TI1 LM56 Dual output low power thermostat Datasheet

LM56
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SNIS120G – APRIL 2000 – REVISED FEBRUARY 2013
LM56 Dual Output Low Power Thermostat
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FEATURES
DESCRIPTION
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The LM56 is a precision low power thermostat. Two
stable temperature trip points (VT1 and VT2) are
generated by dividing down the LM56 1.250V
bandgap voltage reference using 3 external resistors.
The LM56 has two digital outputs. OUT1 goes LOW
when the temperature exceeds T1 and goes HIGH
when the the temperature goes below (T1–THYST).
Similarly, OUT2 goes LOW when the temperature
exceeds T2 and goes HIGH when the temperature
goes below (T2–THYST). THYST is an internally set 5°C
typical hysteresis.
1
2
Digital Outputs Support TTL Logic Levels
Internal Temperature Sensor
2 Internal Comparators with Hysteresis
Internal Voltage Reference
Available in 8-pin SOIC and VSSOP Packages
APPLICATIONS
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Microprocessor Thermal Management
Appliances
Portable Battery Powered 3.0V or 5V Systems
Fan Control
Industrial Process Control
HVAC Systems
Remote Temperature Sensing
Electronic System Protection
The LM56 is available in an 8-lead VSSOP surface
mount package and an 8-lead SOIC.
Table 1. Key Specifications
VALUE
UNIT
Power Supply Voltage
2.7V–10
V
Power Supply Current
230
μA (max)
1.250
V ±1% (max)
5
°C
(+6.20 mV/°C x T) +
395 mV
mV
VREF
Hysteresis Temperature
Internal Temperature Sensor Output Voltage
Table 2. Temperature Trip Point Accuracy
LM56BIM
LM56CIM
+25°C
±2°C (max)
±3°C (max)
+25°C to +85°C
±2°C (max)
±3°C (max)
−40°C to +125°C
±3°C (max)
±4°C (max)
1
2
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2000–2013, Texas Instruments Incorporated
LM56
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Simplified Block Diagram and Connection Diagram
Block Diagram
Typical Application
VT1 = 1.250V x (R1)/(R1 + R2 + R3)
VT2 = 1.250V x (R1 + R2)/(R1 + R2 + R3)
where:
(R1 + R2 + R3) = 27 kΩ and
VT1 or T2 = [6.20 mV/°C x T] + 395 mV therefore:
R1 = VT1/(1.25V) x 27 kΩ
R2 = (VT2/(1.25V) x 27 kΩ) − R1
R3 = 27 kΩ − R1 − R2
Figure 1. Microprocessor Thermal Management
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
2
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Absolute Maximum Ratings (1)
Input Voltage
12V
Input Current at any pin (2)
5 mA
Package Input Current (2)
20 mA
Package Dissipation at TA = 25°C (3)
900 mW
Human Body Model - Pin 3 Only
800V
All other pins
ESD Susceptibility (4)
1000V
Machine Model
125V
−65°C to + 150°C
Storage Temperature
(1)
(2)
(3)
(4)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see
the LM56 Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance
characteristics may degrade when the device is not operated under the listed test conditions.
When the input voltage (VI) at any pin exceeds the power supply (VI < GND or VI > V+), the current at that pin should be limited to 5 mA.
The 20 mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input
current of 5 mA to four.
The maximum power dissipation must be derated at elevated temperatures and is dictated by TJmax (maximum junction temperature),
θJA (junction to ambient thermal resistance) and TA (ambient temperature). The maximum allowable power dissipation at any
temperature is PD = (TJmax–TA)/θJA or the number given in the Absolute Maximum Ratings, whichever is lower. For this device, TJmax =
125°C. For this device the typical thermal resistance (θJA) of the different package types when board mounted follow:
The human body model is a 100 pF capacitor discharge through a 1.5 kΩ resistor into each pin. The machine model is a 200 pF
capacitor discharged directly into each pin.
Operating Ratings (1) (2) (3)
TMIN ≤ TA ≤ TMAX
Operating Temperature Range
−40°C ≤ TA ≤ +125°C
LM56BIM, LM56CIM
Positive Supply Voltage (V+)
+2.7V to +10V
Maximum VOUT1 and VOUT2
(1)
(2)
(3)
+10V
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see
the LM56 Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance
characteristics may degrade when the device is not operated under the listed test conditions.
Soldering process must comply with Reflow Temperature Profile specifications. Refer to http://www.ti.com/packaging.
