Datasheets
ISL91108IINZ-T by:

High Efficiency Buck-Boost Regulator with 4.2A Switches, WLCSP-TKCURDLBC, /Reel

Part Details for ISL91108IINZ-T by Renesas Electronics Corporation

Results Overview of ISL91108IINZ-T by Renesas Electronics Corporation

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ISL91108IINZ-T Information

ISL91108IINZ-T by Renesas Electronics Corporation is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for ISL91108IINZ-T

Part # Distributor Description Stock Price Buy
DISTI # ISL91108IINZ-T-ND
DigiKey IC REG BCK BST 3.3V 3.7A 20WLCSP Min Qty: 3000 Lead time: 18 Weeks Container: Tape & Reel (TR) Temporarily Out of Stock
  • 3,000 $1.1401
  • 6,000 $1.0861
  • 9,000 $1.0625
$1.0625 / $1.1401 Buy Now
DISTI # ISL91108IINZ-T
Avnet Americas Conv DC-DC Single Step Up/Step Down 1.8V to 5.5V 20-Pin WLCSP - Tape and Reel (Alt: ISL91108IINZ-T) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 18 Weeks, 0 Days Container: Reel 0
  • 1 $1.3900
$1.3900 Buy Now
DISTI # 968-ISL91108IINZ-T
Mouser Electronics Switching Voltage Regulators Buck-Boost Reg with 4.5A Switches, Adj RoHS: Compliant 0
  • 3,000 $1.1400
  • 6,000 $1.0800
$1.0800 / $1.1400 Order Now
DISTI # ISL91108IINZ-T
Avnet Silica Conv DCDC Single Step UpStep Down 18V to 55V 20Pin WLCSP (Alt: ISL91108IINZ-T) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 20 Weeks, 0 Days Silica - 0
Buy Now

Part Details for ISL91108IINZ-T

ISL91108IINZ-T CAD Models

ISL91108IINZ-T Part Data Attributes

ISL91108IINZ-T Renesas Electronics Corporation
Buy Now Datasheet
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ISL91108IINZ-T Renesas Electronics Corporation High Efficiency Buck-Boost Regulator with 4.2A Switches, WLCSP-TKCURDLBC, /Reel
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer RENESAS ELECTRONICS CORP
Part Package Code WLCSP-TKCURDLBC
Package Description WLCSP-20
Pin Count 20
Manufacturer Package Code W4X5.20F
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 18 Weeks
Date Of Intro 2017-11-13
Samacsys Manufacturer Renesas Electronics
Analog IC - Other Type SWITCHING REGULATOR
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 5.5 V
Input Voltage-Min 1.8 V
Input Voltage-Nom 3.6 V
JESD-30 Code R-PBGA-B20
JESD-609 Code e1
Length 2.335 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 20
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Current-Max 4.7 A
Output Voltage-Nom 3.3 V
Package Body Material PLASTIC/EPOXY
Package Code VFBGA
Package Shape RECTANGULAR
Package Style GRID ARRAY, VERY THIN PROFILE, FINE PITCH
Seated Height-Max 0.59 mm
Surface Mount YES
Switcher Configuration BUCK-BOOST
Switching Frequency-Max 2600 kHz
Temperature Grade INDUSTRIAL
Terminal Finish Tin/Silver/Copper (Sn/Ag/Cu)
Terminal Form BALL
Terminal Pitch 0.4 mm
Terminal Position BOTTOM
Width 1.72 mm

ISL91108IINZ-T Related Parts

ISL91108IINZ-T Frequently Asked Questions (FAQ)

  • Renesas provides a recommended PCB layout guide in their application note AN1965, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure optimal performance.

  • Renesas provides a component selection guide in their datasheet, which includes recommendations for input and output capacitors, inductors, and resistors. Additionally, the application note AN1965 provides more detailed guidance on component selection and layout considerations.

  • The ISL91108IINZ-T is rated for operation from -40°C to +125°C ambient temperature range, but the maximum junction temperature (TJ) should not exceed +150°C. It's essential to ensure proper thermal design and heat sinking to maintain a safe operating temperature.

  • The ISL91108IINZ-T has a built-in overcurrent protection feature that can be enabled by connecting the OC pin to a resistor and capacitor network. The application note AN1965 provides a detailed example of how to implement overcurrent protection and calculate the required component values.

  • Renesas recommends a specific startup sequence to ensure proper operation of the ISL91108IINZ-T. The sequence involves applying the input voltage, followed by the enable signal, and then the output voltage. The datasheet provides more detailed information on the recommended startup sequence.

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