L294 STMicroelectronics, L294 Datasheet

IC DRVR SWITCH 11MULTIWATT

L294

Manufacturer Part Number
L294
Description
IC DRVR SWITCH 11MULTIWATT
Manufacturer
STMicroelectronics
Datasheet

Specifications of L294

Applications
DC Motor Driver
Number Of Outputs
1
Current - Output
4.5A
Voltage - Supply
12 V ~ 46 V
Operating Temperature
-40°C ~ 150°C
Mounting Type
Through Hole
Package / Case
Multiwatt-11 (Vertical, Bent and Staggered Leads)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Load
-
Other names
497-2938-5

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L294
Manufacturer:
ST
Quantity:
5 510
Part Number:
L294
Manufacturer:
ST
0
Part Number:
L294
Manufacturer:
ST
Quantity:
20 000
Part Number:
L2941M
Manufacturer:
ST
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Part Number:
L2941R
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ST
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Part Number:
L294D
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ST
Quantity:
5 510
Part Number:
L294D
Manufacturer:
INF
Quantity:
5 510
Part Number:
L294N
Manufacturer:
ST
0
DESCRIPTION
The L294 is a monolithic switched mode solenoid
driver designed for fast, high current applications
such as hummer and needle driving in printers and
electronic typewriters. Power dissipation is reduced
by efficient switchmode operation. An extra
BLOCK DIAGRAM
September 2003
HIGH VOLTAGE OPERATION (UP TO 50V)
HIGH OUTPUT CURRENT CAPABILITY (UP TO 4A)
LOW SATURATION VOLTAGE
TTL-COMPATIBLE INPUT
OUTPUT SHORT CIRCUIT PROTECTION (TO
GROUND, TO SUPPLY AND ACROSS THE
LOAD)
THERMAL SHUTDOWN
OVERDRIVING PROTECTION
LATCHED DIAGNOSTIC OUTPUT
®
SWITCH-MODE SOLENOID DRIVER
feature of the L294 is a latched diagnostic output
which indicates when the output is short circuited.
The L294 is supplied in a 11-lead Multiwatt® plas-
tic power package.
ORDER CODE : L294
Multiwatt 11
L294
1/8

Related parts for L294

L294 Summary of contents

Page 1

... An extra BLOCK DIAGRAM September 2003 SWITCH-MODE SOLENOID DRIVER ORDER CODE : L294 feature of the L294 is a latched diagnostic output which indicates when the output is short circuited. The L294 is supplied in a 11-lead Multiwatt® plas- tic power package. L294 Multiwatt 11 1/8 ...

Page 2

... L294 ABSOLUTE MAXIMUM RATING Symbol V Power Supply Voltage s V Logic Supply Voltage SS V Enable Voltage EN I Peak Output Current (repetitive Total Power Dissipation (at T tot Storage and Junction Temperature stg j CONNECTION DIAGRAM (top view) THERMAL DATA Symbol Rth-j-case Thermal resistance junction-case ...

Page 3

... DIAG Output at High Impedance Operating Output Non-operative Output V 0. 0.45V i Low Level High Level ENABLE ENABLE ENABLE DIAG V = 40V DIAG V = 100 to 800 mV pin 10 L294 = 5V unless ss amb Min. Typ. Max. Unit 4 100 A 0 -0.3 0.8 V 2.4 -100 A 100 0.95 1 1.05 A/V 0. ...

Page 4

... V p lower than 450 mV the i greater than 600 mV, the L294 has a tran- = 0.2 . For V s (pin 4). The DIAG signal is reset and ss as shown i in the output s ...

Page 5

... Figure 1. Output Current Waveforms. Figure 2. Test and Typical Application Circuit fast diode } trr 200 ns Figure 3. Peak Output Current vs. Input Voltage. Figure 4. Output Saturation Voltage vs. Peak Output Current. L294 5/8 ...

Page 6

... L294 Figure 5. Safe Operating Areas. CALCULATION OF THE SWITCHING TIMES Referring to the block diagram and to the waveforms of fig possible to calculate the switching times by means of the following relationships ... ... Note that the time interval frequency is always : In the case a) the main regulation loop is always closed and it forces : ...

Page 7

... TYP. MAX. MECHANICAL DATA 0.197 0.104 0.063 0.039 0.022 0.037 0.067 0.077 0.669 0.679 0.795 0.874 0.886 0.87 0.886 0.713 0.689 0.699 0.421 0.429 0.114 0.179 0.191 0.200 0.214 0.102 0.102 0.152 OUTLINE AND Multiwatt11 V L294 7/8 ...

Page 8

... L294 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...

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