MP3398H Series Step-Up WLED Controllers

Monolithic Power Systems (MPS) MP3398H Series Step-Up WLED Controllers are designed to drive WLED arrays for large LCD panel backlighting applications. These step-up controllers feature four LED current channels and can be expanded in number with two or more ICs in parallel, sharing a single power source. The MP3398H WLED controllers employ peak current control mode with a fixed switching frequency (fSW) that is configurable via an external setting resistor. The MP3398H controllers drive an external MOSFET to boost the output voltage (VOUT) from a 4.5V to 33V input voltage (VIN) supply. These devices also regulate the current in each LED string to the value set by external current-setting resistors.

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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Number of Outputs
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Package/Case
Supply Voltage - Max
Supply Voltage - Min
Output Voltage
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Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Monolithic Power Systems (MPS) LED Lighting Driver ICs 4-String, Max 400mA/String, 80V Return, Step-Up, WLED Controller
Datasheet
1.556In Stock
2.500Expected 27/11/2026
Cut Tape
Rp51.001,88
Rp37.976,22
Rp34.673,94
Rp31.004,74
Reel
Rp25.684,40
View
Min.: 1
Mult.: 1
: 2.500
4 Output Boost SOIC-16 33 V 4.5 V 80 V MP3398H - 40 C + 125 C Reel, Cut Tape
Monolithic Power Systems (MPS) LED Lighting Driver ICs 4-String, Max 400mA/String, 80V Return, Step-Up, WLED Controller
Datasheet
490In Stock
Cut Tape
Rp55.955,30
Rp41.828,88
Rp38.343,14
Rp34.490,48
Reel
Rp31.922,04
View
Min.: 1
Mult.: 1
: 500
4 Output Boost SOIC-16 33 V 4.5 V 80 V MP3398H - 40 C + 125 C Reel, Cut Tape