A3985SLDTR-T Allegro Microsystems Inc, A3985SLDTR-T Datasheet - Page 5

• Manufacturer Part Number: A3985SLDTR-T
• Description: IC MOSFET DRVR PROG DUAL 38TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3985SLDTR-T

• Configuration: H Bridge
• Input Type: Non-Inverting
• Delay Time: 120ns
• Number Of Configurations: 2
• Number Of Outputs: 8
• Voltage - Supply: 12 V ~ 50 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 38-TSSOP
• Device Type: Full Bridge
• Module Configuration: Full Bridge
• Peak Output Current: 500nA
• Output Resistance: 19ohm
• Input Delay: 120ns
• Output Delay: 120ns
• Supply Voltage Range: 12V To 50V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Peak: -
• High Side Voltage - Max (bootstrap): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 620-1180-2

A3985
Continued on the next page...
THERMAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS, continued, at T
Current Control
Blank Time
Fixed Off-Time
Reference Input Voltage
Internal Reference Voltage
Current Trip Point Error
Reference Input Current
Internal Oscillator Frequency
Maximum Clock Input Frequency
Master Clock Frequency
Protection
VREG Undervoltage Lockout
VREG Undervoltage Lockout
Hysteresis
VDD Undervoltage Lockout
VDD Undervoltage Lockout
Hysteresis
Overtemperature Shut Down
Overtemperature Shut Down
Hysteresis
Package Thermal Resistance
*Additional thermal information available on Allegro Web site.
Characteristics
Characteristic
2
1
V
V
Symbol
V
REGUVHys
T
f
V
V
t
DDUVHys
EXTmax
TSDHys
BLANK
V
E
REGUV
T
Symbol
f
f
t
I
REFInt
DDUV
OSC
MCK
OFF
REF
TSD
REF
ITrip
R
θJA
f
Word1:Bits D1 and D2 = 00
f
Word1:Bits D3 to D7 = 01010, and
D15 = 0
20 kΩ to V
V
R
External clock selected
Decreasing V
Decreasing V
Temperature increasing
Recovery = T
MCK
MCK
REF
OSC
4-layer PCB, based on JEDEC standard
1-layer PCB with copper limited to solder pads
= 4 MHz;
= 4 MHz,
A
= 2 V
= 10 kΩ
= 25°C, V
DD
Dual Full-Bridge MOSFET Driver
Test Conditions
TSD
REG
DD
DD
– T
= 5 V, V
TSDHys
Test Conditions*
BB
= 12 to 50 V, unless noted otherwise
Digitally Programmable
21.75
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Min.
2.45
100
0.8
1.9
3.2
0.5
7.5
–3
50
–
–
–
–
–
Typ.
200
100
165
2.0
2.7
10
15
1
–
–
–
0
4
4
8
Max.
Value Units
2.95
2.1
4.8
8.5
127
22
±5
51
–
2
3
–
5
–
–
–
–
Units
ºC/W
ºC/W
MHz
MHz
MHz
mV
mV
μA
μs
μs
ºC
ºC
%
V
V
V
V
5