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See Technical Specifications

CAT4101TV-T75

LED Driver IC 1 Output Linear PWM Dimming 1A TO-263 (D2PAK)

Manufacturer:

onsemi
Mfr.Part #:

CAT4101TV-T75
Datasheet:

CAT4101TV-T75 Datasheet (PDF)
Type:

Linear
Internal Switch(s):

Yes
Number of Outputs:

1
Voltage - Supply (Min):

3V
EDA/CAD Models:

Request Free CAD Models for CAT4101TV-T75

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CAT4101TV-T75 General Description

The CAT4101 is a constant-current sink driving a string of high-brightness LEDs up to 1 A with very low dropout of 0.5 V at full load. It requires no inductor, provides a low noise operation and minimizes the number of components. The LED current is set by an external resistor connected to the RSET pin. The LED pin is compatible with high voltage up to 25 V, allowing the driving of long strings of LEDs. The device ensures an accurate and regulated current in the LEDs independent of supply and LED forward voltage variation. The PWM/EN input allows the device shutdown and the LED brightness adjustment by using an external pulse width modulation (PWM) signal. The driver features a thermal shutdown protection that becomes active whenever the die temperature exceeds 150C. The device is available in a high-power, 5-lead TO-263 package offering excellent thermal dissipation characteristics.

Key Features

Accurate 1 A Current Sink
Up to 25 V Operation on LED Pin
Low Dropout 500 mV at 1 A
LED Current Set by External Resistor
High Resolution PWM Dimming via EN/PWM
'Zero' current Shutdown mode
Thermal Shutdown Protection
TO263 (D²PAK) 5-lead Package
This Device is Pb-Free, Halogen Free/BFR Free and is RoHS Compliant

Application

High Power LED up to 1A

Specifications

Type	Linear	Topology	-
Internal Switch(s)	Yes	Number of Outputs	1
Voltage - Supply (Min)	3V	Voltage - Supply (Max)	5.5V
Voltage - Output	25V	Current - Output / Channel	1A
Frequency	-	Dimming	PWM
Applications	Lighting	Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount