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CAT4134

On Semiconductor
Part Number CAT4134
Manufacturer On Semiconductor
Description Dual Channel LED Driver
Published Oct 16, 2022
Detailed Description CAT4134 LED Driver, Dual Channel Movie/Flash, 500 mA Description The CAT4134 is a high power, dual channel boost conver...
Datasheet PDF File CAT4134 PDF File

CAT4134
CAT4134

Overview
CAT4134 LED Driver, Dual Channel Movie/Flash, 500 mA Description The CAT4134 is a high power, dual channel boost converter which provides two matched LED currents.
Output current levels are controlled by one of two resistors RSET or RFLASH.
When the FLASH input pin is low (movie mode), RSET sets the current.
When FLASH is high (flash mode), the resistor RFLASH sets the LED current.
Each channel drives two or three white LEDs in series and provides a regulated current to control their brightness.
Input supply down to 3 V is supported, making the device ideal for Li−Ion battery applications.
High frequency low noise operation allows the device to be used with small external inductors and ceramic capacitors while still maintaining excellent efficiency.
When not in use the device can be placed into a “zero” quiescent mode via the shutdown pin.
In addition to soft-start control and current limiting, the CAT4134 include thermal shutdown protection.
A dedicated overvoltage pin (OVP) allows t...


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