Reflow temperature profiles are different for lead-free and non-lead-free packages.
Package Type
θJA
D0008A
110°C/W
DGK0008A
250°C/W
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LM56 Electrical Characteristics
The following specifications apply for V+ = 2.7 VDC, and VREF load current = 50 μA unless otherwise specified. Boldface limits
apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25°C unless otherwise specified.
Symbol
Parameter
Conditions
Typical (1)
LM56BIM
Limits (2)
LM56CIM
Limits (2)
Units (Limits)
Temperature Sensor
Trip Point Accuracy (Includes VREF,
Comparator Offset, and Temperature
Sensitivity errors)
Trip Point Hysteresis
±2
±3
°C (max)
+25°C ≤ TA ≤ +85°C
±2
±3
°C (max)
−40°C ≤ TA ≤ +125°C
±3
±4
°C (max)
3
3
°C (min)
6
6
°C (max)
3.5
3.5
°C (min)
6.5
6.5
°C (max)
4.5
4.5
°C (min)
7.5
7.5
°C (max)
4
4
°C (min)
8
8
°C (max)
±2
±3
°C (max)
±3
±4
°C (max)
1500
1500
TA = −40°C
4
TA = +25°C
5
TA = +85°C
6
TA = +125°C
Internal Temperature Sensitivity
6
+6.20
mV/°C
Temperature Sensitivity Error
Output Impedance
−1 μA ≤ IL ≤ +40 μA
Line Regulation
+3.0V ≤ V+ ≤ +10V,
+25 °C ≤ TA ≤ +85 °C
–0.72/+0.3 –0.72/+0.3
6
6
mV/V (max)
+3.0V ≤ V+ ≤ +10V,
−40 °C ≤ TA <25 °C
–1.14/+0.6 –1.14/+0.6
1
1
mV/V (max)
+2.7V ≤ V+ ≤ +3.3V
Ω (max)
±2.3
±2.3
mV (max)
300
300
nA (max)
VT1 and VT2 Analog Inputs
IBIAS
Analog Input Bias Current
VIN
Analog Input Voltage Range
VOS
Comparator Offset
150
V+ − 1
V
GND
2
V
8
8
mV (max)
±1
±1
% (max)
±12.5
±12.5
mV (max)
0.25
0.25
mV/V (max)
VREF Output
VREF
VREF Nominal
1.250V
VREF Error
ΔVREF/ΔV+
ΔVREF/ΔIL
(1)
(2)
Line Regulation
Load Regulation Sourcing
+3.0V ≤ V+ ≤ +10V
0.13
+2.7V ≤ V+ ≤ +3.3V
0.15
+30 μA ≤ IL ≤ +50 μA
V
1.1
1.1
mV (max)
0.15
0.15
mV/μA (max)
Typicals are at TJ = TA = 25°C and represent most likely parametric norm.
Limits are guaranteed to TI's AOQL (Average Outgoing Quality Level).
Symbol
Limits (2)
Units (Limits)
230
μA (max)
V = +2.7V
230
μA (max)
1
μA (max)
0.4
V (max)
Parameter
Conditions
Typical (1)
+
V Power Supply
IS
Supply Current
V+ = +10V
+
Digital Outputs
IOUT(“1”)
Logical “1” Output Leakage Current
V+ = +5.0V
VOUT(“0”)
Logical “0” Output Voltage
IOUT = +50 μA
(1)
(2)
4
Typicals are at TJ = TA = 25°C and represent most likely parametric norm.
Limits are guaranteed to TI's AOQL (Average Outgoing Quality Level).
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Typical Performance Characteristics
Quiescent Current
vs
Temperature
VREF Output Voltage
vs
Load Current
Figure 2.
Figure 3.
OUT1 and OUT2 Voltage Levels
vs
Load Current
Trip Point Hysteresis
vs
Temperature
Figure 4.
Figure 5.
Temperature Sensor Output Voltage
vs
Temperature
Temperature Sensor Output Accuracy
vs
Temperature
Figure 6.
Figure 7.
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Typical Performance Characteristics (continued)
6
Trip Point Accuracy
vs
Temperature
Comparator Bias Current
vs
Temperature
Figure 8.
Figure 9.
OUT1 and OUT2 Leakage Current
vs
Temperature
VTEMP Output Line Regulation
vs
Temperature
Figure 10.
Figure 11.
VREF Start-Up Response
VTEMP Start-Up Response
Figure 12.
