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Product Detailed Parameters
- Description：IC LED DRV RGLTR PWM 30MA 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)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：30mA
- Frequency：1MHz
- Dimming：Analog, 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 CAT3604AHV4-T2 is an LED display driver manufactured by onsemi, housed in a 16-pin HVQCCN (TQFN-EP) package. It features four segment outputs and operates within a supply voltage range of 2.5 V to 5.5 V. The device supports PWM dimming control and includes open/short detection capabilities for output channels. It functions as a single-function interface IC with no multiplexed display support. The component is rated for operation between -40 °C and +85 °C, complies with RoHS standards, and utilizes lead-free terminations.
Feature Summary
- Four-segment LED display driver architecture
- Integrated open and short circuit detection
- Pulse-width modulation dimming capability
- Lead-free compliant packaging
Applications
- LED indicator displays
- Segmented LCD backlight drivers
- Portable electronic devices
- Consumer appliance interfaces
Procurement Notes
Verify the specific suffix 'HV4' against current manufacturer documentation to confirm pinout and electrical characteristics, as variations exist within the CAT3604 family. Ensure the TQFN-EP package type matches the target PCB footprint. Confirm availability status directly with onsemi or authorized distributors, as lifecycle notifications may affect long-term sourcing. Cross-reference the ECCN code EAR99 for export compliance requirements relevant to the destination region.
Selection Notes
Select this component when a low-pin-count solution is required for driving segmented LED indicators. The integrated fault detection simplifies system reliability monitoring without external components. Verify that the input voltage range aligns with the system power rail. Consider the thermal performance of the exposed pad design for heat dissipation in enclosed enclosures. Ensure the PWM frequency compatibility with the host controller's output signals.
Part Context
This part belongs to the CAT3604 series of LED drivers from onsemi, designed for compact display applications. It shares functional similarities with other members like the CAT3604VHV4-GT2 but differs in specific output configurations and feature sets. The series targets cost-sensitive consumer electronics requiring reliable LED control with minimal external circuitry.
Replacement Considerations
Check for direct substitutes such as the CAT3604VHV4-GT2, noting differences in channel count and specific feature sets. Verify pin-to-pin compatibility before substitution. Review updated datasheets for any changes in electrical parameters or package dimensions.
