LTC1041CN8 Linear Technology, LTC1041CN8 Datasheet

IC BANG-BANG CONTROLLER 8DIP

LTC1041CN8

Manufacturer Part Number
LTC1041CN8
Description
IC BANG-BANG CONTROLLER 8DIP
Manufacturer
Linear Technology
Datasheet

Specifications of LTC1041CN8

Applications
Bang-Bang Controller
Voltage - Supply
2.8 V ~ 16 V
Current - Supply
1.2mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Voltage - Input
-

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LTC1041CN8
Manufacturer:
LT
Quantity:
5 510
Part Number:
LTC1041CN8
Manufacturer:
SIEMENS
Quantity:
5 510
Part Number:
LTC1041CN8
Manufacturer:
LT
Quantity:
20 000
Part Number:
LTC1041CN8#PBF
Manufacturer:
LTC
Quantity:
400
FEATURES
LTCMOS is a trademark of Linear Technology Corporation.
TYPICAL APPLICATIO
APPLICATIO S
1N4002
26V AC 2-WIRE THERMOSTAT
(4)
, LTC and LT are registered trademarks of Linear Technology Corporation.
Micropower 1.5 W (1 Sample/Second)
Wide Supply Range 2.8V to 16V
High Accuracy
Wide Input Voltage Range V
TTL Outputs with 5V Supply
Two Independent Ground-Referred Control Inputs
Small Size 8-Pin SO
Temperature Control (Thermostats)
Motor Speed Control
Battery Charger
Any ON-OFF Control Loop
2N6660
Guaranteed SET POINT Error 0.5mV Max
Guaranteed Deadband 0.1% of Value Max
56
Ultralow Power 50 F to 100 F (2.4 W) Thermostat
ALL RESISTORS 1%.
DRIVING THERMISTOR WITH V
0.1 F
U
4.32k
49.9
6.81k
YELLOW SPRINGS INSTRUMENT CO., INC. P/N 44007.
5k
P-P
4.99k
ELIMINATES 3.8 F ERROR DUE TO SELF-HEATING
+
to Ground
U
1
2
3
4
DELTA = 0.5 F
LTC1041
8
7
6
5
10M
1 F
LTC1041 • TA01
400nA
DESCRIPTIO
The LTC
controller manufactured using Linear Technology’s
enhanced LTCMOS™ silicon gate process. BANG-BANG
loops are characterized by turning the control element
fully ON or fully OFF to regulate the average value of
the parameter to be controlled. The SET POINT input
determines the average control value and the DELTA input
sets the deadband. The deadband is always 2 x DELTA and
is centered around the SET POINT. Independent control
of the SET POINT and deadband, with no interaction, is
made possible by the unique sampling input structure of
the LTC1041.
An external RC connected to the OSC pin sets the sampling
rate. At the start of each sample, internal power to the
analog section is switched on for 80 s. During this time,
the analog inputs are sampled and compared. After the
comparison is complete, power is switched off. This
achieves extremely low average power consumption
at low sampling rates. CMOS logic holds the output
continuously while consuming virtually no power.
To keep system power at an absolute minimum, a switched
power output (V
bridge networks and resistive dividers, can be driven by
this switched output.
The output logic sense (i.e., ON = V
(i.e., ON = GND) by interchanging the V
inputs. This has no other effect on the operation of
the LTC1041.
I
S
+
6V
BANG-BANG Controller
®
1041 is a monolithic CMOS BANG-BANG
10000
Supply Current vs Sampling Frequency
1000
0.01
100
0.1
10
1
P-P
0.1
V
S
U
) is provided. External loads, such as
= 6V
SAMPLING FREQUENCY, f
1
TOTAL SUPPLY
CURRENT
LTC1041 SUPPLY
CURRENT
10
100
+
S
) can be reversed
1000
(Hz)
IN
LTC1041
and SET POINT
LTC1041 • TA02
10000
1041fa
1

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LTC1041CN8 Summary of contents

Page 1

... Small Size 8-Pin SO U APPLICATIO S Temperature Control (Thermostats) Motor Speed Control Battery Charger Any ON-OFF Control Loop , LTC and LT are registered trademarks of Linear Technology Corporation. LTCMOS is a trademark of Linear Technology Corporation. U TYPICAL APPLICATIO Ultralow Power 100 F (2.4 W) Thermostat 26V AC 2-WIRE THERMOSTAT 0 ...

Page 2

... 0.1 F EXT EXT Note 2: Applies over input voltage range limit and includes gain uncertainty TOP VIEW ORDER PART + NUMBER P-P LTC1041CN8 3 6 OSC LTC1041CS8 4 5 DELTA S8 PACKAGE 8-LEAD PDIP = 110 C, = 150 C/W (N8 150 C, = 150 C/W (S8 PACKAGE LTC1041MJ8 8-LEAD CERDIP T = 150 C, = 100 C/W ...

Page 3

ELECTRICAL CHARACTERISTICS Note 3: SET POINT error – SET POINT 2 where V = upper band limit and V = lower band limit Note 4: Deadband error (V – ...

Page 4

LTC1041 W U TYPICAL PERFOR A CE CHARACTERISTICS V Output Voltage P-P vs Load Current 0 0.2 0 16V 0.6 0.8 1 2.8V 1.2 1.4 1.6 1.8 2 LOAD ...

Page 5

U U APPLICATIO S I FOR ATIO – LTC1041 DIFFERENTIAL INPUT Figure 2. Equivalent Input Circuit R • The ability to fully charge source during the ...

Page 6

LTC1041 U U APPLICATIO S I FOR ATIO COMPARATOR ON TIME 4 GND Figure 3. V Output Switch P SET POINT 4 GND R2 Figure ...

Page 7

... Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. Motor Speed Controller 10k ...

Page 8

... N8 1002 NOTE 3 .050 BSC .245 .150 – .157 MIN (3.810 – 3.988) NOTE 3 N .030 .005 3 4 TYP RECOMMENDED SOLDER PAD LAYOUT LW/TP 1202 1K REV A • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1985 .045 .005 .160 .005 N/2 SO8 0502 1041fa ...

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