- 您现在的位置：买卖IC网 > PDF目录1773 > A3998SETTR-T (Allegro Microsystems Inc)IC MOTOR DRIVER DUAL DMOS QFN PDF资料下载
参数资料
| 型号： | A3998SETTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR DRIVER DUAL DMOS QFN |
| 标准包装： | 1 |
| 应用： | 直流电机驱动器，PWM 电机驱动器，步进电机驱动器 |
| 输出数： | 1 或 2 |
| 电流 - 输出： | ±1.5A |
| 电压 - 负载： | 9 V ~ 50 V |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN |
| 包装： | 标准包装 |
| 其它名称： | 620-1459-6 |
A3998
Selection Guide
Part Number
Packing*
Dual DMOS Full Bridge Motor Driver
With Serial Port Control and Dual Regulators
A3998SETTR-T 1500 pieces per 7-in. reel
*Contact Allegro ? for additional packing options
Absolute Maximum Ratings*
Characteristic
Load Supply Voltage
Output Current
Sense Voltage
SW1 Pin Voltage
Logic Pins Voltage Range
VIN Pin Voltage
FB Pins Voltage Range
VREF Pin Voltage Range
PMON, RST Pins Voltage Range
VREG Pin Voltage Range
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
Symbol
V BB
I OUT
V SENSE
V SW
V IO
V IN
V FB
V REF
V RST
V REG
T A
T J (max)
T stg
Motor, DC
Pulsed, t W < 1 μ s
DC
t W < 1 μ s
S temperature range
Notes
Rating
50
1.5
6
0.52
2.5
–1 to 50
–0.3 to 5.5
–0.3 to 6
–0.3 to 5.5
–0.3 to 5.5
–0.3 to 5.5
–0.3 to 8
–20 to 85
150
–55 to 150
Unit
V
A
A
V
V
V
V
V
V
V
V
V
oC
oC
oC
Thermal Characteristics may require derating at maximum conditions, see application information
Characteristic
Package Thermal Resistance
Symbol
R θ JA
Test Conditions*
4-layer PCB based on JEDEC standard
Estimated, on 2-layer PCB with 1 in. 2 of copper area each side
Value
30
55
Unit
oC/W
oC/W
*Additional thermal information available on the Allegro website
Table of Contents
Specifications
Pin-out Diagram and Terminal List
Thermal Characteristics
Terminal List
Electrical Characteristics
Functional Description
Voltage Regulators
Switching Regulator
Linear Regulator
Serial Port
Serial Port Writing
Configuration Register
Motor Driver
Full Bridge Output Current Regulation
Fixed Off-Time
2
2
3
4
7
7
7
8
8
8
9
9
9
9
PWM Control Mode
Phase Control
Enable Logic
Fast Decay Time
PWM Blank Timer
Synchronous Rectification
Protection
Power-On Reset
Application Information
PCB Layout
Switcher
Motor Driver
Thermal Considerations
Switching Regulator Component Selection
Package Outline Drawing
Allegro MicroSystems, LLC
115 Northeast Cutoff
9
10
10
10
10
10
11
11
16
16
16
16
16
16
19
2
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
相关PDF资料 |
PDF描述 |
|---|---|
| A4401KL-T | IC QUASI FLYBACK CONVERTER 8SOIC |
| A4403GEUTR-T | IC REG BUCK ADJ 3A 16QFN |
| A4447SLJTR-T | IC REG BUCK ADJ 2A 8SOIC |
| A4490EES-T | IC REG BUCK ADJ 1.5A TRPL 20QFN |
| A4491EESTR-T | IC REG BUCK ADJ 2.2A TRPL 20QFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| A399B | 制造商:Powerex Power Semiconductors 功能描述:DIODE FAST 400A 200V DO-200AA |
| A399D | 制造商:Powerex Power Semiconductors 功能描述:DIODE FAST 400A 400V DO-200AA |
| A399D8U0AP | 制造商:Panasonic Industrial Company 功能描述:LEVER |
| A399E | 制造商:n/a 功能描述:Power Semiconductor |
| A399M | 制造商:Powerex Power Semiconductors 功能描述:DIODE FAST 400A 600V DO-200AA |
发布紧急采购，3分钟左右您将得到回复。