LM3421MHX/NOPB is out of stock and can be placed on backorder.
Available Substitutes:
Parametric Equivalent
Parametric Equivalent
Parametric Equivalent
Parametric Equivalent
Parametric Equivalent

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
LM3421MHX/NOPB | |
|---|---|
DigiKey Part Number | 296-41305-2-ND - Tape & Reel (TR) 296-41305-1-ND - Cut Tape (CT) 296-41305-6-ND - Digi-Reel® |
Manufacturer | |
Manufacturer Product Number | LM3421MHX/NOPB |
Description | IC LED DRIVER CTRLR PWM 16HTSSOP |
Manufacturer Standard Lead Time | 6 Weeks |
Customer Reference | |
Detailed Description | LED Driver IC 1 Output DC DC Controller SEPIC, Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 16-HTSSOP |
Datasheet | Datasheet |
EDA/CAD Models | LM3421MHX/NOPB Models |
Product Attributes
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Category | Voltage - Supply (Max) 75V |
Manufacturer Texas Instruments | Voltage - Output 3V ~ 72V |
Packaging Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Frequency 2MHz |
Part Status Active | Dimming Analog, PWM |
Type DC DC Controller | Operating Temperature -40°C ~ 125°C (TJ) |
Topology SEPIC, Step-Down (Buck), Step-Up (Boost) | Mounting Type Surface Mount |
Internal Switch(s) No | Package / Case 16-PowerTSSOP (0.173", 4.40mm Width) |
Number of Outputs 1 | Supplier Device Package 16-HTSSOP |
Voltage - Supply (Min) 4.5V | Base Product Number |
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Substitutes (5)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| LM3421MH/NOPB | Texas Instruments | 0 | LM3421MH/NOPB-ND | $4.04000 | Parametric Equivalent |
| LM3421Q0MH/NOPB | Texas Instruments | 0 | LM3421Q0MH/NOPB-ND | $3.90993 | Parametric Equivalent |
| LM3421Q0MHX/NOPB | Texas Instruments | 0 | LM3421Q0MHX/NOPBTR-ND | $3.02214 | Parametric Equivalent |
| LM3421Q1MH/NOPB | Texas Instruments | 0 | LM3421Q1MH/NOPB-ND | $2.61174 | Parametric Equivalent |
| LM3421Q1MHX/NOPB | Texas Instruments | 0 | LM3421Q1MHX/NOPB-ND | $2.08689 | Parametric Equivalent |
In-Stock: 0
698 estimated in stock on 09-Nov-2026
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Quantity
All prices are in USD
Cut Tape (CT) & Digi-Reel®
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $3.43000 | $3.43 |
| 10 | $2.58100 | $25.81 |
| 25 | $2.36800 | $59.20 |
| 100 | $2.13370 | $213.37 |
| 250 | $2.02212 | $505.53 |
| 500 | $1.95484 | $977.42 |
| 1,000 | $1.89946 | $1,899.46 |
Tape & Reel (TR)
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 2,500 | $1.84100 | $4,602.50 |
| 5,000 | $1.80578 | $9,028.90 |

