ST5R33MTR

Description：IC REG BOOST 3.3V 100MA SOT23-5
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR)

SKU:965cf66f3f53 Category: Voltage Regulators - DC DC Switching Regulators Brand: STMicroelectronics

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Product introduction

ST5R33MTR is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is IC REG BOOST 3.3V 100MA SOT23-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for ST5R33MTR

Description：IC REG BOOST 3.3V 100MA SOT23-5
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR)
Function：Step-Up
Output Configuration：Positive
Topology：Boost
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：0.8V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Current - Output：100mA
Frequency - Switching：150kHz
Synchronous Rectifier：No
Operating Temperature：-25°C ~ 85°C (TJ)
Mounting Type：Surface Mount
Package / Case：SC-74A, SOT-753
Supplier Device Package：SOT-23-5
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for ST5R33MTR

ST5R33MTR

Voltage Regulators - DC DC Switching Regulators Overview

The ST5R33MTR is a boost switching regulator IC manufactured by STMicroelectronics, designed to step up input voltages to a fixed positive output of 3.3V. It supports an input voltage range from 0.8V to 5.5V and delivers a maximum output current of 100mA. The device operates with a switching frequency of 150kHz and utilizes a non-synchronous rectifier topology. It is housed in a surface-mount SC-74A (SOT-753) package and functions within a junction temperature range of -25°C to 85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Boost converter topology for stepping up low input voltages
Fixed 3.3V positive output configuration
Compact SOT-753 surface-mount packaging

Voltage Regulators - DC DC Switching Regulators Applications

Battery-powered portable devices requiring voltage boosting
Low-voltage input power management systems
General-purpose DC-DC conversion in compact electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to obsolete status. Confirm package integrity and pin alignment against the SC-74A/SOT-753 specification sheet. Ensure storage conditions comply with moisture sensitivity level requirements prior to reflow soldering. Cross-reference datasheet revisions to confirm electrical parameters match design specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V output is required from inputs as low as 0.8V. Consider the 100mA current limit and 150kHz switching frequency for filter component sizing. Evaluate thermal performance within the specified operating temperature range. Note that synchronous alternatives may offer higher efficiency if power consumption is critical.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ST5R33 series of boost regulators from STMicroelectronics. It is categorized under Power Management ICs (PMIC) specifically as a DC-DC switching regulator. The device is classified as obsolete, indicating it is no longer actively manufactured but remains documented in historical technical literature.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult official replacement guides or contact STMicroelectronics directly for qualified alternatives.

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