L292 datasheet(2/12 Pages) STMICROELECTRONICS

2 / 12 page

BLOCK DIAGRAM AND TEST CIRCUIT

Symbol

Parameter

Value

Unit

Rth-j-case

Thermal resistance junction-case

Max

°C/W

THERMAL DATA

2/12

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Supply Voltage

Quiescent Drain Current

Vs = 20 V (offset null)

Vos

Input Offset Voltage (pin 6)

Io = 0

±350

Vinh

Inhibit Low Level (pin 12, 13)

Inhibit High Level (pin 12, 13)

3.2

Iinh

Low Voltage Condition

Vinh(L) = 0.4 V

- 100

µA

High Voltage Conditions

Vinh(H) = 3.2 V

µA

Input Current (pin 6)

Vl = -8.8 V

Vl = +8.8 V

-1.8

0.5

Input Voltage (pin 6)

Rs1 = Rs2 = 0.2

Ω

Io = 2A

9.1

Io = -2A

-9.1

Output Current

Vl =

± 9.8 V Rs1 = Rs2 = 0.2 Ω± 2

Total Drop Out Voltage

(inluding sensing

resistors)

Io = 2 A

Io = 1 A

3.5

VRS

Sensing Rsistor Voltage

Drop

Tj = 150

°C

Io = 2 A

0.44

Transconductance

Rs1 = Rs2 =0.2

Ω

205

220

235

mA/V

Rs1 = Rs2 = 0.4

Ω

120

mA/V

fosc

Frequency Range (pin 10)

KHz

ELECTRICAL CHARACTERISTICS (Vs = 36 V, Tamb = 25

°C, fosc = 20 KHz unless otherwise specified)

L292

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