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OZ953S
OZ953S - Brand New O2MICRO IC Chips
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
GENERAL DESCRIPTION
The OZ965 is a single chip, high-efficiency, Cold Cathode Fluorescent Lamp
(CCFL) backlight
inverter controller whose primary function is to convert +5 volt DC power to
approximately 600
VAC. Additionally, the OZ965 performs the lamp dimming function with an analog
voltage or low
frequency Pulse Width Modulation (PWM) control.
Operating Principle:
The CCFL tube, transformer secondary, and capacitor form a resonant circuit.
The OZ965 utilizes the low energy loss resonate mode principle to deliver a
very high efficiency inverter. The OZ965 drives the transformer primary with a
variable pulse width voltage directly from the +5v supply. The resultant
primary drive current is alternately reversing with zero-voltage-switching.
Because of the transformer leakage inductance and the secondary resonant
circuit, the secondary voltage and current are approximately sinusoidal. This
sinusoid results in very little harmonic emi/rfi emissions.
The OZ965 operates at a single, constant frequency in a PWM mode. Typical
operating frequency ranges between 30 KHz to 200 KHz, dependent upon the CCFL
and transformer characteristics. Intelligent open-lamp protection provides
design flexibility so various transformer models/manufacturers may be used.
Its high driving capability allows the OZ965 to drive high power MOSFETs.The
single stage design results in a low cost, reliable transformer without
expensive, less reliable secondary fold-back treatment. The transformer does
not require a more expensive center tapped primary.
The OZ965 is available in 16-pin SOP and TSSOP packages. It is specified over
the commercial temperature range of 0°C to +70°C, and the industrial
temperature range of -40°C to +85°C.
FEATURES
• Single-stage power conversion, requiring only a +5 V voltage source
• Reduces the number of components and board size by 30% compared with
onventional design
• Supports both floating and grounded secondary designs
• 90% efficiency vs. typical 75% efficiency of conventional designs
• Internal open-lamp and short-circuit protections
• Wide dimming range
• Supports multiple CCFLs
• Simple and reliable 2-winding transformer design
• Eliminates leakage current when used in a floating secondary design
• Constant-frequency design eliminates interference with LCDs
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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