Description:Daylight filter ; High sensitivity ; Package type: Sidelooker ; Medium wide reception angle, 50° ; Direct TTL/LSTTL interface; Bipolar silicon IC ; Matched emitter: QEE113/QEE123 ; Package material and color: black epoxy
DAY LIGHT FILTER, HIGH SENSITIVITY, OPEN COLLECTOR, TTL COMPATIBLE
Application:
GENERAL PURPOSE
Configuration:
SINGLE
Hysteresis Ratio-Nom:
1.1
Infrared Range:
YES
JESD-609 Code:
e3
Mounting Feature:
THROUGH HOLE MOUNT
Number of Functions:
1
On-State Current-Max:
0.05 A
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Optoelectronic Device Type:
LOGIC OUTPUT PHOTO IC
Shape:
ROUND
Size:
1.65 mm
Supply Current-Max:
0.012 mA
Supply Voltage-Min:
4 V
Supply Voltage-Nom:
16 V
Surface Mount:
NO
Terminal Finish:
Matte Tin (Sn) - annealed
QSE159 Frequently Asked Questions (FAQs)
A good PCB layout for the QSE159 involves keeping the input and output traces as short as possible, using a solid ground plane, and minimizing the distance between the device and the load. Additionally, it's recommended to use a low-ESR capacitor for the output filter.
To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the output capacitor is properly sized and has a low ESR. Additionally, adding a small resistor (e.g., 10 ohms) in series with the output capacitor can help dampen oscillations.
While the datasheet specifies a maximum input voltage of 18V, it's recommended to derate the input voltage to 15V to ensure reliable operation and minimize the risk of damage.
The QSE159 is rated for operation up to 125°C, but it's essential to consider the thermal design and ensure that the device is properly heat-sinked to prevent overheating. Additionally, the device's performance may degrade at high temperatures, so it's crucial to evaluate its performance under the specific operating conditions.
To troubleshoot issues with the QSE159, start by verifying the input voltage, output voltage, and current. Check the PCB layout and component values to ensure they match the recommended values. Use an oscilloscope to inspect the output voltage waveform and look for signs of oscillation or ringing. If the issue persists, consult the datasheet and application notes for guidance or contact onsemi's technical support.
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Manufacturer Collaborated
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System Verified
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Community Approved
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QSE159 Overview
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