A2550KLPTR-T Allegro Microsystems Inc, A2550KLPTR-T Datasheet - Page 5

• Manufacturer Part Number: A2550KLPTR-T
• Description: AUTO RELAY DRIVER WITH 5V REGULATOR
• Manufacturer: Allegro Microsystems Inc

Specifications of A2550KLPTR-T

• Rohs Compliant: YES
• Applications: Automotive, Relay Driver
• Number Of Outputs: 3
• Voltage - Supply: 7 V ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1182-2

ELECTRICAL CHARACTERISTICS, continued –40°C ≤ T
Watchdog and Power-On Reset
NPOR Active Voltage
NPOR Inactive Leakage Current
CWD and CPOR Trip Voltage
CPOR Charge Current
Power-On Reset Cycle Time
CWD Charge Current
Thermal Protection
Thermal Shut Down Threshold
Thermal Shut Down Hysteresis
1
2
3
4
5
A2550
See Applications Information section for operation with V
For input and output current specifications, negative current is defined as coming out of (sourcing) the specified device pin.
When V
Defined as the maximum current level allowed during excessive load condition.
See Applications Information section for calculations. Values guaranteed by design, and depend on capacitor tolerances.
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Thermal Resistance, Junction to Pad
Thermal Resistance, Junction to
Ambient
Maximum Allowable Power Dissipation
*Additional thermal data available on the Allegro Web site.
ENBAT
Characteristics
Characteristic
exceeds V
BB
5
it is clamped with a diode. (V
Symbol
R
R
I
Symbol
P
NPOR(Off)
V
V
T
V
θJP
θJA
T
D
TRIP(H)
I
TSDhys
TRIP(L)
I
t
NPOR
CWD
POR
POR
TSD
4-layer PCB based on JEDEC standard
2-layer PCB with 2 in.
R
T
R
T
A
A
θJA
θJA
= 125°C
= 85°C
BB
ENBAT
I
V
V
C
Charging
Discharging
NPOR
= 44 ºC/W (estimated), 2-layer PCB with 2.0 in.
= 44 ºC/W (estimated), 2-layer PCB with 2.0 in.
J
NPOR
TRIP(H) =
POR
< 7 V. For V
≤ 150°C, V
– V
= 0.22 μF
= 1 mA; V
= 5 V
BB
V
REF
) ≤ 1.2 V at 40 mA.
BB
BB
Test Conditions
REG5
within operating limits, unless otherwise noted
2
> 24 V, thermal constraints limit regulator current.
copper both sides
= 1.5 V; 1.5 V ≤ V
Test Conditions*
Relay Driver with 5 V Regulator
for Automotive Applications
BB
≤ 40 V
2
2
of 2 oz. copper,
of 2 oz. copper,
Min.
150
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
2.5
2.5
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
–
–
–
–
–
–
–
Typ.
175
1.2
0.2
44
70
15
–
–
5
5
Max.
400
7.5
7.5
10
Value
–
–
–
–
–
–
0.57
1.48
34
44
2
Units
mV
ms
μA
μA
μA
μA
°C
°C
Units
V
V
ºC/W
ºC/W
ºC/W
W
W
5