3971
DUAL DMOS
FULL-BRIDGE DRIVER
ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 50 V, VDD = 5.0 V (unless otherwise noted).
Limits
Characteristic
Symbol Test Conditions
Min. Typ. Max. Units
Load Supply Voltage Range
Logic Supply Voltage Range
Load Supply Current
Logic Supply Current
Output Drivers
VBB
Operating
10
—
50
V
VDD
Operating
4.5 5.0 5.5
V
IBB
Operating, each supply, no load
—
—
3.0 mA
IDD
Operating
—
—
5.0 mA
Output Leakage Current
Output ON Resistance
Body Diode Forward Voltage
High-Side Gate Voltage
Control Logic
IDSS
rDS(on)
VF
VCP
VOUT = VBB
VOUT = 0 V
High-side switch, IOUT = -2.5 A
Low-side switch, IOUT = 2.5 A
Source diode, IF = 2.5 A
Sink diode, IF = 2.5 A
C = 0.22 µF, reference VBB
— <1.0 20
µA
— <-1.0 -20 mA
—
325 375 mΩ
—
175 200 mΩ
—
1.2
—
V
—
1.0
—
V
6.0 6.5 7.0
V
Logic Input Voltage
Logic Input Current
Propagation Delay Time
VIN(0)
VIN(1)
IIN(0)
IIN(1)
tPD
VIN = 0 V
VIN = 5.0 V
50% to 90%:
PWM change to source off
—
—
0.8
V
2.0
—
—
V
— <1.0 -5.0 µA
—
20
50
µA
—
50
—
ns
PWM change to sink off
—
60
—
ns
PWM change to source on
—
565
—
ns
PWM change to sink on
—
665
—
ns
Disable to source on
—
150
—
ns
Disable to sink on
—
250
—
ns
Thermal Shutdown Temperature
TJ
—
165
—
°C
Thermal Shutdown Hysteresis
∆TJ
—
15
—
°C
UVLO Threshold
VUVLO
Increasing VDD
3.9 4.15 4.4
V
UVLO Hysteresis
∆VUVLO
— 0.15 —
V
NOTES: 1. Typical Data is for design information only.
2. Negative current is defined as coming out of (sourcing) the specified device terminal.
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