a4930 Allegro MicroSystems, Inc., a4930 Datasheet - Page 3

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

Continued on the next page…
A4930
ELECTRICAL CHARACTERISTICS
Load Supply Voltage Range
Motor Supply Current
VREG5
VREG5 Current Limit
VREG5 Load Regulation
Control Logic
Logic Input Voltage
PWM Pin Input Current
Other Logic Pin Input Current
Gate Drive
High Side Gate Drive Output
Low Side Gate Drive Output
Gate Drive Current Turn-on
Gate Drive Pulldown
Dead Time
Control
Soft Start Time
Internal PWM Frequency
CPWM Output Voltage
CPWM Low Threshold
CPWM High Threshold
SIN Input Impedance
Protection
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Characteristic
1
valid at T
Symbol
T
V
T
I
V
V
t
JTSDhys
V
V
f
I
I
REG5
R
DEAD
V
PWM
V
V
V
I
REG5
IN(0)
IN(1)
t
Z
JTSD
V
IN(1)
IN(0)
GHx
I
BB
GLx
SS
A
BB
G
DS
PP
LO
HI
IN
5
= 25°C, V
Operating
f
I
I
V
V
Relative to V
GHx = GLx = 4 V
C
C
C
PWM
load
REG5
IN
IN
LD
PWM
PWM
= 0, 50 kΩ pull-up
= 3.3
= 10 mA
= 0.47 μF
BB
< 30 kHz, C
= 1 to 10 mA
= 470 pF
= 470 pF
= 12 V, unless noted otherwise
BB
, VBB = 12 V
Test Conditions
load
= 1000 pf
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.
700
4.7
15
15
8
–
–
2
–
–
–
7
7
–
–
–
–
–
–
–
–
–
Typ.
–100
1000
–34
300
200
165
1.5
3.5
12
12
20
40
21
15
5
5
–
–
–
–
–
2
2
Max.
1300
5.3
0.8
8.5
36
30
27
7
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Units
kHz
mV
mA
mA
mA
ms
μA
μA
kΩ
ns
°C
°C
Ω
V
V
V
V
V
V
V
V
V
3