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CAT4137TD-GT3
+Lista de MateriaisIC LED DRVR RGLTR PWM TSOT23-5
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Fabricanteonsemi
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Peça do Fabricante #CAT4137TD-GT3
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Pacote SOT-23-5
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 1 |
| Voltage-Supply(Min) | 2.2V |
| Voltage-Supply(Max) | 5.5V |
| Voltage-Output | 24V |
| Current-Output/Channel | 30mA |
| Frequency | 1MHz |
| Dimming | Analog, PWM |
| Applications | Backlight |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-5 Thin, TSOT-23-5 |
Visão Geral
Description
The CAT4137TD-GT3 is a high-efficiency, step-up DC-DC converter designed by Catalyst Semiconductor for driving high-brightness LEDs. It is typically used in backlighting applications for portable devices such as smartphones, tablets, and GPS units. The device features a built-in power MOSFET, allowing it to efficiently boost input voltages from as low as 2.5V to higher levels suitable for driving multiple LEDs in series.
Key features of the CAT4137TD-GT3 include a wide input voltage range, low shutdown current, and a high switching frequency, which reduces the size of external components. It also includes over-voltage protection, current limiting, and thermal shutdown to enhance reliability and safety. The device is available in a compact package, making it ideal for space-constrained applications.
With its combination of efficiency, protection, and compact design, the CAT4137TD-GT3 is well-suited for applications requiring efficient LED backlighting solutions in portable electronic devices.
Key features of the CAT4137TD-GT3 include a wide input voltage range, low shutdown current, and a high switching frequency, which reduces the size of external components. It also includes over-voltage protection, current limiting, and thermal shutdown to enhance reliability and safety. The device is available in a compact package, making it ideal for space-constrained applications.
With its combination of efficiency, protection, and compact design, the CAT4137TD-GT3 is well-suited for applications requiring efficient LED backlighting solutions in portable electronic devices.
Equivalent
The CAT4137TD-GT3 is a DC-DC boost converter designed for LED backlighting. Equivalent products may include:
1. TPS61165 from Texas Instruments
2. LT3518 from Analog Devices
3. AP3031 from Diodes Incorporated
4. MAX16834 from Maxim Integrated
5. NCP5007 from ON Semiconductor
These alternatives offer similar functionality like boosting low voltages to drive LED arrays. Always verify specifications and pin compatibility before choosing a substitute.
1. TPS61165 from Texas Instruments
2. LT3518 from Analog Devices
3. AP3031 from Diodes Incorporated
4. MAX16834 from Maxim Integrated
5. NCP5007 from ON Semiconductor
These alternatives offer similar functionality like boosting low voltages to drive LED arrays. Always verify specifications and pin compatibility before choosing a substitute.
Features
The CAT4137TD-GT3 is a high-efficiency boost converter designed for driving LED backlights in portable devices. Key features include:
1. Efficiency: It offers high efficiency, typically greater than 85%, which is crucial for battery-powered devices.
2. Output Voltage: It can boost the input voltage to a maximum output of 32V, making it suitable for multiple LED configurations.
3. Current Control: The device includes precise current control, ensuring uniform LED brightness.
4. Compatibility: It supports input voltages ranging from 2.5V to 5.5V, accommodating typical battery voltages.
5. PWM Dimming: Integrated pulse-width modulation (PWM) dimming control allows for adjustable brightness.
6. Protection Features: Built-in protection includes over-voltage protection, short-circuit protection, and thermal shutdown.
7. Compact Size: It comes in a small package, beneficial for space-constrained applications.
8. Low Quiescent Current: The low standby current extends battery life, especially in portable devices.
These features make the CAT4137TD-GT3 suitable for applications like smartphones, tablets, and other devices requiring efficient LED backlighting.
1. Efficiency: It offers high efficiency, typically greater than 85%, which is crucial for battery-powered devices.
2. Output Voltage: It can boost the input voltage to a maximum output of 32V, making it suitable for multiple LED configurations.
