參數(shù)資料
型號(hào): 2998
廠商: Allegro MicroSystems, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: DUAL FULL-BRIDGE MOTOR DRIVER
中文描述: 雙全橋電機(jī)驅(qū)動(dòng)
文件頁數(shù): 3/6頁
文件大?。?/td> 165K
代理商: 2998
2998
DUAL FULL-BRIDGE
MOTOR DRIVER
www.allegromicro.com
ELECTRICAL CHARACTERISTICS at T
A
= +25
°
C, T
J
+150
°
C, V
BB
= 50 V
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Drivers
Operating Voltage Range
V
BB
10
50
V
Output Leakage Current
I
CEX
V
OUT
= 50 V, V
ENABLE
= 2.0 V, Note 2
<5.0
50
μ
A
V
OUT
= 0, V
ENABLE
= 2.0 V, Note 2
<-5.0
-50
μ
A
Output Saturation Voltage
V
CE(SAT)
I
OUT
= 1 A, Sink Driver
1.2
1.4
V
I
OUT
= 2 A, Sink Driver
1.7
1.9
V
I
OUT
= -1 A, Source Driver
1.7
1.9
V
I
OUT
= -2 A, Source Driver
2.0
2.2
V
Output Sustaining Voltage
V
CE(sus)
I
OUT
=
±
2 A, L = 3.5 mH, Note 2
50
V
Source Driver Rise Time
t
r
I
OUT
= -2 A
500
ns
Source Driver Fall Time
t
f
I
OUT
= -2 A
750
ns
Deadtime
t
d
I
OUT
=
±
2 A
2.5
μ
s
Clamp Diode Leakage Current
I
R
V
R
= 50 V
<5.0
50
μ
A
Clamp Diode Forward Voltage
V
F
I
F
= 2 A
1.5
2.0
V
Supply Current
I
BB
V
ENABLE(1)
= V
ENABLE(2)
= 0.8 V
30
35
mA
Control Logic (PHASE or ENABLE)
Logic lnput Voltage
V
IN(0)
0.8
V
V
IN(1)
2.0
V
Logic Input Current
I
IN(0)
V
PHASE
or V
ENABLE
= 0.8 V
-5.0
-25
μ
A
I
IN(1)
V
PHASE
or V
ENABLE
= 2.0 V
<1.0
10
μ
A
Turn-On Delay Time
t
pd0
ENABLE Input to Source Drivers
0.4
1.0
μ
s
Turn-Off Delay Time
t
pd1
ENABLE Input to Source Drivers
2.0
4.0
μ
s
NOTES:1. Each driver is tested separately.
2. Test is performed with V
PHASE
= 0.8 V and then repeated for V
PHASE
= 2.0 V.
3. Negative current is defined as coming out of (sourcing) the specified device pin.
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