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L5991D

L5991D

L5991D

STMicroelectronics

IC OFFLINE SWITCH MULT TOP 16SO

compliant

16-SOIC (0.154", 3.90mm Width)

HongKong/Shenzhen Warehouse

DHL/Fedex/UPS/TNT/SF/EMS

L5991D Pricing & Ordering

Quantity Unit Price Ext. Price
1 $2.22000 $2.22
50 $1.90740 $95.37
100 $1.64490 $164.49
500 $1.37548 $687.74
1,000 $1.16276 -
Inventory changes frequently.

L5991D Purchase Assurance: Buy Confidently, Use Securely

Transparent & Traceable Sources

We source exclusively from verified channels to ensure authenticity:

  • Direct from manufacturer and OEMs
  • Authorized distributors
  • Market-vetted traders (3+ years stable supply)

Every batch is traceable with documented proof of origin.

Quality Inspection Process

We enforce strict checks to ensure components meet standards:

  • Visual: Appearance, markings, packaging, batch codes
  • X-ray: Pad consistency (on request)
  • Function test: Sample checks for specific models (upon request)
  • Reports: Available upon request
Flexible Payments & Terms

We adapt to your project needs:

  • T/T, PayPal, Credit Card
  • Credit terms for long-term partners (e.g., monthly, Net 15/30)
Reliable After-Sales Support

365 Days warranty with streamlined solutions:

  • Defective? Free returns/replacements
  • Fast reshipment or refund
  • Full-service sourcing: Procurement & payment support
Bom Cost Down
Bom Cost Down
Wholesale Prices for Every Order, Big or Small
Wholesale Prices for Every Order, Big or Small

L5991D STMicroelectronics

Name Value
Product Status Active
Output Isolation Isolated
Internal Switch(s) No
Voltage - Breakdown -
Topology Boost, Flyback
Voltage - Start Up 15 V
Voltage - Supply (Vcc/Vdd) 10V ~ 20V
Duty Cycle 93%
Frequency - Switching Up to 1MHz
Power (Watts) -
Fault Protection Current Limiting, Over Voltage
Control Features Frequency Control, Soft Start, Sync
Operating Temperature -40°C ~ 150°C (TJ)
Package / Case 16-SOIC (0.154", 3.90mm Width)
Supplier Device Package 16-SO
Mounting Type Surface Mount
Q1: What is the purchase guide for L5991D?
L5991D of STMicroelectronics is a IC OFFLINE SWITCH MULT TOP 16SO. ICHOME is a long-term spot supplier of L5991D, supporting sample purchase and bulk order.
Q2: How to find the detailed information of L5991D?
Download L5991D Datasheet
Q3: What payment can support in ICHOME?
PayPal, Payoneer, Visa, Bank Transfer, AliExpress.
Q4: Where do you sourcingL5991D from?
After 21 years of long-term and stable development, ICHOME have accumulated leading supply chain partner.
Q5: Can you provide L5991D alternative/replacement suggestions?
Through different levels of industry applications, ICHOME engineers will analyze component risks (discontinued, single source, etc.) and give you L5991D replacement suggestions, and then provide you with alternative products, supporting free sample delivery.
Q6: Why choose ICHOME?
Compared with ordinary agents, ICHOME provides full BOM matching, EOL judgment, alternative model suggestions, large stock + flexible procurement, test reports, return service
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