Diodes AH278 Manuel d'utilisateur télécharger pdf (Page 5)

Nov. 2009 Rev. 1. 4 BCD Semiconductor Manufacturing Limited

Data Sheet

HIGH VOLTAGE HALL EFFECT LATCH AH278

Parameter Symbol Test Condition Min Typ Max Unit

Low Supply Voltage V

=5V, I

=100mA 0.1 0.3 V

Output Saturation Voltage V

SAT

=500mA 0.5 0.8 V

Output Saturation Voltage V

SAT

=300mA 0.25 0.5 V

Output Leakage Current I

DOB

=24V

0.1 10

µA

Supply Current I

=24V, Output Open 12.5 16

Output Rise Time tr R

=820Ω, C

=20pF

3.0 10

µs

Output Fall Time tf R

=820Ω, C

=20pF

0.3 1.5

µs

Switch Time Differential ∆tR

=820Ω, C

=20pF

3.0 10

µs

Output Zener Breakdown Voltage V

60 V

=25

C, V

=24V, unless otherwise specified)

Electrical Characteristics

Parameter Symbol Grade Min Typ Max Unit

Operating Point

A10 70Gauss

B 100 Gauss

Releasing Point

A-70 -10Gauss

B -100 Gauss

Hysteresis B

HYS

80 Gauss

Magnetic Characteristics

=25

(V)

High

Low

HYS

SAT

Off-state

On-state

Turn off Turn on

Magnetic Flux Density (Gauss)

1 2 3 4 5 6 7 8 9 10 11

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Diodes AH278 Manuel d'utilisateur Page 5

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