Figure 13.
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FUNCTIONAL DESCRIPTION
Pin Functions
V+
This is the positive supply voltage pin. This pin should be bypassed with a 0.1 µF capacitor to ground.
GND
This is the ground pin.
VREF
This is the 1.250V bandgap voltage reference output pin. In order to maintain trip point accuracy this pin
should source a 50 µA load.
VTEMP
This is the temperature sensor output pin.
OUT1
This is an open collector digital output. OUT1 is active LOW. It goes LOW when the temperature is greater
than T1 and goes HIGH when the temperature drops below T1– 5°C. This output is not intended to directly
drive a fan motor.
OUT2
This is an open collector digital output. OUT2 is active LOW. It goes LOW when the temperature is greater
than the T2 set point and goes HIGH when the temperature is less than T2– 5°C. This output is not intended to
directly drive a fan motor.
VT1
This is the input pin for the temperature trip point voltage for OUT1.
VT2
This is the input pin for the low temperature trip point voltage for OUT2.
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VT1 = 1.250V x (R1)/(R1 + R2 + R3)
VT2 = 1.250V x (R1 + R2)/(R1 + R2 + R3)
where:
(R1 + R2 + R3) = 27 kΩ and
VT1 or T2 = [6.20 mV/°C x T] + 395 mV therefore:
R1 = VT1/(1.25V) x 27 kΩ
R2 = (VT2/(1.25V) x 27 k)Ω–R1
R3 = 27 kΩ − R1 − R2
Application Hints
LM56 TRIP POINT ACCURACY SPECIFICATION
For simplicity the following is an analysis of the trip point accuracy using the single output configuration shown in
Figure 14 with a set point of 82°C.
Trip Point Error Voltage = VTPE,
Comparator Offset Error for VT1E
Temperature Sensor Error = VTSE
Reference Output Error = VRE
Figure 14. Single Output Configuration
8
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1. VTPE = ±VT1E − VTSE + VRE
Where:
2. VT1E = ±8 mV (max)
3. VTSE = (6.20 mV/°C) x (±3°C) = ±18.6 mV
4. VRE = 1.250V x (±0.01) R2/(R1 + R2)
Using Equations from Figure 1.
VT1= 1.25V x R2/(R1 + R2) = 6.20 mV/°C)(82°C) + 395 mV
Solving for R2/(R1 + R2) = 0.7227
then,
5. VRE = 1.250V x (±0.01) R2/(R1 + R2) = (0.0125) x (0.7227) = ±9.03 mV
The individual errors do not add algebraically because, the odds of all the errors being at their extremes are rare.
This is proven by the fact the specification for the trip point accuracy stated in the LM56 Electrical Characteristics
for the temperature range of −40°C to +125°C, for example, is specified at ±3°C for the LM56BIM. Note this trip
point error specification does not include any error introduced by the tolerance of the actual resistors used, nor
any error introduced by power supply variation.
If the resistors have a ±0.5% tolerance, an additional error of ±0.4°C will be introduced. This error will increase to
±0.8°C when both external resistors have a ±1% tolerance.
BIAS CURRENT EFFECT ON TRIP POINT ACCURACY
Bias current for the comparator inputs is 300 nA (max) each, over the specified temperature range and will not
introduce considerable error if the sum of the resistor values are kept to about 27 kΩ as shown in the typical
application of Figure 1. This bias current of one comparator input will not flow if the temperature is well below the
trip point level. As the temperature approaches trip point level the bias current will start to flow into the resistor
network. When the temperature sensor output is equal to the trip point level the bias current will be 150 nA
(max). Once the temperature is well above the trip point level the bias current will be 300 nA (max). Therefore,
the first trip point will be affected by 150 nA of bias current. The leakage current is very small when the
comparator input transistor of the different pair is off (see Figure 15).
The effect of the bias current on the first trip point can be defined by the following equations:
(1)
where IB = 300 nA (the maximum specified error).
The effect of the bias current on the second trip point can be defined by the following equations:
(2)
where IB = 300 nA (the maximum specified error).
The closer the two trip points are to each other the more significant the error is. Worst case would be when VT1 =
VT2 = VREF/2.
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Figure 15. Simplified Schematic
MOUNTING CONSIDERATIONS
The majority of the temperature that the LM56 is measuring is the temperature of its leads. Therefore, when the
LM56 is placed on a printed circuit board, it is not sensing the temperature of the ambient air. It is actually
sensing the temperature difference of the air and the lands and printed circuit board that the leads are attached
to. The most accurate temperature sensing is obtained when the ambient temperature is equivalent to the
LM56's lead temperature.
