Home > Products > MAXIM > MAX8550ETI MAX8550E MAX8550 8550E , Ntegrated DDR Power-S Upply S Olutions for Desktops, Notebooks, and Graphic Cards
MAX8550ETI MAX8550E MAX8550 8550E , Ntegrated DDR Power-S Upply S Olutions for Desktops, Notebooks, and Graphic Cards
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Product Details
| D/C | 10+ | Package | QFN | |
| Model Number | MAX8550E | Type | Drive IC | |
| Brand Name | MAXIM | Place of Origin | Taiwan, China |
Product Description
The MAX8550/MAX8551 integrate a synchronous-buck
PWM controller to generate VDDQ, a sourcing and sinking
LDO linear regulator to generate VTT, and a 10mA refer-
ence output buffer to generate VTTR. The buck controller
drives two external N-channel MOSFETs to generate out-
put voltages down to 0.7V from a 2V to 28V input with out-
put currents up to 15A. The LDO can sink or source up to
1.5A continuous and 3A peak current. Both the LDO out-
put and the 10mA reference buffer output can be made
to track the REFIN voltage. These features make the
MAX8550/MAX8551 ideally suited for DDR memory appli-
cations in desktops, notebooks, and graphic cards.
The PWM controller in the MAX8550/MAX8551 utilizes
Maxim's proprietary Quick-PWM™ architecture with pro-
grammable switching frequencies of up to 600kHz. This
control scheme handles wide input/output voltage ratios
with ease and provides 100ns response to load tran-
sients while maintaining high efficiency and a relatively
constant switching frequency. The MAX8550 offers fully
programmable UVP/OVP and skip-mode options ideal in
portable applications. Skip mode allows for improved
efficiency at lighter loads. The MAX8551, which is tar-
geted towards desktop and graphic-card applications,
does not offer the pulse-skip feature.
The VTT and VTTR outputs track to within 1% of VREFIN/ 2.
The high bandwidth of this LDO regulator allows excel-
lent transient response without the need for bulk capac-
itors, thus reducing cost and size.
The buck controller and LDO regulators are provided with
independent current limits. Adjustable lossless foldback
current limit for the buck regulator is achieved by monitor-
ing the drain-to-source voltage drop of the low-side MOS-
FET. Additionally, overvoltage and undervoltage
protection mechanisms are built in. Once the overcurrent
condition is removed, the regulator is allowed to enter
soft-start again. This helps minimize power dissipation
during a short-circuit condition. The MAX8550/MAX8551
allow flexible sequencing and standby power manage-
ment using the SHDNA, SHDNB, and STBY inputs.
Both the MAX8550 and MAX8551 are available in a
small 5mm × 5mm, 28-pin thin QFN package.
Accepts wire transfer, Western union, Paypal and Moneygram.
All items are priced each.
All items are subject to availability and passing our QA inspection.
Packaging: Safety package(Carton)
Shipping:
1. We will ship the items within 2 working days after the payment confirmed.
2. We can ship to you by UPS/DHL/TNT/EMS/FedEx/HK post/china post. Please contact us directly and we will use your preferred ways. For the Countries & Regions where EMS cannot deliver, please choose other shipping ways.
Warranty:
1.Our side always double check all the products before delivery to make sure correct.
2.All components we sell has 30 days return policy from the day of shipment, but if the damage is man-made, we will be unable to change for you.
Contact Us
- Shenzhen Visen Electronic Co., Ltd.
- Contact nameVISEN SZ Chat Now
- Address, Shenzhen, Guangdong
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MAX8556ETE MAX8556E MAX8556 8556E , 3-Line To 8-Line Decoders/Demultiplexers 20-LCCC -55 to 125
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