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ONSEMI CAT4238TD-GT3
LED Driver, Boost (Step Up), 2-5.5V input, 1 Output, 1 MHz switch-freq., 38V/450 mA out, TSOT-23-5
- Manufacturer:
- ONSEMI ONSEMI
- Manufacturer Part No:
- CAT4238TD-GT3
- Order Code:
- 1656118
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- Technical Datasheet:
- CAT4238TD-GT3 Datasheet
- ECAD / MCAD
-
Alternatives for CAT4238TD-GT3
Product Information
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- :
- Boost
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- -
- :
- 2V
- :
- 5.5V
- :
- 38V
- :
- 100mA
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- 1MHz
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- Surface Mount
- :
- TSOT-23
- :
- 5Pins
- :
- -40°C
- :
- 85°C
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- -
- :
- -
- :
- -
Technical Documents (3)
Product Overview
The CAT4238TD-GT3 is a DC/DC Step-up Converter delivers an accurate constant current ideal for driving LEDs. Operation at a fixed switching frequency of 1MHz allows the device to be used with small value external ceramic capacitors and inductor. LEDs connected in series are driven with a regulated current set by the external resistor R1. LED currents up to 40mA can be supported over a wide range of input supply voltages up to 5.5V, making the device ideal for battery-powered applications. The CAT4238 high-voltage output stage is perfect for driving mid-size and large panel displays containing up to ten white LEDs in series. LED dimming can be done by using a DC voltage, a logic signal or a pulse width modulation (PWM) signal. The shutdown input pin allows the device to be placed in power-down mode with zero quiescent current.
- Drives high voltage LED strings (38V)
- Up to 87% efficiency
- Low quiescent ground current of 0.6mA
- Adjustable output current
- 1MHz Fixed frequency low noise operation
- Soft start in-rush current limiting
- Shutdown current less than 1μA
- Open LED overvoltage protection
- Automatic shutdown at 1.9V (UVLO)
- Thermal overload protection
Applications
Sensing & Instrumentation, Consumer Electronics, Portable Devices
Packaging type
Cut Tape
No Longer Manufactured
¥237.16
(
¥260.88
Inc. JCT)
Pricing is unavailable. Please contact customer services.
- Price for:
- Each (Supplied on Cut Tape)
Multiple: 1 Minimum: 1
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- 100+
| Quantity | Price (Incl JCT) | Your Price (Incl JCT) |
|---|---|---|
| 1+ | ¥237.16 (¥260.88) | ( ) |
| 10+ | ¥232.42 (¥255.66) | ( ) |
| 100+ | ¥227.68 (¥250.45) | ( ) |
| Quantity | Price (Incl JCT) | Your Price (Incl JCT) |
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