ALSO OPERATES IN ADJUSTABLE MODE FROM 1.2 V TO 24 V
Analog IC - Other Type:
SWITCHING REGULATOR
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
50 V
Input Voltage-Min:
8 V
Input Voltage-Nom:
42 V
JESD-30 Code:
R-PDSO-G8
JESD-609 Code:
e3
Length:
4.9 mm
Moisture Sensitivity Level:
3
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-20 °C
Output Current-Max:
3 A
Package Body Material:
PLASTIC/EPOXY
Package Code:
HLSOP
Package Equivalence Code:
SOP8,.25
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.7 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Temperature Grade:
OTHER
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
40
Width:
3.9 mm
A8499SLJTR-T Frequently Asked Questions (FAQs)
A good thermal design should include a solid copper plane on the PCB, connected to the GND pin, to help dissipate heat. Additionally, keeping the component side of the PCB clear of other components and traces can improve airflow and heat dissipation.
To ensure accurate current sensing, it's essential to follow proper PCB layout guidelines, such as keeping the sense lines short and away from noise sources, and using a low-impedance path for the sense lines. Additionally, calibrating the device during manufacturing can help improve accuracy.
A simple RC filter with a 1 kΩ resistor and a 10 nF capacitor can be used to filter out high-frequency noise on the input lines. However, the optimal filter configuration may vary depending on the specific application and noise environment.
The A8499SLJTR-T has a built-in overcurrent detection feature. When an overcurrent condition is detected, the device will latch off and require a power cycle to reset. It's essential to design a robust overcurrent protection scheme, including a suitable current limit and a fault detection mechanism, to prevent damage to the device and the system.
The A8499SLJTR-T is rated for operation from -40°C to 150°C (TJ). However, the device's performance and reliability may degrade if operated at the extreme ends of this range. It's recommended to operate the device within a narrower temperature range, such as 0°C to 125°C, for optimal performance and reliability.
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A8499SLJTR-T Overview
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