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LT1507 - 500kHz Monolithic Buck Mode Switching Regulator

Download the LT1507 datasheet PDF. This datasheet also covers the LT1 variant, as both devices belong to the same 500khz monolithic buck mode switching regulator family and are provided as variant models within a single manufacturer datasheet.

General Description

The LT®1507 is a 500kHz monolithic buck mode switching regulator, functionally identical to the LT1375 but optimized for lower input voltage applications.

It will operate over a 4V to 15V input range, compared with 5.5V to 25V for the LT1375.

Key Features

  • s s s s s s s s Constant 500kHz Switching Frequency Uses All Surface Mount Components Operates with Inputs as Low as 4V Saturated Switch Design (0.3Ω) Cycle-by-Cycle Current Limiting Easily Synchronizable Inductor Size as Low as 2µH Shutdown Current: 20µA with all the necessary oscillator, control and logic circuitry. High switching frequency allows a considerable reduction in the size of external components. The topology is current mode for fast transient response and good loop stability. Bot.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LT1-507.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LT1500 Adaptive-Frequency Current Mode Switching Regulators
LT1501 Adaptive-Frequency Current Mode Switching Regulators
LT1505 Constant-Current/Voltage High Efficiency Battery Charger
LT1506 4.5A/ 500kHz Step-Down Switching Regulator
LT1508 Power Factor and PWM Controller(Voltage Mode)

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
LT1507 500kHz Monolithic Buck Mode Switching Regulator FEATURES s s s s s s s s Constant 500kHz Switching Frequency Uses All Surface Mount Components Operates with Inputs as Low as 4V Saturated Switch Design (0.3Ω) Cycle-by-Cycle Current Limiting Easily Synchronizable Inductor Size as Low as 2µH Shutdown Current: 20µA with all the necessary oscillator, control and logic circuitry. High switching frequency allows a considerable reduction in the size of external components. The topology is current mode for fast transient response and good loop stability. Both fixed output voltage (3.3V) and adjustable parts are available. A special high speed bipolar process and new design techniques allow this regulator to achieve high efficiency at a high switching frequency.