As with any IC, the LM56 and accompanying wiring and circuits must be kept insulated and dry, to avoid leakage
and corrosion. This is especially true if the circuit operates at cold temperatures where condensation can occur.
Printed-circuit coatings are often used to ensure that moisture cannot corrode the LM56 or its connections.
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VREF AND VTEMP CAPACITIVE LOADING
Figure 16. Loading of VREF and VTEMP
The LM56 VREF and VTEMP outputs handle capacitive loading well. Without any special precautions, these outputs
can drive any capacitive load as shown in Figure 16.
NOISY ENVIRONMENTS
Over the specified temperature range the LM56 VTEMPoutput has a maximum output impedance of 1500Ω. In an
extremely noisy environment it may be necessary to add some filtering to minimize noise pickup. It is
recommended that 0.1 μF be added from V+ to GND to bypass the power supply voltage, as shown in Figure 16.
In a noisy environment it may be necessary to add a capacitor from the VTEMP output to ground. A 1 μF output
capacitor with the 1500Ω output impedance will form a 106 Hz lowpass filter. Since the thermal time constant of
the VTEMP output is much slower than the 9.4 ms time constant formed by the RC, the overall response time of
the VTEMP output will not be significantly affected. For much larger capacitors this additional time lag will increase
the overall response time of the LM56.
APPLICATIONS CIRCUITS
Figure 17. Reducing Errors Caused by Bias Current
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The circuit shown in Figure 17 will reduce the effective bias current error for VT2 as discussed in Section 3.0 to
be equivalent to the error term of VT1. For this circuit the effect of the bias current on the first trip point can be
defined by the following equations:
(3)
where IB = 300 nA (the maximum specified error).
Similarly, bias current affect on VT2 can be defined by:
(4)
where IB = 300 nA (the maximum specified error).
The current shown in Figure 18 is a simple overtemperature detector for power devices. In this example, an
audio power amplifier IC is bolted to a heat sink and an LM56 Celsius temperature sensor is mounted on a PC
board that is bolted to the heat sink near the power amplifier. To ensure that the sensing element is at the same
temperature as the heat sink, the sensor's leads are mounted to pads that have feed throughs to the back side of
the PC board. Since the LM56 is sensing the temperature of the actual PC board the back side of the PC board
also has large ground plane to help conduct the heat to the device. The comparator's output goes low if the heat
sink temperature rises above a threshold set by R1, R2, and the voltage reference. This fault detection output
from the comparator now can be used to turn on a cooling fan. The circuit as shown in design to turn the fan on
when heat sink temperature exceeds about 80°C, and to turn the fan off when the heat sink temperature falls
below approximately 75°C.
Figure 18. Audio Power Amplifier Overtemperature Detector
12
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Figure 19. Simple Thermostat
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REVISION HISTORY
Changes from Revision F (February 2013) to Revision G
•
14
Page
Changed layout of National Data Sheet to TI format .......................................................................................................... 13
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PACKAGE OPTION ADDENDUM
www.ti.com
27-Jul-2016
PACKAGING INFORMATION
Orderable Device
