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LT1932ES6#TRPBF
+BOMIC LED DRVR RGLTR PWM TSOT23-6
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제조업체 부품 #LT1932ES6#TRPBF
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사양
| 속성 | 가치 |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 1V |
| Voltage - Supply (Max) | 10V |
| Voltage - Output | 36V |
| Current - Output / Channel | 40mA |
| Frequency | 1.2MHz |
| Dimming | PWM |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | SOT-23-6 Thin, TSOT-23-6 |
| Supplier Device Package | TSOT-23-6 |
| Base Product Number | LT1932 |
개요
Description
The LT1932ES6#TRPBF is a step-up DC/DC converter from Analog Devices (previously Linear Technology) designed specifically for driving white LEDs. This device operates with a constant frequency and maintains a consistent current output, which is essential for applications requiring precise LED brightness control. Housed in a compact SOT-23 package, it is ideal for portable devices like mobile phones, PDAs, and cameras.
Key features of the LT1932 include its high efficiency and ability to drive up to 10 white LEDs in series from a 2.6V to 16V input. The device uses a single inductor and a Schottky diode to boost voltage, and it incorporates a shutdown mode to save power when not in use. Additionally, the LT1932 offers features like open-circuit protection and undervoltage lockout to enhance reliability and performance.
Overall, the LT1932ES6#TRPBF provides a compact, efficient solution for applications requiring precise LED control and is valued for its high performance in portable electronic devices.
Key features of the LT1932 include its high efficiency and ability to drive up to 10 white LEDs in series from a 2.6V to 16V input. The device uses a single inductor and a Schottky diode to boost voltage, and it incorporates a shutdown mode to save power when not in use. Additionally, the LT1932 offers features like open-circuit protection and undervoltage lockout to enhance reliability and performance.
Overall, the LT1932ES6#TRPBF provides a compact, efficient solution for applications requiring precise LED control and is valued for its high performance in portable electronic devices.
Equivalent
The LT1932ES6#TRPBF is a white LED driver IC. Equivalent products include:
1. Maxim Integrated MAX1555 - Low dropout, high-efficiency white LED driver.
2. Texas Instruments TPS61041 - Boost converter for driving white LEDs.
3. ON Semiconductor NCP5007 - High-efficiency, PWM step-up DC-DC converter.
4. Microchip MCP1642 - Single inductor, synchronous boost regulator.
5. Analog Devices ADP1610 - Step-up DC-DC converter for white LEDs.
Ensure to check specifications for compatibility before substitution.
1. Maxim Integrated MAX1555 - Low dropout, high-efficiency white LED driver.
2. Texas Instruments TPS61041 - Boost converter for driving white LEDs.
3. ON Semiconductor NCP5007 - High-efficiency, PWM step-up DC-DC converter.
4. Microchip MCP1642 - Single inductor, synchronous boost regulator.
5. Analog Devices ADP1610 - Step-up DC-DC converter for white LEDs.
Ensure to check specifications for compatibility before substitution.
Features
The LT1932ES6#TRPBF is a compact, high-efficiency, constant-current DC/DC converter designed for driving LEDs. It features a wide input voltage range of 3V to 34V, making it versatile for various applications. The device is capable of driving up to 10 white LEDs in series with a single inductor, ensuring matching currents and consistent brightness. It offers a fixed switching frequency of 1.2MHz, which allows the use of small, low-profile inductors and capacitors.
The LT1932ES6#TRPBF includes several protection features, such as open-circuit protection and overvoltage protection, enhancing its reliability. It also supports PWM dimming, enabling users to adjust the LED brightness without affecting color. Additionally, the low shutdown current of less than 1µA helps in conserving battery life in portable applications.
Housed in a compact 6-lead SOT-23 package, the LT1932ES6#TRPBF is suitable for space-constrained designs. Its high efficiency, typically over 80%, along with its robust performance, makes it ideal for use in hand-held devices, display backlighting, and other LED lighting applications.
The LT1932ES6#TRPBF includes several protection features, such as open-circuit protection and overvoltage protection, enhancing its reliability. It also supports PWM dimming, enabling users to adjust the LED brightness without affecting color. Additionally, the low shutdown current of less than 1µA helps in conserving battery life in portable applications.
Housed in a compact 6-lead SOT-23 package, the LT1932ES6#TRPBF is suitable for space-constrained designs. Its high efficiency, typically over 80%, along with its robust performance, makes it ideal for use in hand-held devices, display backlighting, and other LED lighting applications.
Pinout
The LT1932ES6#TRPBF is a step-up DC/DC converter designed for driving white LEDs in applications such as backlighting. It typically comes in a SOT-23 package with a 6-pin configuration. Here's a brief overview of its pin functions:
1. SW (Pin 1): This is the switch pin, connected to the inductor and the anode of the Schottky diode. It is where the inductor's energy is stored and released to drive the LEDs.
2. GND (Pin 2): Ground pin, which serves as the reference point for the circuit.
3. FB (Pin 3): Feedback pin, used to regulate the LED current. It senses the voltage drop across the external sense resistor.
4. SHDN (Pin 4): Shutdown pin, which can be used to turn the device on or off. A high voltage on this pin enables the IC, while a low voltage shuts it down.
5. VIN (Pin 5): Input voltage pin, where the supply voltage is connected.
6. LED (Pin 6): This pin connects to the cathode of the LED string and is used for current regulation.
This chip efficiently drives LEDs with a constant current, maximizing brightness and ensuring consistent performance.
1. SW (Pin 1): This is the switch pin, connected to the inductor and the anode of the Schottky diode. It is where the inductor's energy is stored and released to drive the LEDs.
2. GND (Pin 2): Ground pin, which serves as the reference point for the circuit.
3. FB (Pin 3): Feedback pin, used to regulate the LED current. It senses the voltage drop across the external sense resistor.
4. SHDN (Pin 4): Shutdown pin, which can be used to turn the device on or off. A high voltage on this pin enables the IC, while a low voltage shuts it down.
5. VIN (Pin 5): Input voltage pin, where the supply voltage is connected.
6. LED (Pin 6): This pin connects to the cathode of the LED string and is used for current regulation.
This chip efficiently drives LEDs with a constant current, maximizing brightness and ensuring consistent performance.
Manufacturer
The LT1932ES6#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that designs and manufactures a wide range of analog, mixed-signal, and digital signal processing integrated circuits. They serve various industries, including automotive, telecommunications, consumer electronics, industrial, and healthcare. The company is known for its innovation and high-performance solutions that enable advancements in technology and electronics.
Application
The LT1932ES6#TRPBF is a current mode PWM step-up DC/DC converter designed primarily for driving white LEDs. Applications for this component include backlighting for LCD screens in mobile devices, such as cell phones, PDAs, and digital cameras. It can also be used in handheld instruments and other portable devices requiring efficient LED backlighting. Its compact design and high efficiency make it suitable for small, battery-powered applications.
Package
The LT1932ES6#TRPBF is packaged in an SOT-23-6 (Small Outline Transistor) form factor.
