Peak Transient Voltage (output off mode, output pin only)
Lead Temperature Soldering:
1. 60 second maximum above 183°C.
*The maximum package power dissipation must be observed.
(26 V Load Dump @ 14 V V
BAT
)
Reflow: (SMD styles only) (Note 1)
Value
–65 to +150
–0.5 to 6.0
2.0
40
230 peak
Unit
°C
V
kV
V
°C
ELECTRICAL CHARACTERISTICS
(4.75
≤
V
CC
≤
5.25 V, –40°C
≤
T
A
≤
85°C, –40°C
≤
T
J
≤
150°C; unless other-
wise specified.)
Characteristic
Supply Requirements
V
CC
Quiescent Current
V
CC
Quiescent Current
Output
Leakage Current
Saturation Voltage
V
OUTPUT
(self–bias)
Current Sense
Short Circuit Current
Open Circuit Current
Control–Input
Input Voltage
Input Current
Fault Output – (Open Collector)
Output Low Voltage
Overtemperature Shutdown
T
J
Output Disable Threshold
T
J
Hysteresis
(Guaranteed by Design)
(Guaranteed by Design)
150
5.0
180
–
–
–
°C
°C
I
FAULT
= 250
µA
(sink)
–
0.24
0.40
V
Logic = High
Logic = Low
Logic = V
CC
Logic = 0 V
2.0
–
–
–50
–
–
20
–20
–
0.8
40
–
V
V
µA
µA
–
Output in the ON state
350
20
500
40
650
60
mA
mA
V
BAT
= 14 V
I
OUTPUT
= 350 mA
I
OUTPUT
= 180 mA
V
CC
< 4.5 V, I
OUTPUT
< 200 mA
–
–
–
–
16
1.1
0.9
–
100
1.5
1.3
3.5
µA
V
V
V
Output ON
Output OFF
–
–
3.0
100
6.0
250
mA
µA
Test Conditions
Min
Typ
Max
Unit
Note: A fault signal will be shown (at the fault pin) during inrush as the short circuit threshold is exceeded.
PACKAGE PIN DESCRIPTION
PACKAGE PIN #
8 Lead SO Narrow
1
2
3
4
5, 6, 7, 8
PIN SYMBOL
Output
V
CC
Fault
Control
Ground
Open collector output.
5.0 V regulated supply input.
Open collector diagnostic output low during open load, short
circuit and overtemperature conditions.
TTL compatible input.
Signal ground.
FUNCTION
http://onsemi.com
2
CS1108
CIRCUIT DESCRIPTION
The CS1108 lamp driver IC provides up to 350 mA of
drive current in a low–side configuration. The Output driver
pin is controlled through the TTL compatible Control input
pin. A high condition on the Control pin turns the output pin
on.
The Fault pin reports short circuit, open circuit, and
overtemperature conditions on the IC. If a fault is present,
the open collector output Fault pin will be low. Typical
numbers for faults are: exceeding 500 mA of drive current
will report a short circuit. Less than 40 mA (typical) will
report an open circuit. A temperature fault will be reported
when the die temperature exceeds 180°C (typical). Faults
are only reported when the Control pin is high, due to the low
quiescent current when the Control pin is low and the output
device is turned off.
The CS1108 is designed to provide overcurrent protection
by duty cycle control. When the lamp current exceeds the
internally programmed current limit threshold (typically
500 mA), the output enters duty cycle mode to reduce power
dissipation of the IC to a safe level.
Typical lamps have a low resistance when off and the
current will exceed the current limit threshold during the
initial inrush period. During this inrush time, the IC will be
operating in the duty cycle mode. Due to characteristics of
lamps in this mode, they may appear dimly lit. This
condition will persist for a breif time until the lamp
resistance has increased enough to reduce it’s current below
the threshold. Once this occurs the lamp will appear at full
brightness. During the inrush period the Fault pin will be
forced low indicating that duty cycle mode is in operation.
Thermal protection has been designed into this IC. Should
duty cycle mode operate for an extended amount of time and
the power limitations of the IC are exceeded the IC die
temperature will rise. Once the die temperature reaches the
thermal temperature limit, the internal cicuitry will shutoff
the output and the lamp will turn off. Once the die temperature
lowers below the thermal threshold, the output will be
allowed to turn back on.
Output
10 nF
V
CC
Fault
20 k
Control
V
BAT
V
CC
GND
CS1108
GND
GND
GND
microprocessor
Figure 2. Applications Diagram
http://onsemi.com
3
CS1108
PACKAGE DIMENSIONS
SO–8
DF SUFFIX
CASE 751–07
ISSUE V
A
8
5
–X–
B
1
4
S
0.25 (0.010)
M
Y
M
–Y–
G
C
–Z–
H
D
0.25 (0.010)
M
SEATING
PLANE
K
MILLIMETERS
MIN
MAX
4.80
5.00
3.80
4.00
1.35
1.75
0.33
0.51
1.27 BSC
0.10
0.25
0.19
0.25
0.40
1.27
0
_
8
_
0.25
0.50
5.80
6.20
INCHES
MIN
MAX
0.189
0.197
0.150
0.157
0.053
0.069
0.013
0.020
0.050 BSC
0.004
0.010
0.007
0.010
0.016
0.050
0
_
8
_
0.010
0.020
0.228
0.244
N
X 45
_
0.10 (0.004)
M
J
Z Y
S
X
S
DIM
A
B
C
D
G
H
J
K
M
N
S
PACKAGE THERMAL DATA
Parameter
R
ΘJC
R
ΘJA
Typical
Typical
SO–8
25
110
Unit
°C/W
°C/W
ON Semiconductor
and
are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes
without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular
purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability,
including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or
specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be
validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others.
SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or
death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold
SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable
attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim
alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer.
PUBLICATION ORDERING INFORMATION
Literature Fulfillment:
Literature Distribution Center for ON Semiconductor
P.O. Box 5163, Denver, Colorado 80217 USA
Phone:
303–675–2175 or 800–344–3860 Toll Free USA/Canada
Fax:
303–675–2176 or 800–344–3867 Toll Free USA/Canada
Email:
ONlit@hibbertco.com
N. American Technical Support:
800–282–9855 Toll Free USA/Canada
JAPAN:
ON Semiconductor, Japan Customer Focus Center
4–32–1 Nishi–Gotanda, Shinagawa–ku, Tokyo, Japan 141–0031
Phone:
81–3–5740–2700
Email:
r14525@onsemi.com
ON Semiconductor Website:
http://onsemi.com
For additional information, please contact your local
[i=s] This post was last edited by dontium on 2015-1-23 11:10 [/i] I dare not say that I feel after reading a book! Baidu Library explains: After reading a book, an article, a paragraph, a video, or a...
Zener diodeThe circuit symbol of the voltage regulator diode (also called Zener diode) is: This diode is a semiconductor device with very high resistance until the critical reverse breakdown voltage. ...
DIY oscilloscope TFT LCD debugging problem Using Moen's DWF-280 LCD screen test program, I modified the TFT interface definition and initialization program to be able to display. There is still a smal...
[i=s] This post was last edited by dontium on 2015-1-23 12:44 [/i]When compiling a C source program, I am always prompted with the following statement, which is very frustrating:warning: last line of ...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
Wireless Connectivity
京公网安备 11010802033920号
EEWORLD
