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LB11948T-TLM-E Scheda tecnica(PDF) 1 Page - ON Semiconductor

Il numero della parte LB11948T-TLM-E
Spiegazioni elettronici  PWM Constant Current Control 1-2 Phase Excitation Stepping Motor Driver
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D2607 MS PC 20060201-S00001/N2206/D1504TN(OT)/81004TN(OT) No.7947-1/13
http://onsemi.com
Semiconductor Components Industries, LLC, 2013
June, 2013
LB11948T
Overview
The LB11948T is a low saturation voltage output PWM current control bipolar drive stepping motor driver. It is
optimal for use as the driver for the miniature low-voltage stepping motors used in portable electronic equipment such
as portable thermal printers.
Features
• PWM current control (external excitation)
• Simultaneous on state prevention function (through current prevention)
• Thermal shutdown circuit
• Noise canceller function
• Low-power mode control pin
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VS supply voltage
VS
-0.3 to
+18
V
Logic system supply voltage
VCC
-0.3 to
+18
V
Peak output current
IO peak
tW
≤ 20μS
0.5
A
Continuous output current
IO max
0.4
A
Emitter output voltage
VE
1.0
V
Input voltage
VIN
-0.3 to VCC
V
Allowable power dissipation
Pd max
Mounted on the specified PCB*
1.2
W
Operating temperature
Topg
-20 to
+85
°C
Storage temperature
Tstg
-40 to
+150
°C
Note * : Specified PCB : 114.3
×76.1×1.6mm
Monolithic Digital IC
PWM Constant Current Control 1-2
Phase Excitation Stepping Motor
Driver
Ordering number : EN7947B
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.


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