low

noise between DC ~ 10Hz and low DC current drift make it ideal

for driving diode pumped laser diodes. Because of the high

efficiency, the laser driver generates small amount of heat, thus,

no heat sink is necessary for normal operation. The fully

shielded case blocks all the incoming and outgoing EMIs

(Electro-Magnet Interferences). Therefore, this laser will not

interfere other surrounding electronics, nor will be interfered by

them. The small package saves valuable PCB space in laser

systems. Figure 1 shows physical photo of the ATLS15A218D.

This laser driver has two current set ports which can digitally be

controlled to switch between them for setting the output current.

This feature allows modulating the laser digitally with 2 preset

current values.

The actual laser current and laser driver temperature are

monitored by dedicated ports. In case the laser driver

temperature exceeds the limit, 120°C, the laser driver will shut

down the output stage by itself and force the laser drive into

Standby Mode. There is a loop good indication output to tell if

the laser driver works ok.

The laser driver has 3 states: Operation, Standby and Shutdown.

Under Standby mode, all the laser driver components works

except the output stage, see Figure 4. Under Shutdown mode, all

the components of the laser driver stops working and the power

supply current is reduced to < 3μA.

This laser driver generates a high accuracy high stability low

noise, 12μAP-P, <2μVRMS, <20ppm/°C, 4.096V<±3mV, voltage

reference output which can be used for setting the output current

and also be used as the reference voltage for the ADCs (Analog

to Digital Converters) and/or DACs (Digital to Analog

Converters).

The ATLS15A218 uses a constant frequency high efficiency

PWM output stage. Its switching signal is taken out through a

buffer at the SYNO port, pin 10, which can be used by other

switch mode electronics as the trigger signal to avoid frequency

beating interference, if the free-run frequency is around 500kHz.

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