LB11988N Sanyo Semiconductor Corporation, LB11988N Datasheet

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LB11988N

Manufacturer Part Number
LB11988N
Description
Manufacturer
Sanyo Semiconductor Corporation
Datasheet

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Part Number:
LB11988N
Quantity:
10
Ordering number : ENN7118
Overview
The LB11988N is a fan motor driver IC that is optimal for
driving the fans used in refrigerators.
Functions
• Three-phase full-wave current linear drive
• Built-in current control circuit
• Output stage high side and low side saturation
• Forward/reverse direction setting circuit
• Built-in FG comparator
• Thermal shutdown circuit
Specifications
Absolute Maximum Ratings at Ta = 25°C
Allowable Operating Ranges at Ta = 25°C
Maximum supply voltage
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
Supply voltage
Hall input amplitude
prevention circuit
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Parameter
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
Parameter
SANYO Electric Co.,Ltd. Semiconductor Company
V
S
Symbol
conditions
V
V
V
Symbol
V
Pd max
I
HALL
V
CC
O
S
Topr
CC
Tstg
S
max
max
max
Independent IC
Between the Hall inputs
Fan Motor Driver for Refrigerator Fans
Package Dimensions
unit: mm
3007B-DIP18 (300 mil)
(1.84)
Conditions
Conditions
18
1
2.54
0.5
24.0
[LB11988N]
1.2
SANYO: DIP18 (300 mil)
90503TN (OT) No. 7118-1/6
10
9
Monolithic Digital IC
LB11988N
–55 to +150
±30 to ±80
–30 to +75
Ratings
Ratings
V
S
5 to 22
7 to 22
≤ V
1.13
1.3
CC
24
24
mVo-p
Unit
Unit
°C
°C
W
V
V
A
V

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LB11988N Summary of contents

Page 1

... Ordering number : ENN7118 Overview The LB11988N is a fan motor driver IC that is optimal for driving the fans used in refrigerators. Functions • Three-phase full-wave current linear drive • Built-in current control circuit • Output stage high side and low side saturation prevention circuit • ...

Page 2

... LIM pin current limiter level [Saturation] Saturation prevention circuit low side voltage setting [FG comparator] Hysteresis Thermal shutdown circuit operating temperature *: This is a design target value and is not measured. LB11988N = Symbol Conditions I V open 500 mA 0.5 Ω, ...

Page 3

... Note: Since this drive system adopts a 180° current application technique phases other than the sink and source phase will not necessarily the off state Pin function (Spark killer diodes are built in the output circuits.) LB11988N is 12 V). CC Top view No. 7118-3/6 ...

Page 4

... IN U (–) IN (+) input V (+) IN V (– (+) IN W (–) IN U-OUT V-OUT W-OUT OUT LB11988N I/O equivalent circuit 200 Output Off state control circuit 200 (–) input 200 Low side saturation prevention circuit input block 200 FC ...

Page 5

... Block Diagram Inverse logarithmic conversion and differential distribution Synthesized output logarithmic compression block Hall input synthesis block (linear matrix) LB11988N No. 7118-5/6 ...

Page 6

... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of September, 2003. Specifications and information herein are subject to change without notice. LB11988N PS No. 7118-6/6 ...

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