E-L6258 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

E-L6258

PWM controlled high current DMOS universal motor driver

STMicroelectronics 

L6258

Block diagram

Table 4.

Electrical characteristics (continued)

(VS = 40V; VDD = 5V; Tj = 25°; unless otherwise specified.)

Parameter

Description

Test condition

Min. Typ.

Max. Unit

ΔTSD-H

TSD

fosc

Shut down hysteresis

Thermal shutdown

Triangular oscillator

frequency(1)

TRANSISTORS

CFREF = 1nF

25

°C

150

°C

12.5 15 18.5 KHz

IDSS

Leakage current

Rds(on) On resistance

Vf

Flywheel diode voltage

CONTROL LOGIC

OFF State

ON state

If =1.0A

Vin(H)

Vin(L)

Iin

Idis

Vref1/ref2

Iref

FI =

Vref/Vsense

VFS

Voffset

lnput voltage

All Inputs

Input voltage

Input current (2)

Disable pin input current

All inputs

0 < Vin < 5V

Reference voltage

Operating

Vref terminal input current Vref = 1.25

PWM loop transfer ratio

DAC full scale precision

Current loop offset

DAC factor ratio

Vref = 2.5V I0/I1/I2/I3 = L

Vref = 2.5V I0/I1/I2/I3 = H

Normalized @ full scale

value

SENSE AMPLIFIER

Vcm

lnput common mode

voltage range

Iinp

Input bias

ERROR AMPLIFIER

sense1/sense2

GV

Open loop voltage gain

SR

Output slew rate

Open loop

GBW Gain bandwidth product

2

0

-150

-10

0

-2

1.23

-30

-2

-0.7

-200

500 µA

0.6 0.75 W

1

1.4 V

VDD

V

0.8 V

+10 µA

+150 µA

2.5 V

5

µA

1.94

1.29 1.34 V

+30 mV

+2 %

VS+0.7 V

0

µA

70

dB

0.2

V/µs

400

kHz

1. Chopping frequency is twice fosc value.

2. This is true for all the logic inputs except the disable input.

9/32

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