LB11988 [SANYO]
Refrigerator Fan Motor Driver; 冰箱风扇电机驱动器
| 型号： | LB11988 |
| 厂家： | 
SANYO SEMICON DEVICE |
| 描述： | Refrigerator Fan Motor Driver |
| 文件： | 总6页 (文件大小：55K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Ordering number :ENN6211
Monolithic Digital IC
LB11988
Refrigerator Fan Motor Driver
Functions
• Three-phase full-wave current linear drive
• Built-in current limiter circuit
Package Dimensions
unit: mm
3007A-DIP18
• Built-in saturation prevention circuits in both the upper
and lower sides of the output stage.
• FG amplifier
[LB11988]
18
10
• Thermal shutdown circuit
1
9
24.2
1.94 2.54
0.5
1.2
SANYO: DIP18
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
VCCmax
VSmax
IO max
Pdmax
Topr
Conditions
Ratings
Unit
V
24
24
Maximum supply voltage
V
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
1.3
A
Independent IC
1.13
W
°C
°C
–30 to +75
–55 to +150
Tstg
Allowable Operating Ranges at Ta = 25°C
Parameter
Symbol
VS
Conditions
Ratings
5 to 22
Unit
V
Supply voltage
Hall input amplitude
VCC
7 to 22
VHALL
Between Hall inputs
±30 to ±80
mV 0-P
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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
N0999RM (OT) No. 6211-1/6
LB11988
Electrical Characteristics at Ta = 25°C, V = 12 V, V = 12 V
CC
S
Ratings
typ
Parameter
Symbol
ICC
Conditions
Unit
mA
min
max
V
CC current drain
RL = 560 Ω (Y)
15
24
[Output]
I
O = 500 mA, Rf = 0.5 Ω, Sink + Source
(Saturation prevention function included)
O = 1.0 A, Rf = 0 Ω, Sink + Source
(Saturation prevention function included)
V
Osat1
2.1
2.6
2.6
V
Output saturation voltage
I
VOsat
2
3.5
1.0
V
Output leakage current
[Hall Amplifier]
IOleak
mA
Input offset voltage
Input bias current
Common-mode input voltage
[FR]
Voff (HALL)
Ib (HALL)
–6
3
+6
3
mV
µA
V
VIN, WIN
1
Vcm (HALL)
VCC – 3
Threshold voltage
Input bias current
[Current Limiter]
VFRTH
Ib(FR)
4
8
V
–5
µA
Rf = 0.5 Ω,
LIM pin current limit level
[Saturation]
ILIM
1
A
V
With the Hall input logic states fixed (U, V, W = high, high, low)
Saturation prevention circuit
lower side voltage setting
RL = 560 Ω (Y), Rf = 0.5 Ω,
The voltage between each lower output and the corresponding Rf.
VOsat (DET)
0.28
[FG Amplifier]
Upper side output saturation voltage
Lower side output saturation voltage
Hysteresis
Vsatu (SH)
Vsatd (SH)
Vhys
11.8
V
V
0.3
23
mV
°C
TSD operating temperature
T-TSD
Design target value*
170
Note *: Items shown to be design target values in the conditions column are not measured.
Pin Assignment
1
18
17
16
15
14
13
12
11
10
VOUT
UOUT
NC
WOUT
2
3
4
5
6
7
8
9
NC
FGOUT
FR
RF
LB11988
GND
FC
VS
VCC
UI N+
UI N–
VI N+
WI N–
WI N+
VI N–
Top view
No. 6211-2/6
LB11988
Truth Table and Control Functions
Note: The "H" state for FR is defined as a voltage of 8 V or
higher, and the "L" state for FR is defined as a voltage of
4 V or lower. (When VCC = 12 V.)
Hall input
Source → sink
FR
U
H
V
W
L
V → W
W → V
U → W
W → U
U → V
V → U
W → V
V → W
W → U
U → W
V → U
U → V
H
L
1
2
3
4
5
6
H
Note: For the Hall inputs, the input high state is defined to be the
state where the (+) input is higher than the corresponding
(–) input by 0.01 V or higher, and the input low state is
defined to be the state where the (+) input is lower than
the corresponding (–) input by 0.01 V or higher.
H
L
H
H
L
L
L
L
H
H
H
L
H
L
H
L
L
H
L
L
H
H
Note: Since this drive technique is a 180° current application
scheme, the phases other than the sink and the source
phases will not turn off.
H
L
L
Pin Functions
Pin No.
5
Pin
Function
Ground for circuits other than the output transistors.
GND
Note that the Rf pin will be at the lowest potential of the output transistors.
3
4
FG-OUT
FR
This is the FG amplifier output pin. Internally, it is a resistive load.
Forward/reverse switching pin
6
FC
Corrects the frequency characteristics of the saturation prevention circuit loop and current limiter circuit.
U-phase Hall input. Logic high refers to the state where IN+ > IN–.
V-phase Hall input. Logic high refers to the state where IN+ > IN–.
W-phase Hall input. Logic high refers to the state where IN+ > IN–.
7, 8
9, 10
11, 12
UIN+, UIN–
VIN+, VIN
–
WIN+, WIN
–
Power supply provided to all IC internal circuits other than the output block.
This voltage must be stabilized so that ripple and noise do not enter the IC.
13
14
VCC
VS
Output block power supply
Used for output current detection. The current limiter circuit operates using the resistor (Rf) connected between
this pin and ground.
Note that the lower side saturation prevention circuit operates according to the voltage that appears on this pin.
Since the over-saturation level is set by this voltage, the response of the lower side saturation prevention circuit
may be degraded in the large current region if the value of Rf is made extremely small.
15
Rf
17
18
1
UOUT
VOUT
WOUT
U-phase Hall output
V-phase Hall output
W-phase Hall output
(These pins include internal spark killer diodes.)
No. 6211-3/6
LB11988
Equivalent Circuit Diagrams
Pin
Equivalent circuit diagrams
Input (+)
200 Ω
Input (–)
UIN (+)
UIN (–)
VIN (+)
VIN (–)
WIN (+)
WIN (–)
200 Ω
100 µA
Vs
Vcc
150 µA
Output
UOUT
VOUT
WOUT
RF
Lower side oversaturation
prevention circuit input block.
200 Ω
VS
30 kΩ
RF
Vcc
200 µA
FR
200 Ω
FR
1/2 Vcc
Vcc
FC
10 kΩ
FC
Vcc
Vcc
10 kΩ
5 kΩ
300 Ω
FGOUT
FGOUT
No. 6211-4/6
LB11988
Block Diagram
Logarithmic conversion and differential
distribution
Synthesized output logarithmic compression
block
Hall input synthesis block (linear matrix)
No. 6211-5/6
LB11988
Specifications of any and all SANYO 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’s products or equipment.
SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all
semiconductor products fail with some probability. It is possible that these probabilistic failures could
give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,
or that could cause damage to other property. When designing equipment, adopt safety measures so
that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective
circuits and error prevention circuits for safe design, redundant design, and structural design.
In the event that any or all SANYO products (including technical data, services) described or contained
herein are controlled under any of applicable local export control laws and regulations, such products must
not be exported without obtaining the export license from the authorities concerned in accordance with the
above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, or any information storage or retrieval system,
or otherwise, without the prior written permission of SANYO Electric Co., Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the “Delivery Specification”
for the SANYO product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not
guaranteed for volume production. 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 November, 1999. Specifications and information herein are
subject to change without notice.
PS No.6211-6/6
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