LTC1923EGN#PBF

LTC1923EGN#PBF is a Linear Technology (now Analog Devices) DC-DC switching regulator IC. It’s part of the LTC1923 family and is used to implement efficient buck (and related) regulators in power supplies for portable and automotive applications. The EGN suffix denotes the package code, and #PBF indicates Pb-free, RoHS-compliant packaging. The device combines a switching regulator controller (with protections and features such as enable, soft-start, and current/overload protection) and is typically used with external passive components (inductor, input/output capacitors; a diode if not a synchronous design) to set the output voltage and switching frequency. It is housed in a small surface-mount package (commonly MSOP-8/DFN-8). For exact pinout, electrical specs, and recommended circuit configurations, refer to the LTC1923 datasheet on Analog Devices’ website.

There isn’t a simple one‑to‑one “equivalent” for LTC1923EGN#PBF without specs. Please provide: input voltage range, output voltage/current, switching frequency, topology (buck/boost), and package. With that, I’ll list closest substitutes from TI, Analog Devices, ON Semiconductor, etc., and cross-reference links.

I don’t have the exact datasheet memorized, but here are the typical features you’d expect for the LTC1923EGN#PBF (LTC1923 family) in a concise form:
- Fixed-frequency, high-efficiency dc-dc buck regulator controller (with external FETs or internal options as per variant)
- Low quiescent current for standby operation
- External feedback network for adjustable output voltage
- Enable input with undervoltage lockout
- Soft-start to minimize inrush and output glitching
- Overcurrent/short-circuit protection
- Thermal shutdown protection
- Suitable for external inductor/rectifier (and supports options for diode or synchronous rectification)
- Small 8-lead package (EGN) with RoHS-compliant PBF variant
- Optional synchronization or clocking features (depending on exact variant)
Note: For precise specifications (input voltage range, switching frequency, max output current, exact pin functions), please check the official datasheet for LTC1923EGN#PBF.

- Pin count: 20 pins (20-lead TSSOP package, Pb-free)
- Function: Dual PWM-based step-down (buck) DC-DC regulator controller (drives external MOSFETs for two buck channels).

- Manufacturer: Linear Technology Corporation (now part of Analog Devices, Inc.).
- What kind of company: A semiconductor company that designs and manufactures analog and mixed-signal integrated circuits (including power-management ICs).

- Automotive power supplies and ECUs needing efficient DC-DC conversion.
- Portable, battery-powered devices requiring compact regulators.
- LED backlighting and signage drivers.
- LCD bias and display power rails in consumer electronics.
- Telecom, data-communications, and industrial equipment power rails.
- General high-efficiency power-management blocks in compact systems.

LTC1923EGN#PBF is in an 8-pin MSOP (Plastic Small Outline) package, RoHS Pb-free.