A3986SLDTR View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A3986SLDTR' PDF : 16 Pages View PDF
A3986
Dual Full-Bridge MOSFET Driver
with Microstepping Translator
ELECTRICAL CHARACTERISTICS at TA = 25°C, VDD = 5 V, VBB = 12 to 50V, unless noted otherwise
Characteristics
Symbol
Test Conditions
Min. Typ.
Supply and Reference
Load Supply Voltage Range
Load Supply Current
VBB
IBB
ROSC = 10 kΩ, CLOAD = 1000 pF
ENABLE = High, outputs disabled
12
–
–
–
–
–
Load Supply Idle Current
Logic Supply Voltage Range
Logic Supply Current
Logic Supply Idle Current
Regulator Output
Bootstrap Diode Forward Voltage
Gate Output Drive
IBBQ
VDD
IDD
IDDQ
VREG
VfBOOT
RESET = 0
RESET = 0
IREGInt = 30 mA
IfBOOT = 10 mA
–
–
3.0
–
–
–
–
–
11.25
–
0.6
0.8
Turn-On Rise Time
Turn-Off Fall Time
Turn-On Propagation Delay
Turn-Off Propagation Delay
Crossover Dead Time
Pull-Up On Resistance
Pull-Down On Resistance
Short-Circuit Current – Source1
Short-Circuit Current – Sink
GHx Output Voltage
GLx Output Voltage
tr
tf
tp(on)
tp(off)
tDEAD
RDS(on)UP
RDS(on)DN
ISC(source)
ISC(sink)
VGHx
CLOAD = 1000 pF, 20% to 80%
CLOAD = 1000 pF, 80% to 20%
ENABLE low to gate drive on
ENABLE high to gate drive off
ROSC = 10 kΩ,
IGH = –25 mA
IGL = 25 mA
CBOOTx fully charged
VGLx
80
40
–
–
0.6
30
14
–140
160
VC – 0.2
VREG –
0.2
120
60
180
180
–
40
19
–110
200
–
–
Logic Inputs
Input Low Voltage
Input High Voltage
Input Hysteresis
Input Current1
RESET Pulse Width2
VIL
VIH
VIHys
IIN
twR
–
–
0.7 VDD
–
150
300
–1
–
0.2
–
Max. Units
50
V
10 mA
6
mA
100 μA
5.5
V
10 mA
300 μA
13
V
1
V
160 ns
80
ns
–
ns
–
ns
1.2 μs
55
Ω
24
Ω
–80 mA
250 mA
–
V
–
V
0.3 VDD V
–
V
–
mV
1
μA
1
μs
Continued on the next page...
Allegro MicroSystems, Inc.
4
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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