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MP2370DJ-LF-Z is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Monolithic Power Systems Inc.. Its product description is IC LED DRIVER RGLTR PWM TSOT23-6. Review the specifications below when checking this part for your BOM.
LED Driver IC specifications for MP2370DJ-LF-Z
- Description：IC LED DRIVER RGLTR PWM TSOT23-6
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Down (Buck)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：24V
- Voltage - Output：15V
- Current - Output / Channel：-
- Frequency：1.4MHz
- Dimming：PWM
- Applications：-
- 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：-
LED Driver IC datasheet and documents for MP2370DJ-LF-Z
LED Driver IC Overview
The MP2370DJ-LF-Z is a monolithic DC-DC step-down converter designed for white LED backlighting applications. It integrates a high-side N-channel power switch and operates from an input voltage range of 4.5V to 24V. The device delivers a regulated output current up to 1.2A with a switching frequency of 1.4MHz. Output voltage is adjustable from 150mV to 15V. It supports PWM dimming control and functions within an ambient temperature range of -40°C to +85°C.
LED Driver IC Feature Summary
- Integrates a high-side N-channel power switch for compact design
- Supports pulse-width modulation (PWM) dimming for brightness control
- Operates at a fixed 1.4MHz switching frequency to minimize external component size
LED Driver IC Applications
- White LED backlight drivers for mobile phones
- LED backlighting for portable media players
- General-purpose low-voltage step-down conversion
LED Driver IC Procurement Notes
Verify the specific suffix 'LF-Z' against the manufacturer's latest datasheet to confirm lead-free status and RoHS compliance. Ensure the TSOT-23-6 package footprint matches the target PCB layout. Confirm that the required input voltage range falls within the specified 4.5V to 24V limits for the intended application environment.
LED Driver IC Selection Notes
Select this component when a compact solution for driving white LEDs is required. It is suitable for systems needing a single-output buck converter with integrated switching elements. Consider the 1.2A current limit and 1.4MHz frequency when designing the inductor and capacitor values. Verify thermal performance requirements for the TSOT-23-6 package under maximum load conditions.
LED Driver IC Part Context
This part belongs to the MP2370 series of LED driver ICs from Monolithic Power Systems. It is specifically engineered for portable electronics requiring efficient power management. The device simplifies design by combining the controller, driver, and power switch into a single small-footprint package, reducing the overall bill of materials for LED backlighting circuits.
LED Driver IC Replacement Considerations
The LM3405XMK/NOPB from Texas Instruments is listed as a similar alternative. Verify pin compatibility and electrical specifications before substitution.
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