A3959SLPTR-T Allegro Microsystems Inc, A3959SLPTR-T Datasheet - Page 3

• Manufacturer Part Number: A3959SLPTR-T
• Description: IC MOTOR DRIVER PWM FULL 28TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3959SLPTR-T

• Applications: PWM Motor Driver
• Number Of Outputs: 1
• Current - Output: ±3A
• Voltage - Load: 9.5 V ~ 50 V
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Motor Type: Full Bridge
• No. Of Outputs: 1
• Output Current: 3A
• Output Voltage: 50V
• Supply Voltage Range: 4.5V To 5.5V
• Driver Case Style: TSSOP
• No. Of Pins: 28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1137-2; A3959SLPTR-T

A3959
Thermal Characteristics
Package Thermal Resistance, Junction
to Ambient
Package Thermal Resistance, Junction
to Tab
Package Thermal Resistance, Junction
to Pad
*Additional thermal information available on Allegro website.
Package Power Dissipation
Characteristic
Symbol
R
R
R
P
5
4
3
2
1
0
θJA
θJT
θJP
D
25
SUFFIX 'B', R
SUFFIX 'LP', R
SUFFIX 'LB', R
2-LAYER BOARD,
1 SQ. IN. COPPER EA. SIDE
B package
LB package
LP package
B Package
LB Package
LP Package
B and LB packages
LP package
DMOS Full-Bridge PWM Motor Driver
50
JA
JA
JA
= 36 C/W
= 40 C/W
= 51 C/W
TEMPERATURE IN C
1-layer PCB, minimal exposed copper area
2-layer PCB, 1-in.
4-layer PCB, based on JEDEC standard
1-layer PCB, minimal exposed copper area
2-layer PCB, 1-in.
4-layer PCB, based on JEDEC standard
1-layer PCB, minimal exposed copper area
2-layer PCB, 1-in.
4-layer PCB, based on JEDEC standard
SUFFIX 'B', R
SUFFIX 'LP', R
SUFFIX 'LB', R
4-LAYER BOARD
75
Test Conditions
100
JA
JA
JA
2
2
2
= 26 C/W
= 28 C/W
= 35 C/W
2-oz copper exposed area
2-oz copper exposed area
2-oz copper exposed area
125
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
150
Value
100
3.3
2.5
3.1
54
36
26
77
51
35
40
28
6
2
Units
ºC/W
ºC/W
ºC/W
ºC/W
ºC/W
ºC/W
ºC/W
ºC/W
ºC/W
ºC/W
ºC/W
W
W
W
3