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PDF 3175 Data sheet ( Hoja de datos )
| Número de pieza | 3175 | |
| Descripción | HALL-EFFECT LATCHES | |
| Fabricantes | Allegro MicroSystems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 3175 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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3175 AND
3177
V
CC
12
3
HALL-EFFECT LATCHES
These Hall-effect latches are temperature-stable and stress-resistant
sensors especially suited for electronic commutation in brushless dc
motors using multipole ring magnets. Each device includes a voltage
regulator, quadratic Hall voltage generator, temperature compensation
circuit, signal amplifier, Schmitt trigger, and an open-collector output on
a single silicon chip. The on-board regulator permits operation with
supply voltages of 4.5 volts to 18 volts. The switch output can sink
10 mA. With suitable output pull up, they can be used directly with
bipolar or MOS logic circuits.
The three package styles available provide a magnetically optimized
package for most applications. Suffix ‘LT’ is a surface-mount SOT-89/
TO-243AA package; suffixes ‘U’ and ‘UA’ feature wire leads for
through-hole mounting.
Dwg. PH-003A
Pinning is shown viewed from branded side.
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, VCC . . . . . . . . . . . . . 18 V
Reverse Battery Voltage, VRCC . . . . -18 V
Magnetic Flux Density, B . . . . Unlimited
Output OFF Voltage, VOUT . . . . . . . . 18 V
Continuous Output Current, IOUT . 15 mA
Operating Temperature Range,
TA . . . . . . . . . . . . . . . -20°C to +85°C
Storage Temperature Range,
TS . . . . . . . . . . . . . . . -65°C to +150°C
FEATURES
I Symmetrical Response
I 4.5 V to 18 V Operation
I Open-Collector Output
I Reverse Battery Protection
I Activate With Small, Commercially Available Permanent Magnets
I Solid-State Reliability
I Small Size
I Superior Temperature Stability
I Resistant to Physical Stress
Always order by complete part number, e.g., UGN3175LT .
See Magnetic Characteristics table for differences between devices.
1 page  
3175 AND 3177
HALL-EFFECT
LATCHES
PACKAGE DESIGNATOR ‘U’
Dimensions in Inches
(controlling dimensions)
Dimensions in Millimeters
(for reference only)
0.183
0.178
0.063
0.059
4.65
4.52
1.60
1.50
0.181
0.176
0.086 1 2 3
MAX
0.600
0.560
SEE NOTE
0.016
45°
0.018
0.015
0.050
0.100
Dwg. MH-003D in
4.60
4.47
2.18 1 2 3
MAX
15.24
14.23
SEE NOTE
0.41
45°
0.46
0.38
1.27
2.54
Dwg. MH-003D mm
Devices in the ‘U’ package are
NOT RECOMMENDED FOR NEW DESIGN
NOTES: 1. Tolerances on package height and width represent allowable mold offsets. Dimensions given are
measured at the widest point (parting line).
2. Exact body and lead configuration at vendor’s option within limits shown.
3. Height does not include mold gate flash.
4. Recommended minimum PWB hole diameter to clear transition area is 0.035" (0.89 mm).
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet 3175.PDF ] | |
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