A3966SLB View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A3966SLB' PDF : 12 Pages View PDF
3966
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 30 V, VCC = 4.75 V to 5.5 V, VREF = 2 V,
VS = 0 V, 56 kΩ & 680 pF RC to Ground (unless noted otherwise) (cont.)
Characteristic
Control Logic (continued)
PWM RC Frequency
PWM Propagation Delay Time
Symbol
fosc
tPWM
Cross-Over Dead Time
tcodt
Propagation Delay Times
tpd
Thermal Shutdown Temp.
Thermal Shutdown Hysteresis
UVLO Enable Threshold
UVLO Hysteresis
Logic Supply Current
TJ
∆TJ
VT(UVLO)+
VT(UVLO)hys
ICC(ON)
ICC(OFF)
Test Conditions
CT = 680 pF, RT = 56 kΩ
Comparator Trip to Source OFF
Cycle Reset to Source ON
1 kΩ Load to 25 V
IOUT = ±650 mA, 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
Increasing VCC
VENABLE 1 = VENABLE 2 = 0.8 V
VENABLE 1 = VENABLE 2 = 2.4 V
Min.
Limits
Typ. Max.
Units
22.9
25.4
27.9
kHz
—
1.0
1.4
µs
—
0.8
1.2
µs
0.2
1.8
3.0
µs
—
100
—
ns
—
500
—
ns
—
200
—
ns
—
200
—
ns
—
2200
—
ns
—
200
—
ns
—
2200
—
ns
—
200
—
ns
—
165
—
°C
—
15
—
°C
—
4.1
4.6
V
0.1
0.6
—
V
—
—
50
mA
—
—
9.0
mA
NOTES:1. Typical Data is for design information only.
2. Negative current is defined as coming out of (sourcing) the specified device terminal.
115 Northeast Cutoff, Box 15036
4
Worcester, Massachusetts 01615-0036 (508) 853-5000
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