FAN49101AUC340X

$0.47

Description：IC REG BUCK BST 3.4V 2A 20WLCSP
Series：TinyPower™
Mfr：Fairchild Semiconductor
Package：Bulk

SKU:166598815648 Category: Voltage Regulators - DC DC Switching Regulators Brand: Fairchild Semiconductor

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Product introduction

FAN49101AUC340X is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is IC REG BUCK BST 3.4V 2A 20WLCSP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for FAN49101AUC340X

Description：IC REG BUCK BST 3.4V 2A 20WLCSP
Series：TinyPower™
Mfr：Fairchild Semiconductor
Package：Bulk
Function：Step-Up/Step-Down
Output Configuration：Positive
Topology：Buck-Boost
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：2.5V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：3.4V
Voltage - Output (Max)：-
Current - Output：2A
Frequency - Switching：1.8MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：20-UFBGA, WLCSP
Supplier Device Package：20-WLCSP (1.96x1.56)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for FAN49101AUC340X

FAN49101AUC340X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN49101AUC340X is a TinyPower synchronous buck-boost switching regulator manufactured by onsemi. It operates with an input voltage range of 2.5 V to 5.5 V and delivers up to 2 A output current. The device integrates a 1.8 MHz fixed-frequency PWM controller for high efficiency across load conditions. Key electrical specifications include a typical quiescent current of 27 µA, a maximum output voltage of 3.6 V, and operation within a temperature range of -40°C to +85°C. It utilizes a WLCSP-20 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Synchronous buck-boost topology supports battery discharge and boost modes
Integrated 1.8 MHz PWM controller minimizes external component count
Low quiescent current design extends battery life in portable applications

Voltage Regulators - DC DC Switching Regulators Applications

Portable consumer electronics requiring stable power from single-cell lithium batteries
Battery-powered IoT devices and sensors
Mobile communication equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'AUC340X' against the manufacturer's latest datasheet to confirm pinout and thermal characteristics. Confirm RoHS compliance status directly with the supplier. Check for end-of-life notifications as previous listings indicated potential obsolescence for similar variants. Ensure the WLCSP-20 package availability matches your assembly requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems powered by single-cell lithium-ion or lithium-polymer batteries that require both charge and discharge regulation. The wide input voltage range accommodates varying battery states. Consider the WLCSP-20 package size constraints and thermal dissipation needs for high-current loads exceeding 1 A.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TinyPower series of highly integrated power management ICs. These regulators are designed to replace discrete solutions, reducing board space and simplifying design. The series focuses on high efficiency and low standby current for battery-operated devices.