Description:The ISL97656 is a high frequency, high efficiency step-up voltage regulator operated at constant frequency PWM mode. With an internal 4. 0A, 120mΩ MOSFET, it can deliver up to 2A output current at over 90% efficiency. The selectable 640kHz and 1. 2MHz allows smaller inductors and faster transient response. An external compensation pin gives the user greater flexibility in setting frequency compensation allowing the use of low ESR Ceramic output capacitors. When shut down, it draws
IT HAS ADJUSTABLE OUTPUT VOLTAGE RANGE FROM 2.42V TO 24 V
Analog IC - Other Type:
SWITCHING REGULATOR
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
6 V
Input Voltage-Min:
2.2 V
Input Voltage-Nom:
3 V
JESD-30 Code:
S-PDSO-N10
JESD-609 Code:
e3
Length:
3 mm
Moisture Sensitivity Level:
3
Number of Functions:
1
Number of Terminals:
10
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVSON
Package Shape:
SQUARE
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
0.5 mm
Surface Mount:
YES
Switcher Configuration:
BOOST
Switching Frequency-Max:
1500 kHz
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
3 mm
ISL97656IRTZ-TK Frequently Asked Questions (FAQs)
A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the heat sink. The datasheet provides some guidelines, but a more detailed application note or a reference design from Renesas can provide more specific guidance.
To optimize output voltage accuracy and stability, ensure that the input voltage is within the recommended range, and that the output capacitor is of high quality and has a low ESR. Additionally, minimize noise and ripple on the input voltage, and ensure good thermal management to prevent overheating.
To ensure EMI and EMC compliance, follow good PCB layout practices, such as separating analog and digital grounds, using shielding and filtering, and minimizing loop areas. Additionally, ensure that the device is properly decoupled and that the output voltage is filtered to reduce noise and ripple.
The ISL97656IRTZ-TK has built-in overcurrent protection and fault detection features. To handle these events, connect the OC pin to a suitable resistor and capacitor to set the overcurrent threshold, and use the FLT pin to detect faults and take appropriate action, such as shutting down the device or alerting the system.
For high-power applications, ensure good thermal management by providing a heat sink or thermal pad, and ensuring good airflow around the device. The datasheet provides thermal resistance and junction-to-case thermal resistance values to help with thermal design.
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Manufacturer Collaborated
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System Verified
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Sponsored
ISL97656IRTZ-TK Overview
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