A3958SB

更新时间： 2024-01-01 14:14:43

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器电机
页数	文件大小	规格书
12页	177K
描述
DMOS FULL-BRIDGE PWM MOTOR DRIVER

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数据手册

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A3958SB 数据手册

3958

DMOS FULL-BRIDGE

PWM MOTOR DRIVER

ELECTRICAL CHARACTERISTICS 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), continued.

Limits

Characteristics

Symbol Test Conditions

Min. Typ. Max. Units

Control Logic

Buffer Input Offset Volt.

Reference Divider Ratio

V_IO

–

D14 = High

9.9

10 10.2

D14 = Low

4.95 5.0 5.05

–

Propagation Delay Times

t_pd

PWM change to source ON

PWM change to source OFF

PWM change to sink ON

PWM change to sink OFF

Phase change to sink ON

Phase change to sink OFF

Phase change to source ON

Phase change to source OFF

–

600

100

600

100

600

100

600

100

165

–

°C

Thermal Shutdown Temp.

T_J

Thermal Shutdown Hysteresis

∆T_J

UVLO

Enable

ThresholdUVLO Increasing

3.90 4.2 4.45

UVLO Hysteresis

∆UVLO

0.05 0.10

–

Logic Supply Current

I_DD

f_PWM< 50 kHz

Sleep Mode, Inputs < 0.5 V

NOTES: 1. Typical Data is for design information only.

–

6.0

–

2.0

2. Negative current is defined as coming out of (sourcing) the specified device terminal.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

1 2 345 6 7...12

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