参数资料
型号: A3959SLPTR
厂商: Allegro Microsystems Inc
文件页数: 5/12页
文件大小: 0K
描述: IC MOTOR DRIVER PWM FULL 28TSSOP
标准包装: 4,000
应用: PWM 电机驱动器
输出数: 1
电流 - 输出: ±3A
电压 - 负载: 9.5 V ~ 50 V
电源电压: 4.5 V ~ 5.5 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 带卷 (TR)
A3959
DMOS Full-Bridge PWM Motor Driver
ELECTRICAL CHARACTERISTICS (continued) at T A = +25°C, V BB = 50 V, V DD = 5.0 V, V SENSE = 0.5 V,
f PWM < 50 kHz (unless noted otherwise)
Characteristics
Reference Divider Ratio
Gm Error
(Note 3)
Symbol
E Gm
Test Conditions
V REF = V DD
V REF = 0.5 V
Min.
Typ.
10
Max.
±4.0
±14
Units
%
%
0.5 E in to 0.9 E out :
PWM change to source on
600
750
1200
ns
Propagation Delay Times
Thermal Shutdown Temp.
Thermal Shutdown Hysteresis
UVLO Enable Threshold
UVLO Hysteresis
t pd
T J
? T J
UVLO
? UVLO
PWM change to source off
PWM change to sink on
PWM change to sink off
Increasing V DD
50
600
50
3.90
0.05
150
750
100
165
15
4.2
0.10
350
1200
150
4.45
ns
ns
ns
°C
°C
V
V
NOTES:
1. Typical Data is for design information only.
2. Negative current is de ? ned as coming out of (sourcing) the speci ? ed device terminal.
3. G m error = ([V REF /10] – V SENSE )/(V REF /10) where V SENSE = I TRIP ?R S .
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5
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