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ACS759xCB
Thermally Enhanced, Fully Integrated, Hall Effect-Based
Linear Current Sensor IC
With 100 μ Ω Current Conductor and Optimized Performance at 3.3 V
Thermal Characteristics may requir e derating at maximum conditions
Characteristic
Symbol
Test Conditions*
Value
Unit
Mounted on the Allegro evaluation board with
2800 mm 2 (1400 mm 2 on component side and
1400 mm 2 on opposite side) of 4 oz. copper con-
Package Thermal Resistance
R θ JA
nected to the primary leadframe and with thermal
vias connecting the copper layers. Performance
7
oC/W
is based on current flowing through the primary
leadframe and includes the power consumed by
the PCB.
*Additional thermal information available on the Allegro website
Typical Overcurrent Capabilities 1,2
Overcurrent
Characteristic
Symbol
I POC
Notes
T A = 25°C, 1s duration, 1% duty cycle
T A = 85°C, 1s duration, 1% duty cycle
T A = 150°C, 1s duration, 1% duty cycle
Rating
1200
900
600
Unit
A
A
A
1 Test
was done with Allegro evaluation board. The maximum allowed current is limited by T J (max) only.
2 For more overcurrent profiles, please see FAQ on the Allegro website, www.allegromicro.com.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4
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