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Product Detailed Parameters
- Description：IC LED DRVR WHITE BCKLGT 16-TQFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：-
- Topology：Switched Capacitor (Charge Pump)
- Internal Switch(s)：-
- Number of Outputs：6
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：30mA
- Frequency：800kHz ~ 1.3MHz
- Dimming：-
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-WQFN Exposed Pad
- Supplier Device Package：16-TQFN (4x4)
- Grade：-
- Qualification：-
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Overview
The CAT3606HV4-T2 is a low-noise charge pump white LED driver IC manufactured by onsemi. It features six independent current-regulated outputs designed for driving high-brightness LEDs in portable applications. The device operates within an input voltage range of 3 V to 5.5 V and supports PWM dimming control. Packaged in a TQFN-16 surface-mount format, it functions across an industrial temperature range from -40 °C to +85 °C. This component is currently listed as obsolete with limited availability.
Feature Summary
- Integrates a low-noise charge pump architecture to enable efficient white LED driving
- Provides six individually regulated output channels for precise current control
- Supports pulse-width modulation (PWM) dimming functionality for brightness adjustment
Applications
- White LED backlighting for mobile phones
- LED illumination for digital cameras
- Backlight drivers for handheld devices
- LCD display backlight systems
Procurement Notes
Verify obsolescence status directly with the manufacturer or authorized distributors before design finalization. Confirm RoHS compliance details through official documentation. Check regional sales restrictions and lead times carefully due to discontinued lifecycle status. Ensure supply chain stability for production requirements given the limited availability.
Selection Notes
Select this component when a six-channel LED driver with integrated charge pump is required for portable electronics. Consider the 3 V to 5.5 V input range compatibility with single-cell battery systems. Evaluate the TQFN-16 package constraints against PCB layout space. Note that alternative parts may be necessary due to the obsolete status of this specific model.
Part Context
This part belongs to the CAT3606 series of LED lighting drivers. It is specifically engineered for applications requiring multiple white LED channels driven from a low-voltage source. The HV4 suffix indicates specific packaging and tape-and-reel configuration options available for this family member.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided data. Due to the obsolete status, engineers should consult onsemi for recommended next-generation replacements or perform full electrical parameter matching with other six-channel charge pump LED drivers.
