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| CS1107 Single Relay Driver IC This ASIC provides up to 350 mA of drive current for driving a relay. On-chip diagnostic features include open and short circuit detection in the on state, duty cycle current limit control, and thermal shutdown. Faults are reported on the Fault lead. Fault is an active-low output. An on-chip zener provides protection from flyback pulses from the relay. Internal pull-down circuitry is provided to ensure the output pin turns off when the Control pin is floating. Features * Fault Detection - Open Circuit - Short Circuit - Overtemperature * On-Chip Flyback Protection * Low Standby Current * Internally Fused Leads in SO-8 Package http://onsemi.com 8 1 SO-8 DF SUFFIX CASE 751 PIN CONNECTIONS AND MARKING DIAGRAM Output 1 1107 ALYW 8 GND GND GND GND VCC Control ISOURCE 33 V Drive & Bias Output VCC Fault Control Overtemp Shutdown Duty cycle during short circuit A WL, L YY, Y WW, W = Assembly Location = Wafer Lot = Year = Work Week + ORDERING INFORMATION Short Circuit Detect Open Circuit Detect Fault - - + Device CS1107EDF8 CS1107EDFR8 Package SO-8 SO-8 Shipping 95 Units/Rail 2500 Tape & Reel GND GND GND GND Figure 1. Block Diagram (c) Semiconductor Components Industries, LLC, 2001 1 April, 2001 - Rev. 5 Publication Order Number: CS1107/D CS1107 MAXIMUM RATINGS* Rating Storage Temperature VCC, Fault, Control ESD Capability (Human Body Model) Peak Transient Voltage (output off mode, output pin only) Lead Temperature Soldering: 1. 60 second maximum above 183C. *The maximum package power dissipation must be observed. (26 V Load Dump @ 14 V VBAT) 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 VCC 5.25 V, -40C TA 85C, -40C TJ 150C; unless otherwise specified.) Characteristic Supply Requirements VCC Quiescent Current VCC Quiescent Current Output Leakage Current Saturation Voltage VCLAMP Current Sense Short Circuit Current Open Circuit Current Control-Input Input Voltage Input Current Fault Output - (Open Collector) Output Low Voltage Overtemperature Shutdown TJ Output Disable Threshold TJ Hysteresis (Guaranteed by Design) (Guaranteed by Design) 150 5.0 180 - - - C C IFAULT = 250 A (sink) - 0.24 0.40 V Logic = High Logic = Low Control = VCC 2.0 - - - - 40 - 0.8 80 V V A - Output in the ON state 350 20 500 40 650 60 mA mA VBAT = 14 V IOUTPUT = 350 mA IOUTPUT = 180 mA VCC < 4.5 V, IOUTPUT = 180 mA - - - 29 0 1.1 0.9 33 100 1.5 1.3 36 A V V V Output ON Output OFF - - 3.0 70 6.0 250 mA A Test Conditions Min Typ Max Unit PACKAGE PIN DESCRIPTION PACKAGE PIN # 8 Lead SO Narrow 1 2 3 4 5, 6, 7, 8 PIN SYMBOL Output VCC 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. A high on this pin turns the output on. Signal ground. FUNCTION http://onsemi.com 2 CS1107 CIRCUIT DESCRIPTION The CS1107 relay 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 180C (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. Overcurrent protection is provided by duty cycle control. When the Output current exceeds the current limit threshold, the output enters duty cycle mode to reduce power dissipation of the IC to a safe level. The higher the threshold is exceeded the lower the duty cycle becomes. A 33 V on-chip zener diode on the Output pin protects the device from flyback pulses when a relay is turned off. The saturation voltage of this pin will not exceed 1.5 V at 350 mA. Output CMODULE(ESD) 10 nF GND CS1107 VCC Fault GND GND GND 20 k Control VBAT VCC microprocessor Figure 2. Applications Diagram http://onsemi.com 3 CS1107 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 ZY S X S DIM A B C D G H J K M N S PACKAGE THERMAL DATA Parameter RJC RJA 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 Sales Representative. http://onsemi.com 4 CS1107/D |
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