E-L6258E データシートの表示（PDF） - STMicroelectronics

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E-L6258E

PWM controlled high current DMOS universal motor driver

STMicroelectronics 

L6258E

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)

CFREF = 1nF

12.5

TRANSISTORS

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

Input voltage

Input current (2)

Disable pin input current

Reference voltage

Vref terminal input current

PWM loop transfer ratio

DAC full scale precision

Current loop offset

DAC factor ratio

All Inputs

All inputs

0 < Vin < 5V

Operating

Vref = 1.25

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

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

Normalized @ full scale

value

2

0

-150

-10

0

-2

1.23

-30

-2

SENSE AMPLIFIER

Vcm

lnput common mode

voltage range

-0.7

Iinp

Input bias

ERROR AMPLIFIER

sense1/sense2

-200

GV

Open loop voltage gain

SR Output slew rate

Open loop

GBW Gain bandwidth product

25

°C

150

°C

15 18.5 KHz

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

2

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.

9/31

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