ISL80031DEMO1Z: 1.8V @ 3A, 2.7 ~ 5.5 Vin, Buck


The ISL80030DEMO1Z and ISL80031DEMO1Z boards are intended for use by individuals with requirements for point-of-load applications sourcing from 2.7V to 5.5V. The ISL8003xDEMO1Z boards are used to demonstrate the performance of the ISL80030, ISL80031 low quiescent current mode converter.

These devices are offered in an 8 Ld 2mmx2mm DFN package with 1mm maximum height. The complete converter occupies less than 64mm2 area.


Manufacturer Renesas Electronics America Inc.
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board Part Number ISL80031DEMO1Z-ND
Eval Board Supplier Renesas Electronics America Inc.
Eval Board Normally In Stock
Topology Step Down
Outputs and Type 1 Non-Isolated
Output Voltage: Factory Set 1.8 V
Current Out 3 A
Voltage In 2.7 ~ 5.5 V
Efficiency @ Conditions >91%, 5.0 Vin, 2.5 V @ 0 ~ 2.7 A
>90%, 5.0 Vin, 1.8 V @ 0 ~ 2.4 A
>87%, 5.0 Vin, 1.5 V @ 0 ~ 1.9 A
>87%, 5.0 Vin, 1.2 V @ 0 ~ 1.5 A
Voltage Out Range 0.8 ~ 3.3 V
Features Current Limit (Adj. or Fixed)
Over Current Protection
Over Voltage Protection
Reverse Polarity Protection
Short Circuit Protection
Shutdown, Enable, Standby
Soft Start
Thermal Protection
Under Voltage Protection, Brown-Out
Switching Frequency 1 MHz
Standby Current [Typical] 1.2 µA
Quiescent Current [Typical] 35 µA
Component Count + Extras 10 + 4
Internal Switch Yes
Design Author Intersil
Application / Target Market Handheld games
Point of Load (PoL)
Main I.C. Base Part ISL80031
Standby Current [Maximum] 10 µA
Quiescent Current [Maximum] 60 µA

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