A3946KLB Allegro Microsystems Inc, A3946KLB Datasheet - Page 4

• Manufacturer Part Number: A3946KLB
• Description: IC CTRLR MOSFET 16-SOIC
• Manufacturer: Allegro Microsystems Inc

Specifications of A3946KLB

• Applications: DC Motor Controller, Brushless (BLDC), 3 Phase
• Number Of Outputs: 1
• Voltage - Supply: 7 V ~ 60 V
• Operating Temperature: -40°C ~ 135°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -
• Voltage - Load: -

A3946
ELECTRICAL CHARACTERISTICS at T
V
VREG Output Voltage
Charge Pump Frequency
VREF Output Voltage
Top-Off Charge Pump
Current
Gate Output Drive
Turn On Time
Turn Off Time
Pullup On Resistance
Pulldown On Resistance
GH Output Voltage
GL Output Voltage
Timing
Dead Time (Delay from
Turn Off to Turn On)
Propagation Delay
BB
Quiescent Current
Characteristics
Symbol
R
R
V
DSDOWN
V
t
V
I
F
V
DEAD
t
I
t
t
DSUP
VBB
REG
rise
REF
TO
fall
PD
CP
GH
GL
RESET = High, Outputs Low
RESET = Low
V
V
CP1, CP2
I
V
C
C
T
T
T
T
t
R
R
Logic input to unloaded GH, GL. DT = VREF
REF
pw
j
j
j
j
BB
BB
BOOT
LOAD
LOAD
dead
dead
= 25C
= 135C
= 25C
= 135C
< 10 μs, Bootstrap Capacitor fully charged
> 7.75 V, I
≤ 4 mA, C
= 7 V to 7.75 V, I
= 5 kΩ
= 100 kΩ
= 3300 pF, 20% to 80%
= 3300 pF, 80% to 20%
– V
A
S
= –40 to +135°C, V
= 8.5 V
REF
reg
Test Conditions
= 0 mA to 15 mA
= 0.1 μF
reg
–
= 0 mA to 15 mA
Half-Bridge Power MOSFET Controller
BB
= 7 to 60 V (unless otherwise noted)
V
V
REG
REG
Min.
12.0
11.0
200
4.5
20
–
–
–
–
–
–
–
–
–
5
–
– 0.2
– 1.5
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Typ.
62.5
350
13
60
40
–
–
–
–
4
6
2
3
–
–
6
–
3
Limits
Max.
13.5
13.5
100
500
150
5.5
80
10
–
–
–
8
–
4
–
–
7
6
Units
kHz
mA
μA
μA
ns
ns
ns
μs
ns




V
V
V
V
V
4