2998 데이터 시트보기 (PDF) - Allegro MicroSystems
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2998 Datasheet PDF : 6 Pages
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2998
DUAL FULL-BRIDGE
MOTOR DRIVER
ELECTRICAL CHARACTERISTICS at TA = +25°C, TJ ≤ +150°C, VBB = 50 V
Characteristic
Symbol
Test Conditions
Output Drivers
Operating Voltage Range
Output Leakage Current
Output Saturation Voltage
VBB
ICEX
VCE(SAT)
Output Sustaining Voltage
VCE(sus)
Source Driver Rise Time
tr
Source Driver Fall Time
tf
Deadtime
td
Clamp Diode Leakage Current
IR
Clamp Diode Forward Voltage
VF
Supply Current
IBB
Control Logic (PHASE or ENABLE)
VOUT = 50 V, VENABLE = 2.0 V, Note 2
VOUT = 0, VENABLE = 2.0 V, Note 2
IOUT = 1 A, Sink Driver
IOUT = 2 A, Sink Driver
IOUT = -1 A, Source Driver
IOUT = -2 A, Source Driver
IOUT = ±2 A, L = 3.5 mH, Note 2
IOUT = -2 A
IOUT = -2 A
IOUT = ±2 A
VR = 50 V
IF = 2 A
VENABLE(1) = VENABLE(2) = 0.8 V
Logic lnput Voltage
Logic Input Current
Turn-On Delay Time
Turn-Off Delay Time
VIN(0)
VIN(1)
IIN(0)
IIN(1)
tpd0
tpd1
VPHASE or VENABLE = 0.8 V
VPHASE or VENABLE = 2.0 V
ENABLE Input to Source Drivers
ENABLE Input to Source Drivers
NOTES:1. Each driver is tested separately.
2. Test is performed with VPHASE = 0.8 V and then repeated for VPHASE = 2.0 V.
3. Negative current is defined as coming out of (sourcing) the specified device pin.
Min.
Limits
Typ. Max.
10 —
50
— <5.0 50
— <-5.0 -50
— 1.2
1.4
— 1.7
1.9
— 1.7
1.9
— 2.0
2.2
50 —
—
— 500
—
— 750
—
— 2.5
—
— <5.0 50
— 1.5
2.0
— 30
35
——
0.8
2.0 —
—
— -5.0 -25
— <1.0 10
— 0.4
1.0
— 2.0
4.0
Units
V
µA
µA
V
V
V
V
V
ns
ns
µs
µA
V
mA
V
V
µA
µA
µs
µs
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