A3933 データシートの表示（PDF） - Allegro MicroSystems

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A3933

THREE-PHASE POWER MOSFET CONTROLLER

Allegro MicroSystems 

3933

THREE-PHASE POWER

MOSFET CONTROLLER

ELECTRICAL SPECIFICATIONS at TA = 25°C, VBB = VCCOUT = 12 V, Cload = 0.001 µF, Cboot = 0.047 µF

(unless noted otherwise), continued.

Parameter

Bootstrap Capacitor

Bootstrap Charge Current

Bootstrap Output Voltage

Leakage Current

Current Limit

Offset Voltage

Input bias current

RC Charge Current

RC Voltage Threshold

PWM frequency Range

Protection Circuitry

Undervoltage Threshold

Boot-Strap Capacitor Volt.

High-Side Gate-Source Volt.

Fault Output Voltage

Brake Function

Brake Cap. Supply Current

Low-Side Gate Voltage

Symbol Conditions

ICx

VCx

Reference Sx

ICx

High side switched high, Sx = VBB

Vio

ISENSE

IRC

VRCL

VRCH

fPWM

Operating

UVLO

VCxSx

VGHxSx

VFAULT

Increasing VBB

Decreasing VBB

VBB = 12 V

IO = 1 mA

IBRKCAP

VGLxH

VBB = 8 V, BRKSEL ≥ 2 V

VBB = 0, BRKCAP = 8 V

Limits

Min Typ Max Units

50 100 150

mA

9.5 10.5 11.5

V

–

15 20

µA

–

0 ±5.0 mV

–

– -1.0

µA

850 945 1040 µA

1.0 1.1 1.2

V

2.7 3.0 3.2

V

20

– 100 kHz

9.7 10.2 10.7

V

9.35 – 10.35

V

9.5

–

–

V

–

6.3

–

V

–

–

0.8

V

–

30

–

µA

–

6.6

–

V

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

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

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