
Allicdata Part #: | MAX8759ETI+-ND |
Manufacturer Part#: |
MAX8759ETI+ |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC CNTRL CCFL BACKLIGHT 28TQFN |
More Detail: | N/A |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tube |
Part Status: | Obsolete |
Type: | CCFL Controller |
Frequency: | 30kHz ~ 80kHz |
Voltage - Supply: | 4.5 V ~ 28 V |
Current - Supply: | 2.5mA |
Current - Output Source/Sink: | -- |
Dimming: | Yes |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 28-WFQFN Exposed Pad |
Supplier Device Package: | 28-TQFN (5x5) |
Base Part Number: | MAX8759 |
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The MAX8759ETI+ is a highly integrated, adjustable frequency, current mode, PWM controller designed for switch-mode power supplies in lighting applications. The device operates from input voltages as low as 6 to 50 Vdc and features external sensing for improved line and load regulations and a low shutdown current. The frequency is adjustable from 30 kHz to 300 kHz, allowing for optimization of system performance for a variety of power supply topologies. The device offers adjustable dead-time control to reduce shoot-through and improve efficiency.
The MAX8759ETI+ is especially suited for use in applications such as high-intensity discharge (HID) lamps, ballasts, dimmers, and DC to AC power supplies. HID lamps are used in a variety of lighting applications such as streetlamps, vegetation lighting, and automotive lighting. Many HID lamps are powered by electronic transformer ballasts, which convert input AC or DC power into a precisely controlled voltage and current needed to ignite and drive the lamp.
The MAX8759ETI+ provides a solution for compact, highly integrated, maximum efficiency, universal input for use in high frequency power supplies for these types of applications. The device offers a wide array of features and protections, including integrated switching MOSFETs, over-voltage, over-temperature and overload protections.
The MAX8759ETI+ combines an adjustable frequency PWM controller, a fixed frequency current-mode PWM feedback control, and a MOSFET driver into a single 28-pin, 4 mm x 7 mm SOC package. The device provides a full power-supply solution, including dead-time management, overcurrent protection, voltage and temperature supervision, and a power good (PG) output. The device also features overload protection and normal/power saving mode selection.
The device also features adjustable dead-time control to reduce shoot-through and improve efficiency. In addition, the device has two internal compensation pole settings, allowing for fast transient response and minimal output overshoot. The internal MOSFET MOSFETs feature logic-level gate control and one of them is diode-connected for synchronous rectification.
The MAX8759ETI+ features a low quiescent current, low noise operation, open-loop safe startup, and adjustable frequency. The device\'s output current can be adjusted by setting an external resistor. The device also includes a wide input range, logic-level gate control and integrated MOSFETs, which simplify design and eliminate the need for external components. The MAX8759ETI+ is also well suited for isolated flyback applications.
The MAX8759ETI+ is ideal for applications such as high-intensity discharge (HID) lamps, ballasts, dimmers, and DC to AC power supplies. It offers improved performance, robust protection and reliability, and an extended temperature range for reliable power conversion. The device also provides adjustable overload protection and a power-saving mode for improved efficiency. The combination of features and protection makes the MAX8759ETI+ an excellent choice for providing reliable, efficient, and cost-effective power conversion in lighting applications.
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