A3965SLB Просмотр технического описания (PDF) - Allegro MicroSystems

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A3965SLB

DMOS Dual Full-Bridge PWM Motor Driver

Allegro MicroSystems 

3965 DMOS Dual Full Bridge

PWM Motor Driver

ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 20V, VDD = 3.0 V, VSENSE = 0.5 V (unless noted otherwise)

Characteristics

Control Logic

Reference Input Current

VREF input voltage range

Reference Divider Ratio

GM Error

Propagation Delay

PWM RC Frequency

Blank Time

Thermal Shutdown Temp.

Thermal Shutdown Hysteresis

UVLO Enable Threshold

UVLO Hysteresis

Symbol Test Conditions

IREF

VREF

VREF/VS

VERR

(Note 3)

tPD

tCOD

fOSC

tBLANK

TJ

∆TJ

VREF = VDD

VREF = 1.5V

VREF = .5V

PWM CHANGE TO SOURCE OFF

PWM CHANGE TO SINK OFF

PWM CHANGE TO SOURCE ON

PWM CHANGE TO SINK ON

DISABLE TO SOURCE ON

DISABLE TO SINK ON

R = 1000pf, C = 20K

R = 1000pf, C = 20K

Rising VDD

Min.

-1

0

-5

-10

–

–

–

–

–

–

300

.8

–

–

0.05

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

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

3. VERR =((VREF/6) – VSENSE)/(VREF/6)

Limits

Typ. Max.

Units

0

1

µA

VDD- .1

6

5

%

10

%

150

–

ns

150

–

ns

1000

–

ns

1000

–

ns

200

–

ns

200

–

ns

850 1200

ns

47.4

Khz

1.21

1.6

µs

165

°C

15

–

°C

2.5

2.8

V

0.10

–

V

4

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