AH337-WL-7 [DIODES]
SINGLE PHASE HALL EFFECT SWITCH; 单相霍尔效应开关型号: | AH337-WL-7 |
厂家: | DIODES INCORPORATED |
描述: | SINGLE PHASE HALL EFFECT SWITCH |
文件: | 总9页 (文件大小:158K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
AH337
SINGLE PHASE HALL EFFECT SWITCH
Description
Pin Assignments
(Top View)
AH337 is an unipolar Hall-Effect sensor for contactless
switching applications. The device includes an on-chip Hall
voltage generator for magnetic sensing, an amplifier that
amplifies the Hall voltage, a Schmitt trigger to provide
switching hysteresis for noise rejection, and an open-collector
output. The band-gap regulator allows a wide operating
voltage range.
3.
2.
OUT
GND
Vdd
1.
SIP-3L
(Top View)
When the magnetic flux density (B) is larger than operate
point (Bop), output is switched on (OUT pin is pulled low).
The output state is held on until a magnetic flux density falls
below Brp. When B is less than Brp, the output is switched
off.
3. OUT
1. Vdd
GND 2.
SC59
The AH337 is available in SIP-3L and SC59 packages.
Applications
Features
•
•
•
•
•
VCD/DVD Loader, CD/DVD ROM
Cover Detector
Speed Measurement
Home Appliances
•
•
•
•
•
•
•
Unipolar Hall-Effect sensor
4.2V to 28V DC operating voltage
Temperature compensation
Home Safety
Open drain pre-driver
25mA maximum output sink current
Operating temperature: -40°C to +125°C
SIP-3L and SC59 packages
(SC59 is commonly known as SOT23 in Asia)
Green Molding Compound (No Br, Sb) (Note 1)
•
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
Typical Application Circuit
4.2V ~ 28 V
R
L
Vdd
AH337
Output
GND
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© Diodes Incorporated
AH337
Document number: DS31050 Rev. 9 - 2
AH337
SINGLE PHASE HALL EFFECT SWITCH
Pin Descriptions
Pin Name
Vdd
P/I/O
Pin #
Description
Positive Power Supply
Ground
P
P
O
1
2
3
GND
OUT
Output Pin
Functional Block Diagram
Vdd
1
Regulator
3 OUT
Hall
plate
Amp
2
GND
Absolute Maximum Ratings (TA = 25°C)
Symbol
Characteristics
Values
Unit
Vdd
B
VDS
Id
TS
TJ(MAX)
Supply Voltage
Magnetic Flux Density
Output OFF Voltage
Output “ON” Current
Storage Temperature Range
Maximum Junction Temperature
30
V
Unlimited
30
V
mA
°C
°C
Continuous
25
-65~+150
150
mW
SIP-3L
SC59
550
PD
Package Power Dissipation
230
mW
Recommended Operating Conditions
Max
Symbol
Parameter
Conditions
Min
Unit
Vdd
TA
Supply Voltage (Note 2)
Operating Ambient Temperature
Operating
Operating
4.2
-40
28
125
V
°C
Notes: 2. The output of IC will be switched after the supply voltage is over 4.2V, but the magnetic characteristics won't be normal until the
supply is over 4.5V.
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© Diodes Incorporated
AH337
Document number: DS31050 Rev. 9 - 2
AH337
SINGLE PHASE HALL EFFECT SWITCH
Electrical Characteristics (TA = 25°C, Vdd = 12V)
Symbol
Characteristic
Test Conditions
Min
Typ.
Max
Unit
VDS (SAT)
Ioff
Output Saturation Voltage
Output Leakage Current
Supply Current
Iout = 10mA, B > Bop
B < Brp
Output Open
-
-
-
300
< 0.1
2
400
10
4
mV
uA
mA
Idd
Magnetic Characteristics (TA = 25°C, Vdd = 4.5V to 28V, Note 3)
(1mT = 10 Gauss)
Symbol
Parameter
Min
Typ.
Max
Unit
Bops(south pole to brand side) Operation Point
90
30
-
120
60
60
150
90
-
Gauss
Gauss
Gauss
Brps(south pole to brand side)
Bhy(|Bopx|-|Brpx|)
Release Point
Hysteresis
Notes: 3. Magnetic characteristics may vary with supply voltage, operating temperature and after soldering.
