Description:The ISL6721 is a low power, single-ended Pulse Width Modulating (PWM) current mode controller designed for a wide range of DC/DC conversion applications including Boost, Flyback and isolated output configurations. Peak current mode control effectively handles power transients and provides inherent overcurrent protection. Other features include a low power mode where the supply current drops to less than 200μA during overvoltage and overcurrent shutdown faults. This advanced BiCMOS design features low operat
ALSO DEVICE CAN BE CONFIGURED AS BUCK AND FLYBACK CONVERTER
Analog IC - Other Type:
SWITCHING CONTROLLER
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
18 V
Input Voltage-Min:
9 V
JESD-30 Code:
R-PDSO-G16
JESD-609 Code:
e3
Length:
5 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
16
Operating Temperature-Max:
105 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
1 A
Package Body Material:
PLASTIC/EPOXY
Package Code:
TSSOP
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1.2 mm
Surface Mount:
YES
Switcher Configuration:
BOOST
Switching Frequency-Max:
1000 kHz
Technology:
BICMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
4.4 mm
ISL6721AVZ-T Frequently Asked Questions (FAQs)
A good PCB layout for the ISL6721AVZ-T involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a separate analog and digital ground plane to reduce noise.
To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the output capacitor has a low ESR (Equivalent Series Resistance) and is properly decoupled from the output voltage. Additionally, a minimum of 10uF output capacitance is recommended.
The ISL6721AVZ-T can handle a maximum input voltage of 18V. However, it's recommended to operate the device within the specified input voltage range of 4.5V to 15V for optimal performance and reliability.
The ISL6721AVZ-T has a resistor-programmable output voltage. To achieve a specific output voltage, you need to calculate the required resistor values using the formula provided in the datasheet. The output voltage can be adjusted from 0.8V to 15V using external resistors.
The ISL6721AVZ-T can deliver a maximum output current of 2A. However, the actual output current may be limited by the input voltage, output voltage, and the external components used.
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ISL6721AVZ-T Overview
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