ADI亚德诺_MAX25560_产品介绍

ADI亚德诺 MAX25560 产品介绍

2026-03-09 0次

特性

Operates down to 3V on Battery Input whileMaintaining 5V Gate Drive
- Wide Boost Duty-Cycle Range
Boost or SEPIC Current-Mode DC-DC Controller
- 400kHz to 2.2MHz Operating Frequency Range
- Optional Spread Spectrum
- Can Be Synchronized to an External Clock
LED Current Sinks
- Up to 220mA Output Current per String
- Low OUT_ Regulation Voltage
- Optional Phase-Shifting Between Channels
16667:1 Dimming Ratio at 200Hz
External or Internal (I²C) Dimming
>16667:1 Dimming Ratio with Hybrid Dimming
Integrated Charge Pump to Drive Series nMOSFET

Temperature Foldback Using External NTCTemperature Sensor
Fast Startup Option without I²C Intervention UsingEN Pin Only
FLTB Output Provides Diagnostic Information
- Shorted or Open LEDs
- Any OUT_ Pin Shorted to GND
- IREF/RT Resistor out of Range
- Thermal Warning/Shutdown
- Undervoltage/Overvoltage on Boost Output
- V18 Internal Supply out-of-Range
- Input Overcurrent (Measured at Boost InputUsing External Sense Resistor)
I²C Interface
Compact TQFN Package

产品详情和应用

The MAX25560 is a six-channel LED backlight driver with an integrated current-mode boost controller that operates over a switching frequency range of 400kHz to 2.2MHz and incorporates spread spectrum. Selectable phase-shifting of the output channels is included to reduce EMI. The MAX25560 provides up to 220mA per channel. The device is capable of operating down to very low battery voltages by virtue of a unique input voltage switching scheme.

Extensive diagnostics and an I²C interface are included in the device.

The MAX25560 is available in a compact TQFN package and operates over the -40°C to +125°C temperature range.

Applications

Automotive Instrument Clusters
Automotive Central Information Displays
Automotive Head-Up Displays

MDD辰达半导体回扫型ESD，为HDMI接口提供安全防护上一篇下一篇散热设计不良会导致 MOSFET 过热失效？MDD辰达半导体一文讲透

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MAX25560

6 × 220mA LED Backlight Driver with Boost Controller

特性

产品详情和应用

4000-306-326