Operating Characteristics
Output
S
S
Vdd
( off -state )
Marking side
Bhy
Turn on
Turn off
Marking side
N
N
( on-state )
VSAT
0
Brp
Bop
(SIP-3L)
(SC59)
( Magnetic flux density B )
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© Diodes Incorporated
AH337
Document number: DS31050 Rev. 9 - 2
AH337
SINGLE PHASE HALL EFFECT SWITCH
Performance Characteristics
(1) SIP-3L
25
50
60
70
80
85
286
130
88
90
264
135
66
95
242
140
44
100
220
150
0
TA (°C)
PD (mW)
TA (°C)
550
105
198
440
110
176
396
115
154
352
120
132
308
125
110
PD(mW)
P D (m W )
P ow er D issipation C urve
600
500
400
300
200
100
0
-40
25
50
75
100
125
150
TA (°C )
(2) SC59 (commonly known as SOT23 in Asia)
25
50
60
70
80
85
90
100
110
120
55
130
140
150
TA (°C)
230
184
166
147
129
120
110
92
74
37
18
0
PD (mW)
P
D
(m W )
Power D issipation C urve
300
200
100
0
0
-40
25
50
75
100
125
150
T
(°C)
A
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© Diodes Incorporated
AH337
Document number: DS31050 Rev. 9 - 2
AH337
SINGLE PHASE HALL EFFECT SWITCH
Ordering Information
X X - X
AH337 -
Lead Free
Packing
Package
P : SIP-3L
W : SC59
A : Ammo Box (Note 7)
B : Bulk (Note 8)
7 : Tape & Reel
L : Lead Free
G : Green (Note 4)
Bulk
Part
Quantity Number
Suffix
7” Tape and Reel
Part
Number Quantity Number
Ammo Box
Package Packaging
Code (Note 5, 6)
Part
Device
Quantity
Suffix
NA
NA
NA
NA
-7
Suffix
-A
AH337-PL-A
AH337-PL-B
AH337-PG-A
AH337-PG-B
AH337-WL-7
AH337-WG-7
P
P
SIP-3L
SIP-3L
SIP-3L
SIP-3L
SC59
NA
1000
NA
NA
-B
NA
4000/Box
NA
NA
NA
NA
-A
P
NA
-B
4000/Box
NA
P
1000
NA
NA
NA
NA
NA
W
W
NA
NA
3000/Tape & Reel
3000/Tape & Reel
NA
SC59
NA
-7
NA
Notes:
4. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
5. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
6. Reverse taping as shown on Diodes Inc. Surface Mount (SMD) Packaging document AP02007, which can be found on our
website http://www.diodes.com/datasheets/ap02007.pdf.
7. Ammo Box is for SIP-3L Spread Lead.
8. Bulk is for SIP-3L Straight Lead.
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© Diodes Incorporated
AH337
Document number: DS31050 Rev. 9 - 2
AH337
SINGLE PHASE HALL EFFECT SWITCH
Marking Information
(1) SIP-3L
(Top View)
Y : Year : 0~9
WW : Week : 01~52, "52" represents
Part Number
337
Y WW X
52 and 53 week
X : Internal Code : A~Z : Green
a~z : Lead Free
(2) SC59 (Commonly known as SOT23 in Asia)
(Top View)
XX : Identification code
Y : Year 0~9
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
XX Y W X
X : A~Z : Green
a~z : Lead Free
Part Number
Package
Identification Code
AH337
SC59
P1
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© Diodes Incorporated
AH337
Document number: DS31050 Rev. 9 - 2
AH337
SINGLE PHASE HALL EFFECT SWITCH
Package Outline Dimensions (All Dimensions in mm)
(1) Package Type: SIP-3L for Bulk pack
0.51mm
NOM
2.00 +/-
0.10mm
1.15 +/-
0.10mm
BRANDED
SURFACE
1
2
3
Active Area Depth
Sensor Location
Package Dimension
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© Diodes Incorporated
AH337
Document number: DS31050 Rev. 9 - 2
AH337
SINGLE PHASE HALL EFFECT SWITCH
Package Outline Dimensions (Continued)
(2) Package Type: SIP-3L for Ammo pack
(3) SC59 (Commonly known as SOT23 in Asia)
0.35/0.50
TOP VIEW
2.70/
3.00
1.90
2.90/3.10
1.00/
1.30
0.10/0.20
0.013/0.10
0.95
0.35/0.55
O
O
0 /8
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© Diodes Incorporated
AH337
Document number: DS31050 Rev. 9 - 2
AH337
SINGLE PHASE HALL EFFECT SWITCH
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS
DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other
changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability
arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any
license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products described
herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies
whose products are represented on Diodes Incorporated website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized
sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall
indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names
and markings noted herein may also be covered by one or more United States, international or foreign trademarks.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without
the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided
in the labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected
to cause the failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or
systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements
concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems,
notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further,
Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes
Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2010, Diodes Incorporated
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© Diodes Incorporated
AH337
Document number: DS31050 Rev. 9 - 2
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