PULSE FREQUENCY MODULATION TECHNIQUE ALSO AVAILABLE
Analog IC - Other Type:
SWITCHING REGULATOR
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
40 V
Input Voltage-Min:
3.8 V
Input Voltage-Nom:
12 V
JESD-30 Code:
R-PDSO-G8
JESD-609 Code:
e3
Length:
4.9 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
5 A
Output Voltage-Max:
40 V
Output Voltage-Min:
0.8 V
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
Screening Level:
AEC-Q100
Seated Height-Max:
1.63 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
2200 kHz
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Width:
3.9 mm
AP64502QSP-13 Frequently Asked Questions (FAQs)
A good PCB layout for optimal thermal performance would involve placing thermal vias under the IC, using a solid ground plane, and keeping the thermal path as short as possible. It's also recommended to use a 2-3 layer PCB with a thermal relief pattern on the top layer.
To ensure proper biasing, make sure to follow the recommended operating conditions in the datasheet. This includes setting the input voltage (VIN) within the specified range, using a suitable output capacitor, and ensuring the enable pin (EN) is properly driven. Additionally, consider using a soft-start circuit to prevent inrush currents during startup.
When selecting the output capacitor (COUT), consider the following factors: capacitance value, equivalent series resistance (ESR), and voltage rating. A higher capacitance value can help reduce output voltage ripple, but may increase the device's startup time. A low ESR capacitor can help reduce power losses, and the voltage rating should be higher than the maximum output voltage.
The AP64502QSP-13 has built-in overcurrent protection (OCP) and short-circuit protection (SCP). To handle these events, ensure that the device is properly configured and that the output is properly decoupled. In the event of an overcurrent or short-circuit condition, the device will automatically shut down and restart once the fault is removed.
Thermal management is critical for the AP64502QSP-13. Ensure good airflow around the device, and consider using a heat sink or thermal interface material (TIM) to improve heat dissipation. The device's junction temperature (TJ) should be kept below the maximum rating of 150°C to ensure reliable operation.
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AP64502QSP-13 Overview
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