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MAX8521ETP+T

Laser Diode Driver, Thermoelectric Cooler, 3V to 5.5V, TQFN-20

MAXIM INTEGRATED PRODUCTS MAX8521ETP+T
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製造商產品編號:
MAX8521ETP+T
訂購代碼:
2516977
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產品總覽

The MAX8521ETP+T is a smallest TEC power driver for optical modules in 20 pin TQFN package. It is designed to drive thermo electric coolers (TECs) in space constrained optical modules. It delivers ±1.5A output current and control the TEC current to eliminate harmful current surges. On-chip FETs minimize external components and high switching frequency reduces size of external components. It operates from a single supply and bias TEC between outputs of two synchronous buck regulators. This operation allows for temperature control without 'dead zones' or other nonlinearities at low current. This arrangement ensures that the control system does not hunt when set-point is very close to natural operating point, requiring small amount of heating or cooling. An analogue control signal precisely sets TEC current.
  • Supply voltage range is 3V to 5.5V
  • Operating temperature range from -40°C to +85°C
  • Low profile design, on-chip power MOSFETs
  • High efficiency switch mode design
  • Ripple cancellation for low noise, ITEC monitors TEC current
  • Direct current control prevents TEC current surges
  • 5% accurate adjustable heating/cooling current limits
  • 2% accurate TEC voltage limit, 1% accurate voltage reference
  • No dead zone or hunting at low output current
  • Switching frequency up to 1MHz, synchronization

應用

Power Management

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

產品訊息

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Thermoelectric Cooler

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TQFN

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20Pins

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3V

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5.5V

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-

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MSL 1 - Unlimited
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技術文件 (2)

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Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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10+ NT$344.09
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2500+ NT$334.04
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