ATS636LSETN-T Allegro Microsystems Inc, ATS636LSETN-T Datasheet - Page 13

• Manufacturer Part Number: ATS636LSETN-T
• Description: IC,HALL-EFFECT SWITCH,SINGLE-ENDED,SIP,4PIN,PLASTIC
• Manufacturer: Allegro Microsystems Inc
• Type: Linear - Programmabler

Specifications of ATS636LSETN-T

• Rohs Compliant: YES
• Sensing Range: 0.25mm ~ 6mm
• Voltage - Supply: 4.2 V ~ 24 V
• Current - Supply: 5.5mA
• Current - Output (max): 20mA
• Output Type: Digital, Open Collector
• Features: Programmable
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 4-SIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ATS635LSE and
ATS636LSE
Due to internal power consumption, the junction temperature
of the IC (junction temperature, T
environment temperature, T
operate above the maximum rated junction temperature use the
following calculations:
Where:
Where ΔT denotes the temperature rise resulting from the IC’s
power dissipation.
Typical T
Maximum Allowable Power Dissipation Calculation:
then:
Maximum V
\ P
T
T
D
J
J
I
(max) = 165°C
(max) = 165°C, if T
(max) = 15°C / 77°C/W = 195 mW at T
CC(on)
∴ΔT = V
R
V
V
165 = 150 + ΔT
P
ΔT = P
θJA
J
ΔT = P
ΔT = 15°C
ΔT = P
P
CC
P
T
CC
T
T
T
D
calculation:
D
A
D
J
J
J
CC
= V
= T
= 77°C/W
= 25°C
= 5 V
= 5.5 mA
= V
= T
= T
= V
= P
for P
D
A
D
A
A
D
D
CC
CC
CC
CC
+ ΔT
+ ΔT = 25°C + 2.0°C = 27.0°C
+ ΔT
× R
× R
× R
/ I
× I
× I
× I
× I
D
CC
(max) = 111 mW at T
θJA
θJA
θJA
CC
CC
CC
CC
= 195 mW / 5.5 mA = 35.4 V
, I
= 27.5 mW × 77°C/W = 2.0°C
(R
× R
= 5 V × 5.5 mA = 27.5 mW
A
A
CC
θJA
= 150°C
. To ensure that the device does not
θJA
= 10 mA (max) at 150°C
= 77°C/W)
J
) is higher than the ambient
A
= 150°C
Power Derating – SE Package
A
= 150°C
Programmable Back Biased Hall-Effect
Switch with TPOS Functionality
4500
4000
3500
3000
2500
2000
1500
1000
500
0
20
Power Dissipation versus Ambient Temperature
40
60
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Temperature (°C)
80
100
120
140
160
180
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