LM3431MH/NOPB
IC LED DRIVER CTRLR DIM 28HTSSOP
Pmic Led Drivers
28-PowerTSSOP (0.173", 4.40mm Width)
Active
$4.04 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | LM3431MH/NOPB |
| Package / Case | 28-PowerTSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Step-Up (Boost) |
| Number of Outputs | 3 |
| Supplier Device Package | 28-HTSSOP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LM3431MH/NOPB by Texas Instruments is a Step-Up (Boost) IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output -. The 28-PowerTSSOP (0.173", 4.40mm Width) package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Type | DC DC Controller |
| Dimming | Analog, PWM |
| Topology | Step-Up (Boost) |
| Frequency | 1MHz |
| Applications | Backlight |
| Number of Outputs | 3 |
| Internal Switch(s) | No |
| Voltage - Supply (Max) | 36V |
| Voltage - Supply (Min) | 4.5V |
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