
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
D2607 MS PC 20060201-S00001/N2206/D1504TN(OT)/81004TN(OT) No.7947-1/13
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