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Analog Devices MAX38640 | Demoboard MAX38640 WLP
Tiny 1.8V to 5.5V Input, 330nA IQ, 700mA nanoPower Buck Converter
Overview
| Topology | Buck Converter |
| Input voltage | 1.8-5.5 V |
| Output 1 | 3.3 V / 0.7 A |
| IC revision | 1 |
Description
The MAX38640 EV kit evaluates the MAX38640/1/2/3 A/B IC family of ultra-low quiescent current step-down DC-DC converters in the WLP. The EV kit operates over an input range of 1.8V to 5.5V, and provides resistor-configurable output voltages from 0.7V to 3.3V. The EV kit delivers up to 175mA/350mA/700mA of current depending on the input voltage to the output voltage ratio
Features
- Evaluates the MAX38640/1/2/3 A/B IC Family in a 6-pin WLP
- 1.8V to 5.5V Input Range
- 0.7V to 3.3V Configurable Output Voltage
- Up to 175mA/350mA/700mA Output Current
- Proven 2-Layer 1oz Copper PCB Layout
- Demonstrates Compact Solution Size
- Fully Assemble and Tested
Typical applications
- Single Li-ion (Li+) and Coin Cell Battery Products, Wearable Devices, Ultra-Low-Power IoT, NB IoT, and Bluetooth® LE, Wired or Wireless Industrial Products
- Portable, Space-Constrained Consumer Products
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(mA) | IR 2(mA) | ISAT(mA) | RDC(mΩ) | fres(MHz) | Type | H(mm) | W(mm) | IR(A) | ISAT1(A) | ISAT2(A) | RDC max.(mΩ) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PMCI Power Molded Chip Inductor, 1 µH, 900 mA | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMCI Power Molded Chip Inductor | Inductance1 µH | Rated Current900 mA | Rated Current 21200 mA | Saturation Current1700 mA | – | Self Resonant Frequency90 MHz | – | Height0.8 mm | Width0.8 mm | Rated Current2.6 A | Saturation Current 11.2 A | Saturation Current 22.6 A | DC Resistance115 mΩ | ||||
 | WE-PMI Power Multilayer Inductor, 4.7 µH, 700 mA | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMI Power Multilayer Inductor | Inductance4.7 µH | Rated Current700 mA | Rated Current 21000 mA | Saturation Current400 mA | DC Resistance230 mΩ | Self Resonant Frequency35 MHz | TypeHigh Saturation Current | Height0.8 mm | Width2 mm | – | – | – | DC Resistance299 mΩ |