VOLTAGE DETECTOR FEATURES + - TO-92

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Elmer Paul
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1 X TO-9 The KA7550/70/90/0//6/9/4/45 prevents error of system from supply voltage below normal voltage level at the time the power on and instantaneous power off in systems. FEATURES Detecting against error operations at the power ON/OFF. Resetting function for the low voltage microprocessor. Checking low battery.input.gnd.output BLOCK DIAGRAM ORDERING INFORMATION æ Device PKG Operating Temp. KA è OUT KA7570 KA7590 KA750 KA75 KA756 TO-9-0~ + 75Î KA759 REF KA754 ç GND KA7545 Rev. B 999 Fairchild Semiconductor Corporation

2 X ABSOLUTE MAXIMUM RATING (T A = 5Î) Characteristic Symbol alue Unit Supply oltage Detecting oltage Hysteresis oltage Operating Temperature Storage Temperature Power Dissipation Detecting oltage Temperature Coefficient DET HYS T OPR T STG P D L DET/LT 0. ~ /.7/.9/.. /.6/.9/4./ ~ ~ R L = 00`, ä0.0 m Î Î Mw /Î ELECTRICAL CHARACTERISTICS (T A = 5Î) Characteristic Symbol Test Conditions Min Typ Max Unit Detecting oltage DET R L = 00` KA7550 OL'0.4 KA7570 KA7590 KA750 KA75 KA756 KA759 KA754 KA7545 Low Output oltage OL R L = 00` ï ï 0.4 Output Leakage Current I LKG = 5 ï ï 0. sa Hysteresis oltage HYS R L = 00` m Detecting oltage Temperature Coefficient L DET/LT R L = 00` ä0.0 /Î Circuit Current (at on time) I CCL = DET(MIN) ï sa Circuit Current (at off time) I CCH = 5.5 ï 0 50 sa Threshold Operating oltage TH(OPR) R L = 00`, OL' L Transmission Delay Time t OL R L =.0K`, C L = 00pF ï 0 ïss H Transmission Delay Time t OH R L =.0K`, C L = 00pF ï 5 0 ss Output Current (at on time I) I OLI = DET(MIN) , T C = 5Î ma Output Current (at on time II) I OLII = DET(MIN) , T C = -0 ~ + 75Î ma

3 X TEST CIRCUIT. A A 0u 0 + M TEST CIRCUIT. INPUT PULSE 0.u/ 00 M + 0u/ TEST CIRCUIT. LED

4 X APPLICATION CIRCUIT RESET CPU GND

5 TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. DISCLAIMER ACEx CoolFET CROSSOLT E CMOS TM FACT FACT Quiet Series FAST FASTr GTO HiSeC ISOPLANAR MICROWIRE POP PowerTrench QS Quiet Series SuperSOT - SuperSOT -6 SuperSOT -8 TinyLogic UHC CX FAIRCHILD SEMICONDUCTOR RESERES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. Datasheet Identification Product Status Definition Advance Information Preliminary No Identification Needed Formative or In Design First Production Full Production This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.

BD135/137/139. Symbol Parameter Test Condition Min. Typ. Max. Units V CEO (sus) Collector-Emitter Sustaining Voltage : BD135 : BD137 : BD139

BD135/137/139. Symbol Parameter Test Condition Min. Typ. Max. Units V CEO (sus) Collector-Emitter Sustaining Voltage : BD135 : BD137 : BD139 Medium Power Linear and Switching Applications Complement to BD136, BD138 and BD1 respectively 1 TO-126 1. Emitter 2.Collector 3.Base NPN Epitaxial Silicon Transistor Absolute Maximum Ratings T C =25 C