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A1106 Schematic ( PDF Datasheet ) - Allegro MicroSystems

Teilenummer A1106
Beschreibung (A1101 - A1106) Continuous-Time Switch Family
Hersteller Allegro MicroSystems
Logo Allegro MicroSystems Logo 




Gesamt 13 Seiten
A1106 Datasheet, Funktion
A1101, A1102, A1103, A1104, and A1106
Continuous-Time Switch Family
FEATURES AND BENEFITS
• AEC-Q100 automotive qualified
• Continuous-time operation
□Fast power-on time
□Low noise
• Stable operation over full operating temperature range
• Reverse battery protection
• Solid-state reliability
• Factory-programmed at end-of-line for optimum
performance
• Robust EMC performance
• High ESD rating
• Regulator stability without a bypass capacitor
Packages:
3-pin SOT23W (suffix LH)
3-pin SIP (suffix UA)
LH: A1101, A1102,
A1103, A1104, and
A1106
Not to scale
UA: A1101,
A1102, A1103,
and A1104
UA: A1106
DESCRIPTION
The AllegroA1101-A1104 and A1106 Hall-effect switches
are next generation replacements for the popular Allegro
312x and 314x lines of unipolar switches. The A110x family,
produced with BiCMOS technology, consists of devices that
feature fast power-on time and low-noise operation. Device
programming is performed after packaging, to ensure increased
switchpoint accuracy by eliminating offsets that can be induced
by package stress. Unique Hall element geometries and low-
offset amplifiers help to minimize noise and to reduce the
residual offset voltage normally caused by device overmolding,
temperature excursions, and thermal stress.
The A1101-A1104 and A1106 Hall-effect switches include
the following on a single silicon chip: voltage regulator, Hall-
voltage generator, small-signal amplifier, Schmitt trigger, and
NMOS output transistor. The integrated voltage regulator
permits operation from 3.8 to 24 V. The extensive on-board
protection circuitry makes possible a ±30 V absolute maximum
voltage rating for superior protection in automotive and
industrial motor commutation applications, without adding
external components. All devices in the family are identical
except for magnetic switchpoint levels.
The small geometries of the BiCMOS process allow these
devices to be provided in ultrasmall packages. The package
styles available provide magnetically optimized solutions for
most applications. Package LH is an SOT23W, a miniature low-
profile surface-mount package, while package UAis a three-lead
ultramini SIP for through-hole mounting. Each package is lead
(Pb) free, with 100% matte-tin-plated leadframes.
VCC
A1101-DS, Rev. 16
Regulator
To all subcircuits
Amp
VOUT
Gain
Offset
Trim
Control
Functional Block Diagram
GND






A1106 Datasheet, Funktion
A1101, A1102, A1103,
A1104, and A1106
Continuous-Time Switch Family
CHARACTERISTIC DATA
Supply Current (On) versus Ambient Temperature
(A1101/02/03/04/06)
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
–50
VCC (V)
24
3.8
0 50 100 150
TA (°C)
Supply Current (Off) versus Ambient Temperature
(A1101/02/03/04/06)
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
–50
VCC (V)
24
3.8
0 50 100 150
TA (°C)
Output Voltage (On) versus Ambient Temperature
(A1101/02/03/04/06)
400
350
300
250 VCC (V)
200 24
3.8
150
100
50
0
–50
0 50 100
TA (°C)
150
Supply Current (On) versus Supply Voltage
(A1101/02/03/04/06)
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
0
TA (°C)
–40
25
150
5 10 15 20 25
VCC (V)
Supply Current (Off) versus Supply Voltage
(A1101/02/03/04/06)
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
0
TA (°C)
–40
25
150
5 10 15 20 25
VCC (V)
Output Voltage (On) versus Supply Voltage
(A1101/02/03/04/06)
400
350
300
250 TA (°C)
–40
200 25
150 150
100
50
0
0 5 10 15 20 25
VCC (V)
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
6

6 Page









A1106 pdf, datenblatt
A1101, A1102, A1103,
A1104, and A1106
Continuous-Time Switch Family
For Reference Only – Not for Tooling Use
(Reference DWG-9013)
Dimensions in millimeters – NOT TO SCALE
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
45°
3.02
+0.08
–0.05
1.44 E
4.09
+0.08
–0.05
E
2.04
B
1.52 ±0.05
C
2 X 10°
E
Branded
Face
Mold Ejector
Pin Indent
45°
1.02 MAX
12 3
A
0.79 REF
0.43
+0.05
–0.07
0.41
+0.03
–0.06
14.99 ±0.25
1.27 NOM
NNN
1
D Standard Branding Reference View
= Supplier emblem
N = Last three digits of device part number
Figure 5: Package UA, 3-Pin SIP
(A1106)
A Dambar removal protrusion (6X)
B Gate and tie bar burr area
C Active Area Depth, 0.50 mm REF
D Branding scale and appearance at supplier discretion
E Hall element, not to scale
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
12

12 Page





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