Ordering number : EN5657
Monolithic Digital IC
LB1862M
Single-Phase Full-Wave Driver for Fan Motors
Overview
The LB1862M is a single-phase full-wave driver provided
in a miniature package that is optimal for driving
miniature fans such as CPU cooling fans. It provides
motor drive with low switching noise and high efficiency.
Package Dimensions
unit: mm
3086A-MFP10S
[LB1862M]
Functions
鈥?Supports both 5- and 12-V power supplies.
鈥?Allows the use of reverse connection prevention diodes
by including a regeneration circuit on chip.
鈥?On-chip Hall amplifier with hysteresis characteristics
(Supports commutator-free cores.)
鈥?Lock protection and automatic recovery circuits
鈥?Lock detection pin
(Latch type 鈥?Low: drive, High: stopped)
鈥?Supports low current drain in standby mode by
providing a Hall bias pin and a start/stop pin.
鈥?Thermal shutdown circuit
SANYO: MFP10S
Specifications
Absolute Maximum Ratings
at Ta = 25擄C
Parameter
Supply voltage
Output current
Output voltage
RD output voltage
RD output current
HB output current
ST input voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
max
I
OUT
max
V
OUT
max
V
R
max
I
R
max
I
B
max
V
ST
max
Pd max
Topr
Tstg
When mounted on the specified board
*
Conditions
Ratings
17
0.5
15
15
5
10
15
850
鈥?0 to +75
鈥?5 to +150
Unit
V
A
V
V
mA
mA
V
mW
擄C
擄C
Note:
*
Specified board: 114.3
脳
76.2
脳
1.5 mm epoxy glass laminate board
Allowable Operating Ranges
at Ta = 25擄C
Parameter
Supply voltage
ST input high-level voltage
ST input low-level voltage
Hall input
common-mode input voltage range
Symbol
V
CC
ST
H
ST
L
V
ICM
Conditions
Ratings
3.8 to 16.8
3 to 14
鈥?.3 to +0.4
0.2 to V
CC
鈥?.5
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
73097HA(OT) No. 5657-1/6
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