AS1322B-BTTT

Description：IC REG BOOST ADJ 850MA TSOT23-6
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)

SKU:0a8e12e304ee Category: Voltage Regulators - DC DC Switching Regulators Brand: ams-OSRAM USA INC.

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Product introduction

Product Detailed Parameters

Description：IC REG BOOST ADJ 850MA TSOT23-6
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)
Function：Step-Up
Output Configuration：Positive
Topology：Boost
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：0.65V
Voltage - Input (Max)：5V
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：5V
Current - Output：850mA (Switch)
Frequency - Switching：1.2MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：SOT-23-6 Thin, TSOT-23-6
Supplier Device Package：TSOT-23-6
Grade：-
Qualification：-

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AS1322B-BTTT

Overview

The AS1322B-BTTT is a boost switching regulator IC manufactured by ams-OSRAM USA INC. It provides an adjustable positive output voltage ranging from 2.5V to 5V with a maximum switch current of 850mA. The device operates at a fixed switching frequency of 1.2MHz and features synchronous rectification for improved efficiency. Designed for surface mount installation, it utilizes a TSOT-23-6 package. The component supports a single positive output configuration and functions within an ambient temperature range of -40°C to +85°C.

Feature Summary

Synchronous rectification technology for enhanced power conversion efficiency
Adjustable positive output voltage capability within specified limits
Fixed high-frequency switching operation to minimize external component size

Applications

Battery-powered portable electronic devices
General-purpose DC-DC step-up power supply circuits
Embedded systems requiring regulated voltage boosting

Procurement Notes

Verify the specific suffix 'B' against the datasheet to confirm pinout or functional variations compared to other variants in the AS1322 series. Confirm that the TSOT-23-6 package dimensions match the target PCB footprint. Check for obsolescence status as some distributors list this part as discontinued. Ensure the operating temperature range meets the environmental requirements of the final assembly.

Selection Notes

Select this component when a compact solution for stepping up low input voltages is required. The synchronous design offers better efficiency than non-synchronous alternatives at similar currents. Consider the 850mA limit for load requirements. The fixed 1.2MHz frequency allows for smaller inductors but may require careful layout for EMI management. Verify input voltage compatibility with the source power rail.

Part Context

This part belongs to the AS1322 family of boost regulators from ams-OSRAM. It shares architectural similarities with other members like the AS1322A, differing primarily in internal parameters or packaging options. The family targets space-constrained applications where high efficiency and small footprint are critical. It complements linear regulators by providing efficient voltage step-up capabilities.