Description:The ISL6545, ISL6545A makes simple work out of implementing a complete control and protection scheme for a DC/DC stepdown converter driving N-Channel MOSFETs in a synchronous buck topology. Since it can work with either 5V or 12V supplies, this one IC can be used in a wide variety of applications within a system. The ISL6545, ISL6545A (hereafter referred to as ISL6545x, except as needed) integrates the control, gate drivers, output adjustment, monitoring and protection functions into a single 8 Ld SOIC or 1
ALSO ADJUSTABLE OUTPUT FROM 0.6 TO 5.5, ALSO OPERATES ON 12V OR 6.5V TO 14.4V SUPPLY
Analog IC - Other Type:
SWITCHING CONTROLLER
Control Mode:
VOLTAGE-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
5.5 V
Input Voltage-Min:
4.5 V
Input Voltage-Nom:
5 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:
70 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.75 mm
Surface Mount:
YES
Switcher Configuration:
PUSH-PULL
Switching Frequency-Max:
660 kHz
Temperature Grade:
COMMERCIAL
Terminal Finish:
MATTE TIN
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
3.9 mm
ISL6545ACBZ-T Frequently Asked Questions (FAQs)
The recommended PCB layout for optimal thermal performance involves placing the device on a 2-layer or 4-layer board with a solid ground plane, using thermal vias to connect the exposed pad to the ground plane, and keeping the thermal path as short as possible.
To ensure reliable operation in high-temperature environments, it is recommended to follow the thermal design guidelines, use a heat sink if necessary, and ensure that the device is operated within its specified temperature range.
Key considerations for EMI filtering and noise reduction include using a pi-filter configuration, placing the input capacitors close to the device, and using a common-mode choke to reduce common-mode noise.
To optimize the output voltage ripple and noise, it is recommended to use a low-ESR output capacitor, place the output capacitor close to the device, and use a noise-reducing capacitor such as a ceramic capacitor.
Using a different input capacitor type or value can affect the device's stability, output voltage ripple, and EMI performance. It is recommended to follow the datasheet guidelines for input capacitor selection and to consult with the manufacturer if unsure.
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
ISL6545ACBZ-T Overview
Use the download button to access the ISL6545ACBZ-T schematic symbol, PCB footprint, and 3D model.
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