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PDF AH266 Data sheet ( Hoja de datos )

Número de pieza AH266
Descripción High Voltage Hall Effect Latch
Fabricantes Anachip 
Logotipo Anachip Logotipo



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High Voltage Hall Effect Latch
AH266
Features
General Description
- On-chip Hall plate
- Operating voltage: 4V~28V
- Output current: 400mA(Continuous, 25oC)
- Reverse protection diode only for chip reverse
power connecting (Note)
- Output protection Zener breakdown Vz=62V(Typ)
- Package: SIP-4L
(Note)
Protection diode only exists at power pin(1,4) output, not
including pin (2,3).
Application
- Dual-coil Brush-less DC Motor
- Dual-coil Brush-less DC Fan
- Revolution Counting
- Speed Measurement
AH266 is an integrated Hall sensor with output
drivers designed for electronic commutation of
brush-less DC motor applications. The device
includes an on-chip Hall voltage generator for
magnetic sensing, a comparator that amplifies the
Hall voltage, and a Schmitt trigger to provide
switching hysteresis for noise rejection, and
complementary darlington open-collector drivers for
sinking large current loads. An internal bandgap
regulator is used to provide temperature
compensated supply voltage for internal circuits and
allows a wide operating supply range.
If a magnetic flux density (B) is larger than operate
point (Bop), DO turn on (low) and DOB turn off
(high). The outputs state is latched prior to reach
release point (Brp). if B< Brp, DO turn off and DOB
turn on. ATS266 is rated for operation over
temperature range from -20oC to 85 oC and voltage
range from 4V to 28V. The devices are available in
low cost die forms or rugged 4 pin SIP packages.
Pin Assignment
Pin Configurationwww.DataSheet4U.com
4. GND
3. DOB
2. DO
1. VCC
Ordering Information
Name
VCC
DO
DOB
GND
Description
Positive Power Supply
Output Pin
Output Pin
Ground
AH266 X - X X X - X
Wafer Body
Blank or
A~Z : if necessary
to specify
Package
P: SIP-4L
Lead
L : Lead Free
Blank: Normal
Packing
Blank : Tube
A : Taping
Magnetic
Characteristics
A or B
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. 0.1 Mar 25, 2004
1/6

1 page




AH266 pdf
High Voltage Hall Effect Latch
AH266
Operation Characteristics
S
Marking side
DO
High
Vcc
Vd
Bhy
N
( SIP4 )
Low
Vsat
N Brp 0 Bop
( Magnetic flux density )
S
Marking Information
Part Number
( Front View )
266
X XX X X
Blank: normal
L: Lead Free Package
ID Code: A ~ Z
Nth week: 01~52
Year: "1" = 2001
"2" = 2002
Anachip Corp.
www.anachip.com.tw
Rev 0.1 Mar 25, 2004
5/6

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