Features
- VIN range 2.7V to 5.5V
- IOUT maximum is 1.5A or 2A
- Switching frequency is 1MHz or 2MHz
- Overcurrent and short circuit protection
- Over-temperature/thermal protection
- Negative current protection
- Power-good and enable
- 100% duty cycle (1MHZ)
- Internal soft-start and soft-stop
- VIN undervoltage lockout and VOUT overvoltage protection
- Up to 95% peak efficiency
Description
The ISL80020, ISL80020A, ISL80015 and ISL80015A are highly efficient, monolithic, synchronous step-down DC/DC converters that can deliver up to 2A of continuous output current from a 2. 7V to 5. 5V input supply. They use peak current mode control architecture to allow very low duty cycle operation. They operate at either 1MHz or 2MHz switching frequency, thereby providing superior transient response and allowing for the use of small inductors. They have excellent stability. The ISL80020, ISL80020A, ISL80015 and ISL80015A integrate very low rDS(ON) MOSFETs in order to maximize efficiency. In addition, since the high-side MOSFET is a PMOS, the need for a Boot capacitor is eliminated, thereby reducing external component count. They can operate at 100% duty cycle (at 1MHz). The device is configured in PWM (pulse width modulation) for fast transient response, which helps reduce the output noise and RF interference. These devices are offered in a space saving 8 pin 2mmx2mm TDFN lead free package with exposed pad for improved thermal performance. The complete converter occupies less than 64mm2 area.
Parameters
| Attributes | Value |
|---|---|
| Topology [Rail 1] | Buck |
| Outputs (#) | 1 |
| Input Voltage (Min) [Rail 1] (V) | 2.7 |
| Input Voltage (Max) [Rail 1] (V) | 5.5 - 5.5 |
| Output Voltage (Min) [Rail 1] (V) | 0.6 |
| Output Voltage (Max) [Rail 1] (V) | 5.5 |
| Output Current (Max) [Rail 1] (A) | 1.5 |
| Switching Frequency Range (Typical) (kHz) | 800 - 1200 |
| Control Type | Current Mode |
| Peak Efficiency (%) | 95 |
| IQ [Rail 1] (µA) | 7000 |
| SYNCH Capability | No |
| Qualification Level | Standard |
| Temp. Range (°C) | -40 to +85°C, -40 to +125°C |
| Simulation Model Available | N/A |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| TDFN | 2.0 x 2.0 x 0.75 | 8 | 0.5 |
Application Block Diagrams
 | Human Machine Interface (HMI) for Appliances Customizable HMI system for smart appliances with display, touch, voice, and NFC options. |
 | AI Dash Camera AI-powered dash camera with high-performance vision processing, ADAS, and real-time intelligent analytics. |
 | High-Performance Vision AI System High-performance quad-camera vision AI platform for real-time, power-efficient edge processing. |
 | Robust Operational Touch Panel with CAN FD Reliable HMI touch panel with CAN FD, haptics, and NFC for e-bikes, elevators, and industry. |
 | Portable Thermal Printer A smart portable thermal printer with Wi-Fi, Bluetooth, and NFC connectivity. |
 | Power Sequencer & I/O Expander for Printers (PPC/MFP) An MCU-based power sequencer and I/O expander for high-performance PPC/MFP printers. |
 | Multi-Protocol Network System for Building Automation Multi-protocol network system collects data from various building automation systems and incorporates industrial communication technologies. |
 | High-Speed 5G to Wi-Fi Converter for CPE Convert 5G to Wi-Fi with dual-band 4T4R Wi-Fi 6, ideal for 5G routers and efficient networking. |
 | Infusion Level Monitor Using Capacitive Touch Sensing Infusion monitors track fluid levels, offering reliable alerts for diverse liquid tank applications. |
 | Industrial Ethernet Gateway and Sensor System Quick-start modules enable seamless Ethernet connectivity for sensors and gateways. |
 | OTA-Enabled PLC Module High‑performance PLC module enabling fast OTA updates, precise real‑time control, and remote management for reliable, connected industrial systems. |