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PDF SDC141 Data sheet ( Hoja de datos )

Número de pieza SDC141
Descripción Switch Hall IC
Fabricantes SDC 
Logotipo SDC Logotipo



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Switch Hall IC
Datasheet
SDC141
General Description
Features
The SDC141 is a lock-type switch hall IC. It’s composed of
Tpower reverse protection circuit, high stable voltage
regulator, hall voltage generator, a differential amplifier,
Nschmitt trigger and open collector output. Change of
Emagnetic field can be converted into digital signal. It can
be used for brushless DC three-phase motors, brushless
L DOCUMDC fans, and speed measurement occasions.
Operating voltage: 4V to 24 V
Built-in temperature compensation circuit
Built-in power reverse protection
Operating temperature: -55°C~150°C
Open collector output
20mA(MAX) output sink current
Operating speed: 0~100kHz above
PackageTO-92SSOT23-3
Applications
Three-phase brushless DC motor
Brushless DC fan
Tachometer
Speed measurement
CONFIDENTIATO-92S
SOT-23-3
SDC Figure 1. Package Type
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
1/10
www.sdc-semi.com

1 page




SDC141 pdf
Switch Hall IC
Datasheet
SDC141
Electrical Characteristics (Ta=25°C, VCC=4.5V, unless otherwise specified.)
Parameter
TSupply voltage
Symbol
V CC
Conditions
-
Min Typ Max Unit
4 - 24 V
NOutput saturation voltage
V OUT
IOUT=20mA, B>BOP
- 200 400 mV
EOutput leakage current
I OFF
VCE=30V, B<BRP
MSupply current
CUOutput rise time
DOOutput fall time
ICC1 VCC=4.5V, output open
ICC2 VCC=24V, output open
tr
RL to VCC, CL to GND
RL=820Ω, CL=20 pF
tf
RL to VCC, CL to GND
RL=820Ω, CL=20 pF
Table 4. Electrical Characteristics
IALMagnetic Characteristics (VCC=4.5V,unless otherwise specified.)
Parameter
Symbol
Conditions
Min
NTOperating point
Ta=120°C
15
B OP
Ta=25°C
10
IDERelease point
Ta=120°C
-110
B RP
Ta=25°C
-90
FHysteresis
Ta=120°C
120
BH
Ta=25°C
90
- 0.1 10 uA
- 2.5 5 mA
- 4.0 6 mA
- 0.25 1.5 us
- 0.50 1.5 us
Typ Max
65 110
50 90
-65 -15
-50 -10
130 140
100 110
Unit
GS
GS
GS
GS
GS
GS
N Table 5. Magnetic Characteristics
CONote: when S pole of magnetic is faced to the marked side of IC, the magnetic field is positive.
SDC
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
5/10
www.sdc-semi.com

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