Anterwell Technology Ltd.
Anterwell Technology Ltd. Large Original stock of IC Electronics Components, Transistors, Diodes etc. High Quality, Reasonable Price, Fast Delivery.
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Features
■ Complete interface between LNB and I²C bus
■ Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.5 A)
■ Selectable output current limit by external resistor
■ Compliant with main satellite receivers output voltage specification
■ Auxiliary modulation input (EXTM pin) facilitates DiSEqC™ 1.X encoding
■ Accurate built-in 22 kHz tone generator suits widely accepted standards
■ Low-drop post regulator and high efficiency step-up PWM with integrated power NMOS allow low power losses
■ Overload and over-temperature internal protections with I²C diagnostic bits
■ LNB short circuit dynamic protection
■ ± 4 kV ESD tolerant on output power pins
Description
Intended for analog and digital satellite receivers, the LNBH23L is a monolithic voltage regulator and interface IC, assembled in QFN32 5 x 5 specifically designed to provide the 13 / 18 V power supply and the 22 kHz tone signalling to the LNB down-converter in the antenna dish or to the multi-switch box. In this application field, it offers a complete solution with extremely low component count, low power dissipation together with simple design and I²C standard interfacing.
STOCK LIST
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| LM2940S-12 | 3000 | NSC | 14+ | TO-263 |
| CY7C433-20JC | 500 | CY | 0846+ | PLCC32 |
| CY7C68013A-56PVXI | 2650 | CYPRESS | 15+ | SSOP-56 |
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