ATS278 Просмотр технического описания (PDF) - Anachip Corporation

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производитель

ATS278

Two Phase Hall Effect Latch With FG Output

Anachip Corporation 

Two Phase Hall Effect Latch With FG Output

ATS278

„ Absolute Maximum Ratings

Characteristics

Supply voltage

Reverse VCC Polarity Voltage

Magnetic flux density

Continuous

Output “on” current

Hold

Peak (Start Up)

Sink current of FG

Operating temperature range

Storage temperature range

Package Power Dissipation

Symbol

VCC

VRCC

B

Ic

IFG

Ta

Ts

PD

„ Electrical Characteristics ( Ta=+25°C )

Values

Unit

20

V

-20

V

Unlimited

0.4

0.5

A

0.7

40

mA

-20~+85

°C

-65~+150

°C

550

mW

Characteristic

Symbol

Conditions

Min Typ Max Unit

Supply Voltage

VCC

3.5 ---- 20

V

Output Saturation Voltage

Vce(sat) Vcc=14V, IL=300mA

---- 300 800 mV

Output Zener Breakdown

Vz*

46

V

Output Leakage Current

Icex

Vce=14V, Vcc=14V

---- <0.1 10 µA

Supply Current

Icc

Vcc=20V, Output Open

---- 16 25 mA

Output Rise Time

tr

Vcc=14V, RL=820Ω,

CL=20pF (Test Circuit)

---- 3.0 10 µs

Output Falling Time

tf

Vcc=14V, RL=820Ω,

CL=20pF (Test Circuit)

---- 0.3 1.5

µs

Switch Time Differential

∆t

Vcc=14V, RL=820Ω,

CL=20pF (Test Circuit)

---- 3.0 10 µs

FG saturation voltage

VFG Vcc=14V, IL=20 mA

---- 200 700 mV

*Note: The Vz may vary with the inductance/resistance of DC Fan. In order to reduce the risk of dynamic operation, the capacitor/

resistor is recommended to add below the DO/DOB as Application Circuit (on page 1).

278

RL1 = RL2 = 820 Ω

CL1 = CL2 = 20 pf

1 2345

14V

RL1

RL2

DO

DOB

CL1

CL2

Anachip Corp.

www.anachip.com.tw

( Test circuit )

3/6

Rev. 1.0 Oct 4, 2005

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