2944 查看數據表（PDF） - Allegro MicroSystems
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2944 Datasheet PDF : 8 Pages
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2944
QUAD HIGH-CURRENT,
HIGH-VOLTAGE
SOURCE DRIVER
ELECTRICAL CHARACTERISTICS at TA = +25°C, TJ ≤ +150°C, VS = 60 V, VENABLE = 0 V
(unless otherwise noted).
Characteristic
Symbol
Test Conditions
Min.
Limits
Max.
Supply Voltage Range
Output Leakage Current
Output Sustaining Voltage
Output Saturation Voltage
Input Voltage
Input Current
Total Supply Current
Clamp Diode Leakage Current
Clamp Diode Forward Voltage
Turn-On Delay
Turn-Off Delay
VS
ICEX
VCE(sus)
VCE(SAT)
Logic 1
Logic 0
Logic 1
Logic 0
IS
IR
VF
tON
tOFF
10
60
VOUT = 0 V, VENABLE = 2.4 V
—
50
IOUT = -4 A, L = 3 mH
35
—
IOUT = -1 A, VIN = 2.4 V
—
1.8
IOUT = -4 A, VIN = 2.4 V
—
2.5
VIN(1) or VENABLE(1)
2.0
—
VIN(0) or VENABLE(0)
—
0.8
VIN(1) or VENABLE(1) = 2.4 V
—
220
VIN(1) or VENABLE(1) = 12 V
—
1.5
VIN(0) or VENABLE(0) = 0.8 V
—
50
All drivers on, All outputs open
—
25
VR = 60 V
IF = 4 A
0.5 Ein to 0.5 Eout, RL = 15 Ω
0.5 Ein to 0.5 Eout, RL = 15 Ω
—
50
—
2.2
—
2.0
—
10
NOTE: Negative current is defined as coming out of (sourcing) the device being tested.
Units
V
µA
V
V
V
V
V
µA
mA
µA
mA
µA
V
µs
µs
TYPICAL APPLICATION
QUAD RELAY DRIVE
(Using 2 Voltage Sources
and Optional PWM Current Limiting)
www.allegromicro.com
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