Description:The ISL85014 is a highly efficient, monolithic, synchronous buck regulator that can deliver 14A of continuous output current from a 3.8V to 18V input supply. The device uses current mode control architecture with a fast transient response and excellent loop stability. The ISL85014 integrates very low ON-resistance high-side and low-side FETs to maximize efficiency and minimize external component count. The minimum BOM and easy layout footprint are extremely friendly to space constraint systems. The operatio
ADJ OUTPUT DOWN TO 0.6V; ALSO REQUIRE 3.8V TO 18V SUPPLY FOR PWM REG POWER STAGE
Analog IC - Other Type:
SWITCHING CONTROLLER
Control Mode:
CURRENT/VOLTAGE-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
18 V
Input Voltage-Min:
4.5 V
Input Voltage-Nom:
5 V
JESD-30 Code:
S-PBCC-N15
Length:
3.5 mm
Moisture Sensitivity Level:
3
Number of Functions:
1
Number of Terminals:
15
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Voltage-Max:
5.5 V
Output Voltage-Min:
4.5 V
Output Voltage-Nom:
5 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
QCCN
Package Shape:
SQUARE
Package Style:
CHIP CARRIER
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
0.8 mm
Supply Current-Max (Isup):
5 mA
Surface Mount:
YES
Switcher Configuration:
BUCK-BOOST
Switching Frequency-Max:
660 kHz
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Pure Matte Tin (Sn) - annealed
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
BOTTOM
Time@Peak Reflow Temperature-Max (s):
30
Width:
3.5 mm
ISL85014FRZ-T Frequently Asked Questions (FAQs)
Renesas provides a recommended PCB layout in the ISL85014FRZ-T evaluation board user manual, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure optimal performance.
To ensure reliable start-up and shutdown, it is recommended to follow the power-up and power-down sequencing guidelines provided in the datasheet, and to use a soft-start circuit to limit the inrush current during power-up.
The maximum allowed voltage on the EN pin is 6V, as specified in the datasheet. Exceeding this voltage may damage the device.
The ISL85014FRZ-T is rated for operation up to 125°C, but it is recommended to derate the output current and voltage according to the thermal derating curves provided in the datasheet to ensure reliable operation in high-temperature environments.
To troubleshoot issues with the output voltage regulation, check the input voltage, output load, and feedback resistors for correct values and connections. Also, verify that the device is operating within its specified temperature range and that the output voltage is within the specified range.
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
ISL85014FRZ-T Overview
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