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Product Detailed Parameters
- Description：IC LED DRV RGLTR PWM 25MA 16TQFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Switched Capacitor (Charge Pump)
- Internal Switch(s)：Yes
- Number of Outputs：4
- Voltage - Supply (Min)：2.5V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：25mA
- Frequency：1MHz
- Dimming：PWM
- 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 CAT3604VHV4-GT2 is a quad-channel LED lighting driver IC manufactured by onsemi. It operates within an input voltage range of 2.5 V to 5.5 V and features four independent output channels. The device utilizes a TQFN-16 surface-mount package and supports operation temperatures from -40 °C to +85 °C. Maximum supply current is specified at 30 mA. This component is designed for precise LED control applications requiring multiple channel management.
Feature Summary
- Integrates four independent output channels for simultaneous LED control
- Includes open and short circuit detection capabilities for fault monitoring
- Utilizes internal charge pump topology to drive LED loads
- Operates with low supply current consumption
Applications
- LED backlighting systems
- Portable electronic display illumination
- General LED lighting modules
Procurement Notes
Verify the specific suffix HV4 against official datasheets to confirm pinout and electrical characteristics match design requirements. Confirm RoHS compliance status through manufacturer documentation. Check for obsolescence notices as this part may be discontinued. Ensure ESD handling protocols are followed during assembly due to the sensitive semiconductor nature of the device.
Selection Notes
Select this component when a quad-channel solution with diagnostic feedback is required. The integrated open/short detect feature simplifies system reliability monitoring. Verify that the 2.5 V to 5.5 V input range aligns with the system power architecture. Consider the TQFN-16 package constraints for PCB layout and thermal management requirements in the final design.
Part Context
This device belongs to the CAT3604 series of LED drivers from onsemi. It shares architectural similarities with other members like the CAT3604HV4-GT2 but includes specific diagnostic features such as open-short detection. The series targets portable and general lighting applications requiring compact, multi-channel LED control solutions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult onsemi technical support or authorized distributors for qualified alternatives if this component is unavailable.
