L9705 STMicroelectronics, L9705 Datasheet
L9705
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L9705 Summary of contents
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... November 2003 DIP20 ORDERING NUMBERS: L9705 DESCRIPTION The L9705 is a bipolar monolithic integrated circuit for monitoring the status four contacts con- nected to GND and up to four contacts connected BY to the battery. The contact sense input supply the contact current and perform the contact resistance comparison function ...
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... L9705 ABSOLUTE MAXIMUM RATINGS Symbol V DC Supply Voltage SDC V Peak Transient Supply Voltage ( Logic Supply Voltage CC I Input DC Current INDC I Input Pulse ( 2ms; f 0.2Hz 25000) INP p I Output Current ( 5.5V) OUT O V Enable Input Voltage EN P Total Power Dissipation (T tot T Junction Temperature Range ...
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... BAT EN = HIGH (t >20 s) ENH 16V -40 to 85° all contact open all contact closed V 0.1V BAT BAT EN = LOW EN = LOW C 50pF OUT C 50pF OUT EN = LOW; C 50pF OUT L9705 = –40 to 150°C unless otherwise Min. Typ. Max. Unit -0.3 0 200 420 800 ...
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... The external capacitors CIN and COUT represent the total wiring capacitance at the corresponding pins. FUNCTIONAL DESCRIPTION The L9705 circuit monitors the status of the contacts which are connected through the series external re- sistors R to the contact sense input pins. The contacts equivalent circuit is supposed shown in IN fig ...
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... The L9705 circuit compares the input current with the current through the internal reference resistor. The device is designed to work with an external input series resistor of R the contact current, when the contact is closed and the device activated (EN =LOW) is For this calculation the limit value of the V ...
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... L9705 mm DIM. MIN. TYP. MAX. MIN. a1 0.254 0.010 B 1.39 1.65 0.055 b 0.45 b1 0.25 D 25.4 E 8.5 e 2.54 e3 22.86 F 7.1 I 3.93 L 3.3 Z 1.34 6/8 inch MECHANICAL DATA TYP. MAX. 0.065 0.018 0.010 1.000 0.335 0.100 0.900 0.280 0.155 0.130 0.053 OUTLINE AND DIP20 ...
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... Mold flash, protusions or gate burrs shall not exceed 0.15mm per side. inch TYP. MAX. MECHANICAL DATA 0.104 0.012 0.200 0.013 0.512 0.299 0.050 0.419 0.030 0.050 0.004 L9705 OUTLINE AND SO20 0016022 D 7/8 ...
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... L9705 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...