A4970GLBTR-T Allegro Microsystems Inc, A4970GLBTR-T Datasheet - Page 4

• Manufacturer Part Number: A4970GLBTR-T
• Description: IC PWM MOTOR DVR FULL 24-SOICW
• Manufacturer: Allegro Microsystems Inc

Specifications of A4970GLBTR-T

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

A4970
ELECTRICAL CHARACTERISTICS
unless otherwise noted
Output Drivers (OUTA or OUTB)
Motor Supply Range
Output Leakage Current
Output MOSFET On Resistance
Clamp Diode Leakage Current
Clamp Diode Forward Voltage
Driver Supply Current
Control Logic
Input Voltage
Input Current
Reference Voltage Range
Reference Input Current
Current Limit Threshold
Thermal Shutdown Temperature
Total Logic Supply Current
Fixed Off-Time
V
Threshold
V
Threshold
Subject to Change Without Notice
Preliminary Data Sheet
CC
CC
Undervoltage Lockout (UVLO)
Undervoltage Lockout (UVLO)
March 9, 2011
Characteristics
V
CCUVLOHYS
Symbol
V
I
I
V
R
I
I
BB(OFF)
CC(OFF)
V
CC(ON)
CCUVLO
Valid at T
BB(ON)
V
V
V
I
I
I
SENSE
V
DS(on)
IN(1)
CEX
REF
V
REF
t
IN(1)
IN(0)
T
I
REF
off
BB
R
F
J
/
I0 = I1 = 2.4 V, V
V
Sink Driver, I
Source Driver, I
V
I
Both bridges on, I0 = I1 = 0.8 V, no load
Both bridges off, I0 = I1 = 2.4 V, no load
All inputs
All inputs
V
V
Operating
V
I0 = I1 = 0.8 V
I0 = 2.4 V, I1 = 0.8 V
I0 = 0.8 V, I1 = 2.4 V
I0 = I1 = 0.8 V, no load
I0 = I1 = 2.4 V, no load
R
V
A
F
OUT
R
IN
IN
REF
T
CC
= 25°C, T
= 750 mA
= 56 kΩ, C
= 45 V
= 2.4 V
= 0.8 V
rising
= 7.5 V
= 0.0 V
OUT
J
T
≤ 150°C, V
OUT
= 820 pF
Test Conditions
OUT
= 750 mA
= –750 mA
= 45.0 V
Dual Full-Bridge Motor Driver
BB
= 45 V, V
CC
= 4.75 to 5.25 V, V
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Min.
7.45
13.5
25.5
TBD
2.4
1.5
9.5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
< –1.0
< 1.0
< 1.0
– 3.0
Typ.
TBD
TBD
TBD
TBD
<1.0
TBD
TBD
170
200
REF
10
10
15
30
46
–
–
–
–
–
4
= 5.0 V,
Max.
–200
TBD
0.75
1.85
10.5
16.5
34.5
–50
150
7.5
0.8
7.5
7.5
7.5
45
50
50
10
20
2
–
–
–
–
Unit
mV
mA
mA
mA
mA
μA
μA
μA
μA
μA
μA
°C
μs
Ω
Ω
V
V
V
V
V
–
–
–
V
4