A3976KLB Allegro Microsystems Inc, A3976KLB Datasheet - Page 5

• Manufacturer Part Number: A3976KLB
• Manufacturer: Allegro Microsystems Inc

Specifications of A3976KLB

• Operating Current: 50mA
• Operating Temperature Classification: Commercial
• Package Type: SOIC W
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / Rohs Status: Not Compliant

ELECTRICAL CHARACTERISTICS at T A = -40°C to +125°C, V BB = 16 V, V
Fault Circuitry
Characteristics
Fault Output Leakage Current
Fault Output Voltage
Fault Output Current
Output Open Load Current
Thermal Fault Temp.
Thermal Fault Hysteresis
OVLO Enable Threshold
OVLO Hysteresis
UVLO Enable Threshold
UVLO Hysteresis
Timing
Open Fault to Reset Delay
PHASE_X Delay to OPEN Fault
PHASE_X Delay to S.C. Fault
ENABLE_X Delay to Fault
Propagation Delay Times
Cross Over Dead Time
PROTECTED MOTOR DRIVER
3976 – DUAL FULL BRIDGE
Symbol
I
I
T
OUT-O.L.
t
F-LEAK
V
CODT
t pd
t
T
FHYS
t
t
t
I
SC
rs
of
of
FL
F
F
Test Conditions
V
Fault Condition Asserted, I
V
V
V
V
V
V
V
V
I OUT = ±0.35A, 50%TO 90%
ENABLE ON TO SOURCE ON
ENABLE OFF TO SOURCE OFF
ENABLE ON TO SINK ON
ENABLE OFF TO SINK OFF
PHASE CHANGE TO SINK ON
PHASE CHANGE TO SINK OFF
PHASE CHANGE TO SOURCE ON
PHASE CHANGE TO SOURCE OFF
1KΩ (1k+1k) Load (V
F
F
BB
BB
CC
BB
BB
BB
BB
= 5 V, No Faults
= 5 V, ENABLE = High
= 12 V
= 12 V
= 12 V
= 12 V
= 12 V
rising
rising
BB
to OUT to GND)
F
= 25 µA
CC
= 4.5 to 5.5 V
(Unless noted otherwise)
Min.
3.5
0.5
25
27
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
-
Typ.
170
400
1.5
0.3
0.4
0.3
0.2
4.0
0.3
4.0
0.4
3.0
50
10
30
–
2
4
–
8
5
5
-
Limits
Max.
4.49
0.8
6.0
10
75
33
25
–
–
–
–
–
–
–
Page
Units
4
mA
mV
µA
µA
°C
°C
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
of
V
V
V
V
6