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The INA128 and INA129 are low power, generalpurpose instrumentation amplifiers offering excellentaccuracy. The versatile 3-op amp design and small sizemake them ideal for a wide range of applications.Current-feedback input circuitry provides widebandwidth even at high gain (200kHz at G = 100).
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The ZXLD1362 is a continuous mode inductive step-down converter, designed fordriving single or multiple series connectedLEDs efficiently from a voltage source higherthan the LED voltage.

Datasheet here<--

White LED Driver With Digital and PWM Brightness Control
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The L165 is a monolithic integrated circuit inPentawattpackage, intended for use as poweroperational amplifier in a wide range of applica-tions, including servo amplifiers and power sup-plies. The high gain and high output powercapability provide superiore performance whereveran operational amplifier/power booster combina-tion is required.
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Here are the dimensions for smd marking codes

package dimensions
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