AH278 integrated Hall sensor with output driver designed electronic co
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Product Brief HIGH VOLTAGE HALL EFFECT LATCH Description
AH278 integrated Hall sensor with output driver designed electronic commutation brushless motor applications. device includes on-chip Hall sensor magnetic sensing, amplifier that amplifies Hall voltage, Schmitt trigger provide switching hysteresis noise rejection complementary open-collector drivers sinking large load current. also includes internal band-gap regulator which used provide bias voltage internal circuits allows wide operating supply voltage ranges. Placing device variable magnetic field, magnetic flux density larger than threshold BOP, will turned (on) will turned high (off). This output state held until magnetic flux density reverses falls below BRP, then causes turned high (off) turned (on).
AH278 Parametric Table
Supply Current (mA) Output Saturation Voltage (24V, 300mA) Hysteresis (Gauss) Output Leakage Current (µA) Package 12.5 0.25 TO-94
Features
On-Chip Hall Sensor Supply Voltage 500mA (avg) Output Sink Current Build Protection Diode Reverse Power Connecting -20oC 85oC Operating Temperature Profile TO-94 (SIP-4L) Package Build Over Temperature Protection Function Rating: 300V(Machine Model)
Benefits
Good High Temperature Performance With Over Temperature Protection (OTP) function Very Saturation Voltage Complementary Output Optimization Solution: Higher Current High Voltage(24V) Temperature (85oC)
Applications
12V/24V Dual-Coil Brushless Motor/Fan Power Supply Switchboard Communications Facilities Industrial Equipment
Additional Available Materials
Samples Data Sheet Reliability Report Report
Feb. 2007
Semiconductor Manufacturing Limited
Product Brief PHASE HALL EFFECT LATCH WITH OUTPUT Configuration AH278
Package (TO-94)
Ordering Information Example
Package TO-94 Temperature Range Part Number AH278Z4-AE1 AH278Z4-BE1 Marking AH278Z4-E1 AH278Z4-E1 Packing Type Bulk Bulk
Detailed information please refer relevant datasheet.
Sales Office:
30920 Huntwood Ave. Hayward, 94544, +1-510-324-2988 +1-510-324-2788 Taiwan 298-1 Guang Road, Nei-Hu District, Taipei, Taiwan 886-2-2656-2808 886-2-2656-2806 Shanghai Zone, Shan Road, Shanghai 200233, China 86-21-6495 9539 86-21-6485 9673 Shenzhen Room Noble Center, No.1006, Fuzhong Road, Futian District, Shenzhen 518026, China 86-755-8826 7951 86-755-8826 7865
Feb. 2007
Semiconductor Manufacturing Limited
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