L294(1991) 데이터 시트보기 (PDF) - STMicroelectronics

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L294
(Rev.:1991)

SWITCH-MODE SOLENOID DRIVER

STMicroelectronics 

L294

ELECTRICAL CHARACTERISTICS (refer to the test circuit, Vs = 40 V, Vss = 5V, Tamb = 25 °C, unless

otherwise specified)

Symbol

Vs

Id

Parameter

Power Supply Voltage (pin 1)

Quiescent Drain Current (pin 1)

Vss

Logic Suply Voltage (pin 4)

Iss

Quiescent Logic Supply

Current

Vi

Input Voltage (pin 7)

Ii

Input Current (pin 7)

VENABLE Enable Input Voltage (pin 9)

IENABLE Enable Input Current (pin 9)

Iload/ Vi Trasconductance

Vsat H

Source Output Saturation

Voltage

Vsat L Sink Output Saturation Voltage

Vsat H + VsatL Total Saturation Voltage

Ileakage Output Leakage Current

K

On Time Limiter Constant (°)

VDIAG

Diagnostic Output Voltage

(pin 5)

Test conditions

Operative Condition

VENABLE = H

Vi ≥ 0.6V; VENABLE = L

VDIAG = L

DIAG Output at High Impedance

Operating Output

Non-operative Output

Vi ≥ 0.6V

Vi ≤ 0.45V

Low Level

High Level

VENABLE = L

VENABLE = H

RS = 0.2 Ω

Vi = 1V

Vi = 4V

Ip = 4A

Ip = 4A

Ip = 4A

Rs = 0.2Ω; Vi ≤ 0.45 V

VENABLE = L

IDIAG = 10 mA

Min. Typ. Max. Unit

12

46

V

20 30

mA

70

4.5

7

V

5

8 mA

10 100 µA

0.6

V

0.45

-1

µA

-3

-0.3

0.8

V

2.4

-100 µA

100

0.95 1 1.05

A/V

0.97 1

1.3

1.7

V

2

V

4.5

V

1

mA

120

0.4

V

IDIAG

Vpin 8

Vp in 10

VSENS

Diagnostic Leakage Current

(pin 5)

OP AMP and OTA CD Voltage

Gain (°°)

Sensing Voltage (pin 10) (°°°)

VDIAG = 40V

Vpin 10 = 100 to 800 mV

10 µA

5

0.9 V

(°) After a time interval tmax = KC2, the output stages are disabled.

(°°) See the block diagram.

(°°°) Allowed range of VSENS without intervention of the short circuit protection.

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