FAN5331SX

$1.59

Description：IC LED DRIVER RGLTR 1A SOT23-5
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:f2d570aa8966 Category: LED Drivers IC Brand: onsemi

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：IC LED DRIVER RGLTR 1A SOT23-5
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)
Type：DC DC Regulator
Topology：Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：2.7V
Voltage - Supply (Max)：5.5V
Voltage - Output：20V
Current - Output / Channel：1A (Switch)
Frequency：1.65MHz
Dimming：-
Applications：Backlight
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：SC-74A, SOT-753
Supplier Device Package：SOT-23-5
Grade：-
Qualification：-

Download product information

FAN5331SX

Overview

The FAN5331SX is a synchronous boost DC-DC converter and LED driver manufactured by onsemi. It operates with an input voltage range of 2.7V to 5.5V, delivering up to 1A output current. The device supports PWM dimming for LED applications and features a fixed switching frequency of 1.6MHz. It is housed in a compact SOT-23-5 package and functions within a temperature range of -40°C to +85°C.

Feature Summary

Synchronous rectification architecture for high efficiency
Integrated PWM dimming control capability
Compact surface-mount packaging

Applications

LED backlight drivers
General purpose boost regulation
Portable electronic devices

Procurement Notes

Verify the specific datasheet revision and ordering suffixes, as component specifications may vary between manufacturing lots or regional variants. Confirm RoHS compliance status directly with the manufacturer or authorized distributor documentation before finalizing procurement decisions.

Selection Notes

Select this component for space-constrained designs requiring efficient step-up conversion from low-voltage sources. Ensure the external inductor and capacitor values align with the 1.6MHz switching frequency requirements to maintain stability and meet electromagnetic interference standards.

Part Context

This part belongs to the FAN53xx series of power management ICs from onsemi, designed for portable consumer electronics. It serves as a specialized solution for driving LEDs or boosting battery voltages in mobile phones and handheld devices where size and efficiency are critical constraints.

Replacement Considerations

Check for direct pin-compatible alternatives within the same series if availability is limited. Verify that any substitute maintains the same SOT-23-5 footprint and electrical characteristics.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.