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EV3398A-S-00A

4-String, 350mA, White LED Driver Evaluation Board

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EV3398A-S-00A

EV3398A-S-00A

4-String, 350mA, White LED Driver Evaluation Board

Datasheet

Description

The EV3398A-S-00A is an evaluation board for the MP3398A, a step-up converter designed for liquid-crystal displays that employ an array of LEDs as the light source. It can drive up to four strings of LEDs in parallel with a 350mA/string maximum current. The MP3398A uses current-mode, fixed switching frequency architecture. The frequency is programmable by an external frequency-setting resistor. The device drives an external MOSFET to boost up the output voltage from a 5V to 28V input supply. It regulates the current in each LED string to the programmed value set by an external current-setting resistor.

The MP3398A can support both analog and PWM dimming independently to meet the special dimming mode request. In addition, rich protection modes are integrated, including OCP, OTP, UVP, OVP, LED short/open protection, and inductor/diode short protection.

The MP3398A is available in SOIC-16, TSSOP-16, and SOIC-20 packages.

Product Evaluated

5V to 28V, 4-Channel, 350mA/ch WLED Boost Controller with Separate PDIM and ADIM Pins

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4-String, Max 350mA/String, Step-Up, White LED Controller with Analog and PWM Dimming

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Features & Benefits

4-String, Max 350mA/String at 10% DPWM
5V to 28V Input Voltage Range
2.5% Current Matching Accuracy Between Strings
Programmable Switching Frequency
PWM and Analog Dimming Mode
Cascading Capability with a Single Power Source
LED Open and Short LED Protection
Programmable Over-Voltage Protection
Recoverable Thermal Shutdown Protection
Over-Current Protection
Inductor/Diode Short Protection
Under-Voltage Lockout
Available in SOIC-16, TSSOP-16, and SOIC-20 Packages

Active Part Numbers:

EV3398A-S-00A

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$100.00 /unit

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Arrives 3-4 business days. Shipping only $5 per order.

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100 Max per Company.
Limited Inventory to support product development.

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