3. Current Control: The device includes precise current control, ensuring uniform LED brightness.
4. Compatibility: It supports input voltages ranging from 2.5V to 5.5V, accommodating typical battery voltages.
5. PWM Dimming: Integrated pulse-width modulation (PWM) dimming control allows for adjustable brightness.
6. Protection Features: Built-in protection includes over-voltage protection, short-circuit protection, and thermal shutdown.
7. Compact Size: It comes in a small package, beneficial for space-constrained applications.
8. Low Quiescent Current: The low standby current extends battery life, especially in portable devices.
These features make the CAT4137TD-GT3 suitable for applications like smartphones, tablets, and other devices requiring efficient LED backlighting.
Pinout
The CAT4137TD-GT3 is a DC-DC boost converter designed for driving LED backlights. It features a small footprint and high efficiency, making it suitable for portable devices. The device is available in a 6-pin Thin SOT-23 package.
The pin functions are typically as follows:
1. SW (Switch): This pin is connected to the inductor and serves as the switching node.
2. GND (Ground): This pin is the ground reference for the device.
3. FB (Feedback): This pin is used to set the output current by connecting it to a resistor.
4. VOUT (Output Voltage): This pin provides the output voltage to the LEDs.
5. EN (Enable): This pin is used to enable or disable the device. A logic high enables the device.
6. VIN (Input Voltage): This pin is connected to the input voltage supply.
Always refer to the manufacturer’s datasheet for the most accurate and specific information regarding pin configuration and functions.
The pin functions are typically as follows:
1. SW (Switch): This pin is connected to the inductor and serves as the switching node.
2. GND (Ground): This pin is the ground reference for the device.
3. FB (Feedback): This pin is used to set the output current by connecting it to a resistor.
4. VOUT (Output Voltage): This pin provides the output voltage to the LEDs.
5. EN (Enable): This pin is used to enable or disable the device. A logic high enables the device.
6. VIN (Input Voltage): This pin is connected to the input voltage supply.
Always refer to the manufacturer’s datasheet for the most accurate and specific information regarding pin configuration and functions.
Manufacturer
The CAT4137TD-GT3 is manufactured by ON Semiconductor, which is now known as onsemi. Onsemi is a leading semiconductor supplier that designs and manufactures a wide range of semiconductor components. These components are used in various applications across different industries, including automotive, industrial, computing, consumer electronics, and communications.
Onsemi specializes in power management solutions, sensors, and connectivity products. The company focuses on providing energy-efficient and sustainable solutions by delivering performance improvements and reducing power consumption. It serves customers globally and is committed to innovation and technological advancement in the semiconductor industry.
Onsemi specializes in power management solutions, sensors, and connectivity products. The company focuses on providing energy-efficient and sustainable solutions by delivering performance improvements and reducing power consumption. It serves customers globally and is committed to innovation and technological advancement in the semiconductor industry.
Application
The CAT4137TD-GT3 is a high-voltage boost converter designed for driving LEDs, particularly useful in backlighting applications. Its primary application areas include:
1. Portable Electronics: Used in devices like smartphones and tablets for LED backlighting.
2. Display Backlighting: Suitable for LCD backlighting in monitors and televisions.
3. General Illumination: Can be used in various LED lighting applications requiring efficient current regulation.
4. Signage and Indicator Lights: Useful in applications needing precise LED control for signs and indicators.
Its compact size, along with high efficiency and low noise operation, make it ideal for these applications.
1. Portable Electronics: Used in devices like smartphones and tablets for LED backlighting.
2. Display Backlighting: Suitable for LCD backlighting in monitors and televisions.
3. General Illumination: Can be used in various LED lighting applications requiring efficient current regulation.
4. Signage and Indicator Lights: Useful in applications needing precise LED control for signs and indicators.
Its compact size, along with high efficiency and low noise operation, make it ideal for these applications.
Package
The CAT4137TD-GT3 is a DC-DC boost converter packaged in a small 6-lead TDFN (Thin Dual Flat No-Lead) package, making it suitable for compact applications.
