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Home > Products > Integrated Circuits (ICs) > Specialized ICs > SP1208B-WW
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SP1208B-WW

Manufacturer Part Number:
SP1208B-WW
Manufacturer / Brand
SOLIDLITE
Part of Description:
SOLIDLITE LED
Datasheets:
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 4960 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SP1208B-WW
Manufacturer / Brand SOLIDLITE
Stock Quantity 4960 pcs Stock
Category Integrated Circuits (ICs) > Specialized ICs
Description SOLIDLITE LED
Lead Free Status / RoHS Status: RoHS Compliant
Condition New Original Stock
Warranty 100% Perfect Functions
Lead Time 2-3days after payment.
Payment Credit Card / PayPal / Telegraphic Transfer (T/T) / Western Union
Shipping by DHL / Fedex / UPS / TNT
Port HongKong
RFQ Email Info@IC-Components.com

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

What is the maximum reverse voltage rating for the SP1208B-WW LED driver, and how does this limit its use in automotive lighting systems with transient load spikes?
The SP1208B-WW has a maximum reverse voltage rating of 12V. In automotive applications where load dump transients can exceed 40V, this device may require external protection circuitry such as Zener diodes or TVS arrays to prevent damage. Without such measures, prolonged exposure to high-voltage spikes could degrade reliability over time.
Can the SP1208B-WW operate reliably from a 5V logic supply while driving a white LED with a forward voltage of 3.2V at 20mA?
Yes, the SP1208B-WW can operate directly from a 5V supply. It features internal current regulation that maintains approximately 20mA through the LED regardless of input voltage fluctuations. However, ensure the input voltage remains above the LED’s forward voltage plus the IC’s dropout margin—typically around 3.5V minimum.
How should I handle thermal derating when using multiple SP1208B-WW devices in a compact PCB layout for a backlighting application?
Each SP1208B-WW dissipates up to 60mW under full load. In dense layouts, cumulative heat buildup can reduce junction temperature significantly. Maintain at least 1mm spacing between devices and avoid routing high-current traces beneath populated areas. For ambient temperatures above 50°C, consider reducing drive current by 10–15% to preserve lifespan.
Is it possible to replace the SP1208B-WW with the SP1208C-WW in an existing design without modifying the PCB layout?
While both are SOT23-6 packages and share similar electrical characteristics, the SP1208C-WW offers slightly higher output current (up to 35mA vs. 25mA) and different dimming response. Although pin-compatible, increasing current may require adjusting resistor values or verifying thermal performance. Always validate brightness consistency and thermal behavior under actual operating conditions before migration.
What configuration options exist for enabling/disabling the SP1208B-WW via digital control without adding external MOSFETs?
The SP1208B-WW supports enable functionality through its EN pin. Connecting the EN pin to ground disables the output; pulling it to VDD enables operation. This allows direct interfacing with microcontrollers or logic signals without additional switching components, simplifying system-level power management.
How does the internal reference voltage accuracy affect color consistency when driving RGB LEDs alongside the SP1208B-WW?
The SP1208B-WW provides ±5% typical reference voltage accuracy. When used with white LEDs near the green spectrum, this variation can cause perceptible shifts in perceived brightness. For multi-color systems requiring tight luminance matching, pair each channel with matched drivers or implement software-based calibration to compensate for reference drift.
Can the SP1208B-WW be used in a battery-powered device running on a single Li-ion cell (3.0V–4.2V) with frequent deep discharges?
Yes, the SP1208B-WW operates down to 2.7V, making it suitable for low-voltage battery applications. However, during deep discharge phases below 3.0V, output current may drop due to insufficient headroom. Monitor battery state-of-charge and consider using a boost converter if consistent brightness is required across the entire discharge cycle.
Are there any known issues with using the SP1208B-WW near magnetic sensors or compass modules in handheld devices?
The SP1208B-WW contains no ferromagnetic materials, but high di/dt currents through adjacent traces can induce noise in nearby sensitive analog circuits. Route power and ground lines away from magnetometer locations, and use guard traces or shielding if co-located in tight spaces to maintain compass accuracy.
What happens if the OUT pin of the SP1208B-WW is accidentally shorted to GND during soldering?
A direct short from OUT to GND causes excessive shoot-through current through the internal pass transistor, potentially exceeding the absolute maximum rating of -0.3V on the OUT pin. This can lead to immediate failure or latent degradation. Implement current-limiting resistors in series with the LED anode as a safeguard against such faults.
How reliable is the SP1208B-WW in extended outdoor environments with humidity cycling?
SOLIDLITE designs the SP1208B-WW with standard semiconductor packaging suitable for industrial use per JEDEC MSL2 standards. However, prolonged exposure to condensation or salt-laden air may compromise solder joint integrity over decades. Apply conformal coating recommended for harsh environments and perform accelerated life testing under target conditions before deployment.

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