a4930 Allegro MicroSystems, Inc., a4930 Datasheet - Page 4

• Manufacturer Part Number: a4930
• Description: A4930 Single Phase Fan Pre-driver
• Manufacturer: Allegro MicroSystems, Inc.

A4930
ELECTRICAL CHARACTERISTICS
VBB Undervoltage Lockout Enable Threshold
VBB Undervoltage Lockout Hysteresis
VCP Undervoltage Lockout Enable Threshold
Lock Detect On-Time
Lock Detect Off-Time
Hall Logic
Hall Input Current
Common Mode Input Range
AC Input Voltage Range
Hall Threshold
Hysteresis Width
Pulse Reject Filter
Commutation Delay
FG and RD Outputs
Output Saturation Voltage
Leakage Current
1
2
individual units, within the specified maximum and minimum limits.
For input and output current specifications, negative current is defined as coming out of (sourcing) the specified device pin.
Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions. Performance may vary for
Characteristic
1
valid at T
Symbol
V
V
V
BBUVhys
V
V
V
t
t
I
V
V
HALL
V
CPUV
LDon
LDoff
BBUV
V
t
HALL
CMR
HYS
CD
PU
OH
A
OL
th
= 25°C, V
Rising V
Relative to V
C
C
V
Difference in Halls at FG transition
R
I = 2 mA
V = 5 V
LD
LD
IN
CDEL
= 1.2 V
= 0.1 μF
= 0.1 μF
BB
= 50 kΩ
BB
= 12 V, unless noted otherwise
BB
Test Conditions
, V
BB
rising
Single Phase Fan Pre-Driver
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Min.
0.3
0.2
–1
60
–
–
–
–
–
5
–
1
–
–
Typ.
0.27
7.5
0.8
5.4
15
10
20
50
1
0
–
–
2
–
2
Max.
7.85
0.4
35
–
–
–
–
1
3
–
–
–
3
1
mVp-p
Units
mV
mV
mv
μA
μA
μs
V
V
V
V
V
s
s
4