L292(1993) 查看數據表（PDF） - STMicroelectronics

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L292
(Rev.:1993)

SWITCH-MODE DRIVER FOR DC MOTORS

STMicroelectronics 

L292

THERMAL DATA

Symbol

Rth-j-case

Parameter

Thermal resistance junction-case

Value

Unit

Max

3

°C/W

ELECTRICAL CHARACTERISTICS (Vs = 36 V, Tamb = 25 °C, fosc = 20 KHz unless otherwise specified)

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

Vs Supply Voltage

Id Quiescent Drain Current

Vos Input Offset Voltage (pin 6)

Vinh Inhibit Low Level (pin 12, 13)

Inhibit High Level (pin 12, 13)

Vs = 20 V (offset null)

Io = 0

18

36

V

30

50

mA

±350 mV

2

V

3.2

V

Iinh Low Voltage Condition

High Voltage Conditions

Ii Input Current (pin 6)

Vi Input Voltage (pin 6)

Io Output Current

VD Total Drop Out Voltage

Vinh(L) = 0.4 V

Vinh(H) = 3.2 V

Vl = -8.8 V

Vl = +8.8 V

Rs1 = Rs2 = 0.2Ω Io = 2A

Io = -2A

Vl = ± 9.8 V Rs1 = Rs2 = 0.2 Ω

(inluding sensing Io = 2 A

resistors)

- 100 µA

10

µA

-1.8 mA

0.5 mA

9.1

V

-9.1

V

±2

A

5

V

VRS

Sensing Rsistor Voltage

Drop

Tj = 150°C

Io = 1 A

Io = 2 A

3.5

V

0.44

V

Io Transconductance

Vi

fosc Frequency Range (pin 10)

Rs1 = Rs2 =0.2Ω

Rs1 = Rs2 = 0.4Ω

205 220 235 mA/V

120

mA/V

1

30 KHz

BLOCK DIAGRAM AND TEST CIRCUIT

2/12

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