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STMicroelectronics Electronic Components Datasheet

L295 Datasheet

DUAL SWITCH-MODE SOLENOID DRIVER

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L295
DUAL SWITCH-MODE SOLENOID DRIVER
HIGH CURRENT CAPABILITY (up to 2.5A per
channel)
HIGH VOLTAGE OPERATION (up to 46V for
power stage)
HIGH EFFICIENCY SWITCHMODE OPERATION
REGULATED OUTPUT CURRENT (adjustable)
FEW EXTERNAL COMPONENTS
SEPARATE LOGIC SUPPLY
THERMAL PROTECTION
DESCRIPTION
The L295 is a monolithic integrated circuit in a 15 -
lead Multiwatt ® package; it incorporates all the
functions for direct interfacing between digital cir-
cuitry and inductive loads. The L295 is designed to
accept standard microprocessor logic levels at the
inputs and can drive 2 solenoids. The output current
is completely controlled by means of a switch-
ABSOLUTE MAXIMUM RATINGS
Symbol
Vs
Vss
VEN, Vi
Vref
Io
Ptot
Tstg, Tj
Parameter
Supply voltage
Logic supply voltage
Enable and input voltage
Reference voltage
Peak output current (each channel)
- non repetitive (t = 100 µsec)
- repetitive (80% on - 20% off; Ton = 10 ms)
- DC operation
Total power dissipation (at Tcase = 75 °C
Storage and junction temperature
APPLICATION CIRCUIT
PRELIMINARY DATA
Multiwatt 15
ORDER CODE : L295
ing technique allowing very efficient operation.
Furthermore, it includes an enable input and dual
supplies (for interfacing with peripherals running at
a higher voltage than the logic).
The L295 is particularly suitable for applications
such as hammer driving in matrix printers, step
motor driving and electromagnet controllers.
Value
50
12
7
7
3
2.5
2
25
- 40 to 150
Unit
V
V
V
V
A
A
A
W
°C
March 1993
1/8


STMicroelectronics Electronic Components Datasheet

L295 Datasheet

DUAL SWITCH-MODE SOLENOID DRIVER

No Preview Available !

L295
CONNECTION DIAGRAM (top view)
BLOCK DIAGRAM
THERMAL DATA
Symbol
Rth-j-case
Rth-j-amb
Parameter
Thermal resistance junction-case
Thermal resistance junction-ambient
2/8
Value
max 3
max 35
Unit
°C/W
°C/W


Part Number L295
Description DUAL SWITCH-MODE SOLENOID DRIVER
Maker STMicroelectronics
Total Page 8 Pages
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