LB1838M Datasheet, PDF (1/4 Pages) Sanyo Semicon Device – Low-saturation, Bidirectional Motor Driver for Low-voltage Applications

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}
residual voltage; 0.40 V at 400 mA).
. _{Through-current prevention circuit built in}
. _{Separate logic power supply and motor power supply}
. _{Spark killer diodes built in}
. _{Thermal shutdown circuit built in}
. _{Compact package (14-pin MFP)}
SANYO : MFP14S
Specifications
Absolute Maximum Ratings at Ta = 25°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
Conditions
Per channel
Independent IC
* With board
*Note: Mounted on 20 × 30 × 1.5 mm³ glass epoxy PCB
Allowable Operating Ranges at Ta = 25°C
Parameter
Supply voltage
Input high-level voltage
Input low-level voltage
Symbol
V_CC
V_S
V_IH
V_IL
Conditions
Ratings
Unit
–0.3 to +10.5
V
–0.3 to +10.5
V
V_S + V_SF
V
–0.3 to +10
V
1.0
A
550
mW
800
mW
–20 to +75
°C
–40 to +125
°C
Ratings
Unit
2.5 to 9.0
V
1.8 to 9.0
V
1.8 to 9.0
V
–0.3 to +0.7
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