ATS278
Two Phase Hall Effect Latch With FG Output
Absolute Maximum Ratings
Characteristics
Supply voltage
Reverse V
CC
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
V
CC
V
RCC
B
Ic
I
FG
Ta
Ts
PD
Values
20
-20
Unlimited
0.4
0.5
0.7
40
-20~+85
-65~+150
550
A
mA
°C
°C
mW
Unit
V
V
Electrical Characteristics
( Ta=+25°C )
Characteristic
Supply Voltage
Output Saturation Voltage
Output Zener Breakdown
Output Leakage Current
Supply Current
Output Rise Time
Output Falling Time
Switch Time Differential
FG saturation voltage
Symbol
VCC
Vce(sat)
Vz*
Icex
Icc
tr
tf
∆t
Conditions
Vcc=14V, IL=300mA
Vce=14V, Vcc=14V
Vcc=20V, Output Open
Vcc=14V, RL=820Ω,
CL=20pF (Test Circuit)
Vcc=14V, RL=820Ω,
CL=20pF (Test Circuit)
Vcc=14V, RL=820Ω,
CL=20pF (Test Circuit)
Vcc=14V, IL=20 mA
Min
3.5
----
----
----
----
----
----
----
Typ
----
300
46
<0.1
16
3.0
0.3
3.0
200
Max
20
800
10
25
10
1.5
10
700
Unit
V
mV
V
µA
mA
µs
µs
µs
mV
V
FG
*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
1
2
3
4
5
R
L1
=
R
L2
=
820
Ω
C
L1
=
C
L2
=
20 pf
14V
R
L1
R
L2
C
L1
C
L2
DO
DOB
( Test circuit )
Anachip Corp.
www.anachip.com.tw
3/6
Rev. 1.0 Oct 4, 2005
ANACHIP [ ANACHIP CORP ]
