3/7

L295

APPLICATION CIRCUIT

D2, D4 = 2A High speed diodes trr

≤ 200 ns

D1, D3 = 1A High speed diodes trr

≤ 200 ns

R1 = R2 = 2W

L1 = L2 = 5 mH

FUNCTIONAL DESCRIPTION

The L295 incorporates two indipendent driver channals with separate inputs and outputs, each capable of

driving an inductive load (see block diagram). The device is controlled by three micriprocessor compatible

digital inputs and two analog inputs.

Enable Input Voltage

Low

High

-0.3

2.2

0.8

7

V

V

Input Current

-100

10

µA

µA

Enable Input Current

-100

10

µA

µA

Input Reference Voltage

0.2

2

V

Input Reference Voltage

-5

µA

Oscillator Frequency

C = 3.9 nF; R = 9.1 K

Ω

25

46

KHz

Transconductance (each ch.)

1.9

2

2.1

A/V

Input Reference Voltage

0.2

2

V

Input Reference Voltage

0.2

2

V

Total Output Voltage

(each channel) (*)

2.8

3.6

V

External sensing resistors voltage

drop

2V

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

L1

R1

R3

9.1K

L2

R2

0.5

Ω

2

8

13

12

11

1

3

14

10

15

D2

D4

C1

0.1

µF

C3

3.9nF

D3

C2

0.1

µF

C4

220

µF

D1

9

0.5

Ω

4

5

76

EN

D03IN1501

ELECTRICAL CHARACTERISTCS (continued)