SL2188A30XG DC-DC Power IC

Home News Daily Highlight SL2188A30XG DC-DC Power IC

2026-08-03 42

SL2188A30XG is a synchronous rectification boost DC-DC power IC launched by Slkor. Developed with CMOS process and built-in synchronous rectification boost architecture, it features wide input voltage range, fixed 3V regulated output, moderate quiescent current and high switching frequency. It is highly suitable for low-power electronic products powered by batteries, delivering stable and reliable boost power solutions for miniature devices.

1. Key Parameter Introduction

The electrical parameters of SL2188A30XG support various low-voltage power supply scenarios. Its operating input voltage ranges from 900mV to 5V, compatible with multiple power sources such as dry batteries and single-cell lithium batteries, and features excellent low-voltage startup capability. It provides a fixed 3V output voltage with stable voltage and low ripple, which can directly power various 3V-driven electronic components. The switching frequency is 250kHz. The relatively high operating frequency allows the adoption of smaller inductors and capacitors, facilitating miniaturized product design. The operating temperature range is -20℃ ~ +70℃, covering the working environment of most civil equipment and lightly used outdoor devices. The quiescent current is 15μA, offering well-controlled standby power consumption and effectively extending the battery life of battery-powered products.

2. Application Scenarios

Benefiting from fixed 3V output, wide input voltage and low power consumption, SL2188A30XG has a broad range of applications.
Consumer Electronics: Small handheld electronic devices, LED indicator modules, portable small home appliances, wireless remote control equipment, small electric toys;
Smart Hardware: Smart home sensing modules, low-power sensors, miniature wireless transmission modules, 3V MCU power supply systems;
Measurement & Control Equipment: Portable testing instruments, simple outdoor monitoring terminals, miniature data acquisition modules and other low-voltage battery-powered devices.

3. Circuit Design Guidelines

Selection of peripheral components: In view of the 250kHz switching frequency, high-frequency SMD capacitors with low ESR and matched high-frequency power inductors are preferred to suppress output ripple and reduce electromagnetic interference.
PCB layout planning: Place input and output filter capacitors close to IC pins. Make power loop traces short and thick to reduce parasitic parameters and improve power supply stability.
Power system design: Take full advantage of the minimum 900mV input voltage of the chip to ensure normal startup under battery voltage drop conditions.
Thermal design: No extra heat sink is required under normal operating conditions. For devices sealed in high-temperature housings, reserve proper heat dissipation space to guarantee reliability during long-term continuous operation.
Power consumption matching: With 15μA quiescent current, the chip fits devices requiring continuous standby. Match back-end loads reasonably in system design to maximize battery endurance.

4. Product Summary

SL2188A30XG from Slkor is a boost DC-DC IC designed for 3V power supply systems. With 900mV~5V wide input voltage, precise fixed 3V output, 250kHz switching frequency, operating temperature from -20℃ to +70℃ and controllable quiescent current, it perfectly meets the demands of various small battery-powered electronic devices. The IC requires simple peripheral circuits with low development difficulty, which helps reduce overall BOM cost and shrink PCB area. Whether for portable consumer products or miniature low-power measurement and control devices, SL2188A30XG serves as a cost-effective preferred boost power solution for 3V applications.

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