A3935KED Allegro Microsystems Inc, A3935KED Datasheet - Page 12

• Manufacturer Part Number: A3935KED
• Description: IC CTRLR MOSFET 3PH 44-PLCC
• Manufacturer: Allegro Microsystems Inc

Specifications of A3935KED

• Applications: DC Motor Driver, Brushless (BLDC), 3 Phase
• Number Of Outputs: 1
• Voltage - Load: 7 V ~ 40 V
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 135°C
• Mounting Type: Surface Mount
• Package / Case: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -

Note: CC = Constant Current, DotC = Dot Correction, LOD = LED Open Detection, PWM = PWM control per channel,
SOTO = Staggered Output Turn-on, TSD = Thermal Shutdown, UVLO = Under-Voltage Lockout
A6210
A6260
A6279
A6280
A6281
A6282
A6285
A6210
A8500
A8501
A8503
A8504
A8507
A8510
A8511
A8512
A8515
A8516
P/N
P/N
per channel
Iout (mA)
Backlighting LCD
Backlighting LCD
Monitor/LCD TV
Monitor/LCD TV
Cluster, Backup
Cluster, Backup
Camera, DVD)
Monitor, Small
Camera, DVD)
Applications
TFT Backlight
monitors and
TFT Backlight
monitors and
3000
LED Lighting
(Navigation,
(Navigation,
350
150
150
Navigation,
90
50
80
Notebook,
Notebook,
Notebook,
televisions
televisions
Netbooks
Example
Monitor
Monitor
LCD TV
Radio,
Number of
Channels
motive?
16
16
16
1
1
3
3
Auto
N
N
N
N
N
N
N
N
N
Y
Y
+5 V bias
+5 V bias
+5 V bias
+5 V bias
6.8-22 V
6.8-22 V
9-46 V
5-27 V
5-27 V
5-27 V
5-27 V
5-40 V
8-24 V
5-40 V
8-24 V
Vout Max
Vin
(V)
40
39
17
17
17
13
13
LED Linear Constant-Current Drivers and Switches
Scalable
Scalable
Max.
OVP
47 V
38 V
47 V
47 V
60 V
38 V
55 V
50 V
NA
Output?
Latched
N
N
Y
Y
Y
Y
Y
100 mA
150 mA
120 mA
120 mA
25 mA
35 mA
40 mA
80 mA
40 mA
80 mA
Iout
Max
3 A
LED Drivers - Switching
Input?
Serial
Channels
N
N
Y
Y
Y
Y
Y
1
8
4
6
8
6
8
4
6
2
6
HTSSOP-24, QFN-28
QFN-24, SOIC-24,
DIP-24, SOIC-24,
DIP-16, QFN-16
Channel
HTSSOP-24
LEDs/
Package
QFN-16
QFN-16
QFN-32
1-9
SOIC-8
12
12
11
24
12
32
12
18
9
9
Total LED’s
144
192
108
1-9
96
36
72
88
96
36
24
High switching frequency, up to 2 MHz, Integrated power
CC, DotC, PWM, TSD, UVLO, internal PWM clock
MOSFET, Only 6 external components required,
Topology
Controller
Switching
Controller
Switching
Thermal foldback, Reverse battery protection;
Disable input for PWM, Thermal shutdown
Power Management ICs
Boost
Boost
Boost
Boost
Boost
Boost
Boost
Boost
Boost
Boost
Buck
Enable input for PWM; Slew-rate limiting
CC, DotC, PWM, TSD, UVLO
CC, DotC, SOTO, TSD, UVLO
CC, LOD, SOTO, TSD, UVLO
up to 2 MHz 4 x 4 QFN-16
0.25 to 1.0
0.6 to 2.25
0.6 to 2.2
0.6 to 2.2
0.3 to 1.0
0.2 to 2
0.6 to 2
0.2 to 2
Freq.
CC, TSD, UVLO
MHz
2.25
1
Features
4 x 4 TQFN-26
4 x 4 TQFN-26
4 x 4 TQFN-26
5 x 5 QFN-28
SOIC / TSSOP 40°C to 85°C
eTSSOP-28
eTSSOP-24
eTSSOP-28
eTSSOP-16
Package
SOIC-24
SOIC-24
QFN
40°C to 105°C
Temperature
Rating
105°C
105°C
125°C
105°C
105°C
125°C
105°C
85°C
85°C
85°C
85°C
85°C
85°C
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