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LTC1772ES6#TRMPBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC REG CTRLR MULT TOP SOT23-6. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC1772ES6#TRMPBF
- Description：IC REG CTRLR MULT TOP SOT23-6
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Transistor Driver
- Function：Step-Up, Step-Down, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck, Boost, Flyback
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：2.5V ~ 9.8V
- Frequency - Switching：550kHz
- Duty Cycle (Max)：100%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- 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
DC DC Switching Controllers datasheet and documents for LTC1772ES6#TRMPBF
DC DC Switching Controllers Overview
The LTC1772ES6#TRMPBF is a constant frequency current mode step-down DC/DC converter controller manufactured by Analog Devices Inc. It operates within an input voltage range of 2.5 V to 9.8 V and supports output voltages from 800 mV to 9.8 V with a maximum output current capability of 5 A. The device functions at a fixed switching frequency of 550 kHz and draws a typical quiescent current of 270 uA. It is housed in a TSOT-23-6 package and is rated for operation between -40°C and +85°C.
DC DC Switching Controllers Feature Summary
- Employs a constant frequency current mode PWM architecture to drive external power MOSFETs, ensuring stable regulation and low output ripple.
- Features a wide input voltage operating range suitable for single or dual cell battery applications.
- Includes an enable pin for precise power management and system sequencing control.
DC DC Switching Controllers Applications
- Cell phones and portable electronics powered by Li-Ion cells
- Systems operating from NiCd battery packs
- General purpose step-down DC/DC power supply designs
DC DC Switching Controllers Procurement Notes
Verify the specific suffix TRMPBF indicates tape and reel packaging when sourcing. Confirm the ES6 grade matches required temperature specifications. Cross-reference datasheet revision dates to ensure compatibility with design requirements. Validate RoHS compliance status through official manufacturer declarations prior to integration.
DC DC Switching Controllers Selection Notes
Select this component for applications requiring a compact buck controller solution with high efficiency. The 550 kHz frequency allows for smaller passive components compared to lower frequency alternatives. Ensure external P-channel MOSFET selection aligns with the 5 A current requirement and thermal constraints of the target enclosure.
DC DC Switching Controllers Part Context
This part belongs to the LTC1772 family of switching regulators designed for space-constrained portable devices. It serves as a controller rather than an integrated switch, allowing designers to optimize external MOSFET performance. The TSOT-23-6 package provides a small footprint relative to its power handling capabilities.
DC DC Switching Controllers Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify functional compatibility with existing designs if considering alternative controllers from other manufacturers.
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