Ordering number: EN3949C
Monolithic Digital IC
LB1838M
Low-saturation, Bidirectional Motor Driver
for Low-voltage Applications
Overview
The LB1838M is a low-saturation two-channel bidirectional
motor driver IC for use in low-voltage applications.
The LB1838M is a bipolar stepper-motor driver IC that is ideal
for use in printers, FDDs, cameras and other portable devices.
Package Dimensions
unit : mm
3111-MFP14S
[LB1838M]
Features
.
Low voltage operation (2.5 V min)
.
Low saturation voltage (upper transistor + lower transistor
0.40 V at
.
residual voltage; prevention400 mA). in
built
.
Through-current supplycircuitmotor power supply
.
Separate logic power in and
built
.
Spark killer diodes circuit built in
.
Thermal shutdown(14-pin MFP)
Compact package
SANYO : MFP14S
Specifications
Absolute Maximum Ratings
at Ta = 25擄C
Parameter
Maximum supply voltage
Output applied voltage
Input applied voltage
Ground pin flow-out current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
max
V
S
max
V
OUT
V
IN
IGND
Pd max1
Pd max2
Topr
Tstg
Per channel
Independent IC
*
With board
Conditions
Ratings
鈥?.3 to +10.5
鈥?.3 to +10.5
V
S
+ V
SF
鈥?.3 to +10
1.0
550
800
鈥?0 to +75
鈥?0 to +125
Unit
V
V
V
V
A
mW
mW
擄C
擄C
*Note: Mounted on 20
脳
30
脳
1.5 mm
3
glass epoxy PCB
Allowable Operating Ranges
at Ta = 25擄C
Parameter
Supply voltage
Input high-level voltage
Input low-level voltage
Symbol
V
CC
V
S
V
IH
V
IL
Conditions
Ratings
2.5 to 9.0
1.8 to 9.0
1.8 to 9.0
鈥?.3 to +0.7
Unit
V
V
V
V
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
21097HA(II)/O1596HA(II)/4302TS(US) No.3949-1/4