Status
(1)
Package Type Package Pins Package
Drawing
Qty
Eco Plan
Lead/Ball Finish
MSL Peak Temp
(2)
(6)
(3)
Op Temp (°C)
Device Marking
(4/5)
LM56BIM
NRND
SOIC
D
8
95
TBD
Call TI
Call TI
-40 to 125
LM56
BIM
LM56BIM/NOPB
ACTIVE
SOIC
D
8
95
Green (RoHS
& no Sb/Br)
CU SN
Level-1-260C-UNLIM
-40 to 125
LM56
BIM
LM56BIMM
NRND
VSSOP
DGK
8
1000
TBD
Call TI
Call TI
-40 to 125
T02B
LM56BIMM/NOPB
ACTIVE
VSSOP
DGK
8
1000
Green (RoHS
& no Sb/Br)
CU SN
Level-1-260C-UNLIM
-40 to 125
T02B
LM56BIMMX/NOPB
ACTIVE
VSSOP
DGK
8
3500
Green (RoHS
& no Sb/Br)
CU SN
Level-1-260C-UNLIM
-40 to 125
T02B
LM56BIMX
NRND
SOIC
D
8
2500
TBD
Call TI
Call TI
-40 to 125
LM56
BIM
LM56BIMX/NOPB
ACTIVE
SOIC
D
8
2500
Green (RoHS
& no Sb/Br)
CU SN
Level-1-260C-UNLIM
-40 to 125
LM56
BIM
LM56C MDC
ACTIVE
DIESALE
Y
0
165
Green (RoHS
& no Sb/Br)
Call TI
Level-1-NA-UNLIM
-40 to 85
LM56CIM
NRND
SOIC
D
8
95
TBD
Call TI
Call TI
-40 to 125
LM56
CIM
LM56CIM/NOPB
ACTIVE
SOIC
D
8
95
Green (RoHS
& no Sb/Br)
CU SN
Level-1-260C-UNLIM
-40 to 125
LM56
CIM
LM56CIMM/NOPB
ACTIVE
VSSOP
DGK
8
1000
Green (RoHS
& no Sb/Br)
CU SN
Level-1-260C-UNLIM
-40 to 125
T02C
LM56CIMMX/NOPB
ACTIVE
VSSOP
DGK
8
3500
Green (RoHS
& no Sb/Br)
CU SN
Level-1-260C-UNLIM
-40 to 125
T02C
LM56CIMX
NRND
SOIC
D
8
2500
TBD
Call TI
Call TI
-40 to 125
LM56
CIM
LM56CIMX/NOPB
ACTIVE
SOIC
D
8
2500
Green (RoHS
& no Sb/Br)
CU SN
Level-1-260C-UNLIM
-40 to 125
LM56
CIM
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
Addendum-Page 1
Samples
PACKAGE OPTION ADDENDUM
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27-Jul-2016
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability
information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight
in homogeneous material)
(3)
MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
(4)
There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
(5)
Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation
of the previous line and the two combined represent the entire Device Marking for that device.
(6)
Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish
value exceeds the maximum column width.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
Addendum-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
7-May-2016
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
SPQ
Reel
Reel
A0
Diameter Width (mm)
(mm) W1 (mm)
B0
(mm)
K0
(mm)
P1
(mm)
W
Pin1
(mm) Quadrant
LM56BIMM
VSSOP
DGK
8
1000
178.0
12.4
5.3
3.4
1.4
8.0
12.0
Q1
LM56BIMM/NOPB
VSSOP
DGK
8
1000
178.0
12.4
5.3
3.4
1.4
8.0
12.0
Q1
LM56BIMMX/NOPB
VSSOP
DGK
8
3500
330.0
12.4
5.3
3.4
1.4
8.0
12.0
Q1
LM56BIMX
SOIC
D
8
2500
330.0
12.4
6.5
5.4
2.0
8.0
12.0
Q1
LM56BIMX/NOPB
SOIC
D
8
2500
330.0
12.4
6.5
5.4
2.0
8.0
12.0
Q1
LM56CIMM/NOPB
VSSOP
DGK
8
1000
178.0
12.4
5.3
3.4
1.4
8.0
12.0
Q1
LM56CIMMX/NOPB
VSSOP
DGK
8
3500
330.0
12.4
5.3
3.4
1.4
8.0
12.0
Q1
LM56CIMX
SOIC
D
8
2500
330.0
12.4
6.5
5.4
2.0
8.0
12.0
Q1
LM56CIMX/NOPB
SOIC
D
8
2500
330.0
12.4
6.5
5.4
2.0
8.0
12.0
Q1
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
7-May-2016
*All dimensions are nominal
Device
Package Type
Package Drawing
Pins
SPQ
Length (mm)
Width (mm)
Height (mm)
LM56BIMM
VSSOP
DGK
8
1000
210.0
185.0
35.0
LM56BIMM/NOPB
VSSOP
DGK
8
1000
210.0
185.0
35.0
LM56BIMMX/NOPB
VSSOP
DGK
8
3500
367.0
367.0
35.0
LM56BIMX
SOIC
D
8
2500
367.0
367.0
35.0
LM56BIMX/NOPB
SOIC
D
8
2500
367.0
367.0
35.0
LM56CIMM/NOPB
VSSOP
DGK
8
1000
210.0
185.0
35.0
LM56CIMMX/NOPB
VSSOP
DGK
8
3500
367.0
367.0
35.0
LM56CIMX
SOIC
D
8
2500
367.0
367.0
35.0
LM56CIMX/NOPB
SOIC
D
8
2500
367.0
367.0
35.0
Pack Materials-Page 2
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