ZEN056V075A48LS
ZEN056V075A48LS Datasheet
PolyZen
| Part | Datasheet |
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ZEN056V075A48LS |
ZEN056V075A48LS (pdf) |
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| PolyZen Polymer Enhanced Zener Diode Micro-Assemblies PRODUCT ZEN056V075A48LS Specification Status Released TE PolyZen devices are polymer enhanced, precision Zener diode micro-assemblies. They offer resettable protection against multi-Watt fault events without the need for multi-Watt heat sinks. The Zener diode used for voltage clamping in a PolyZen micro-assembly was selected due to its relatively flat voltage vs current response. This helps improve output voltage clamping, even when input voltage is high and diode currents are large. An advanced feature of the PolyZen micro-assembly is that the Zener diode is thermally coupled to a resistively non-linear, polymer PTC positive temperature coefficient layer. This PTC layer is fully integrated into the device, and is electrically in series between VIN and the diode clamped VOUT. This advanced PTC layer responds to either extended diode heating or overcurrent events by transitioning from a low to high resistance state, also known as ”tripping”. A tripped PTC will limit current and generate voltage drop. It helps to protect both the Zener diode and the follow on electronics and effectively increases the diode’s power handling capability. • Analog nature of trip events minimizes upstream inductive spikes • Minimal power dissipation requirements • Single component placement TARGET APPLICATIONS • DC power port protection in portable electronics • DC power port protection for systems using barrel jacks for power input • Internal overvoltage & transient suppression • DC output voltage regulation TYPICAL APPLICATION BLOCK DIAGRAM Power Supply External or Internal PolyZen Protected Electronics GND 2 VIN 1 PolyZen Device VOUT 3 Regulated Output RLoad Protected downstream electronics PolyZen Polymer Enhanced Zener Diode Micro-Assemblies CONFIGURATION INFORMATION Pin Configuration Top View Pad Dimensions PRODUCT ZEN056V075A48LS VIN 1 2 GND 3 VOUT PIN DESCRIPTION Pin Number Pin Name VOUT Pin Function VIN. Protected input to Zener diode. GND VOUT. Zener regulated voltage output BLOCK DIAGRAM Polymer PTC VIN Zener Diode VOUT DEFINITION of TERMS |
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