Technical Documents
PDF / CAD
RoHS Compliant · Lead-Free
EIA-481 Standard
Lumissil Microsystems IS31LT3957A-ZLS4-TR
MPN IS31LT3957A-ZLS4-TR
Active
Spot Stock · 24-48h Dispatch
100% Original Sealed
IC LED DRIVER CTRLR PWM 16ETSSOP
In Stock: 1,568 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d)
Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$2.13 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$2.13
10+ pcs
$1.92
30+ pcs
$1.75
100+ pcs
$1.58
500+ pcs
$1.47
1,000+ pcs
$1.38
Working on a production BOM or have a target unit price? Submit Target Price
[SPEC] Essential Parameters Snapshot Full Specifications (12)
Package / Case 16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supply Voltage 75V
Full Technical Specifications
12 Parameters| Parameter / Attribute | Specification / Value |
|---|---|
| Type | DC DC Controller |
| Mounting | Surface Mount |
| Supply voltage | 75V |
| Frequency | 100kHz ~ 1MHz |
| I/O channels | 1 |
| Operating temperature | -40°C ~ 125°C (TA) |
| Dimming | PWM |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Topology | SEPIC, Step-Down (Buck), Step-Up (Boost) |
| Applications | General Purpose |
| Case | 16-TSSOP (0.173\", 4.40mm Width) Exposed Pad |
| Internal switch | No |
[DESK] Shenzhen Spot Allocation · 2h Response
Need Immediate Spot Stock or Shortage Allocation for IS31LT3957A-ZLS4-TR?
Factory lead times blocking production? We lock verified brand-new original stock in Shenzhen within 2 hours.
Quote SLA 2 Hours
[01] Emergency Shortage 24-48h Shenzhen Dispatch
Direct access to Shenzhen floor inventory, franchised allocation buffers, and factory bonded stock to resolve line-down shutdowns.
[02] Industrial Packaging Tape & Reel / Tray / Tube
Standard factory-sealed packaging compliant with EIA-481 standards for automated high-speed SMT pick-and-place lines.
[03] WhatsApp QC Proof 45x Microscope QC Photos
High-resolution photos of original reel labels, 2D DataMatrix, and pin coplanarity sent via WhatsApp/Telegram before you release wire payment.
● USD Wire Transfer (SWIFT T/T) · DAP Express / DDP Delivery
IS31LT3957A-ZLS4-TR
Verified Allocation