S-8337ACFC-T8T1G

Overview

The S-8337ACFC-T8T1G is a CMOS step-up switching regulator controller from the S-8337 series, manufactured by ABLIC Inc. It operates within an input voltage range of 1.8 V to 6 V and utilizes pulse width modulation (PWM) control. The device features an internal oscillator with a frequency adjustable up to 1.133 MHz via an external resistor connected to the ROSC pin. It is housed in an 8-pin TSSOP package.

Feature Summary

• Integrates reference voltage, error amplifier, and PWM controller for efficient power management
• Supports low-voltage operation starting at 1.8 V suitable for portable systems
• Includes under voltage lockout and timer latch short-circuit protection circuits

Applications

• Power supply for LCD displays
• Portable electronic systems operating on low voltage
• Step-up DC-DC conversion applications

Procurement Notes

Verify the specific suffix ACFC against official ABLIC documentation to confirm exact electrical characteristics and availability status. Confirm package type and RoHS compliance details directly with the manufacturer or authorized distributors before procurement.

Selection Notes

Select this component when designing boost converter circuits requiring high-frequency operation up to 1.2 MHz. Ensure external components match the required oscillation frequency and duty ratio settings defined in the official datasheet for stable performance.

Part Context

This part belongs to the S-8337/8338 series of high-frequency PWM control switching regulator controllers. These devices are designed as CMOS step-up regulators ideal for battery-powered applications requiring compact solutions and low minimum operating voltages.

Replacement Considerations

Consult official substitution lists for compatible parts within the S-8337 series. Verify pin compatibility and electrical specifications before replacing.