Unisonic Technologies UH277
UH277 is a Latch-Type Hall Effect sensor with built-in complementary output drivers. It’s designed with internal temperature compensation circuit and built-in protection diode prevent reverse power fault. The application is aimed for brush-less DC Fan The UH277 Outputs operate as the Hysteresis Characteristics.DESCRIPTION
The UTC The Outputs alternately ON and OFF when either the magnetic flux density larger than threshold BOP or the magnetic flux density lower than BRP.●
FEATURES
* Widen Power Supply range from 3V ~ 20V. * On-chip Hall sensor with excellent hysteresis. * Open Collector outputs had the sinking capability up to 300mA. * Output Clamping Diodes reduce the peak output voltages during switching. * Build-in reverse protection diode.● ORDERING INFORMATION Ordering Number UH277G-G04-K Package SIP-4 Packing Bulk
● MARKING Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 5 QW-R118-003.G UH277
● PIN
DESCRIPTION
PIN NO. PIN NAME 1 VCC 2 DO 3 DOB 4 VSS P/I/O P O O PDESCRIPTION
Positive Power Supply Output Pin Output Pin Ground● BLOCK DIAGRAM 1 VCC LINEAR INTEGRATED CIRCUIT DO 2 REG. Hall Sensor DOB 3
● SENSOR LOCATIONS VSS 4 UNISONIC TECHNOLOGIES CO., LTD 2 of 5 QW-R118-003.G UH277 LINEAR INTEGRATED CIRCUIT
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ABSOLUTE MAXIMUM RATINGS
(TA=25°C, unless otherwise specified) PARAMETE...