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UC37136M датащи(PDF) 1 Page - Texas Instruments |
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UC37136M датащи(HTML) 1 Page - Texas Instruments |
1 / 9 page UC27136, UC37136 DUAL OUTPUT SWITCH SLUS447 - FEBRUARY 2000 - REVISED JULY 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 250-mA Continuous Total Output Drive D Two Output Power Switches, 35-V Maximum Operation D Low-Side or High-Side Switch Configuration D User Programmable Phasing of Output Switch LS2/HS2 D Internal Output Voltage Clamp for Driving Inductive Loads D 9 V to 35 V Supply Voltage Range D Current Limit Protection D Thermal Shutdown Protection D UVLO With User Programmable Time Delay description The UCx7136 bipolar dual switch contains all the control and drive circuitry required to drive resistive, capacitive, and inductive loads as in industrial sensor applications. The output drivers are 250-mA NPN power switches that can switch a load between a voltage supply up to 35 V and GND with a continuous output current rating of 250 mA, combined or individually. Internal 46-V Zener clamps are provided to clamp collector-to-emitter NPN power switch voltages to safe levels when driving inductive loads. The two outputs can be configured in any combination of high side (load to GND) or low side (load to VCC). The output of switch 1 is fixed in phase with the CMOS compatible IN1 pin. The CMOS compatible exclusive OR gate inputs, IN2 and INV2, determine the output phase of switch 2. An under voltage lockout (UVLO) function is provided to disable both output NPN power switches until VCC is greater than 8 V. Both output NPN power switches can also be disabled past the UVLO enable trip point by an external user programmable time delay capacitor. An internal current limit function enables a low on/off duty cycle of the NPN power switches should the dc current go beyond 1 A. An internal thermal shutdown function disables the switches if the IC temperature reaches 155 °C such as in an overcurrent condition. schematic UDG-99016 REFERENCE 1 3 6 7 8 4 5 12 13 15 11 HS1 9 LS1 14 HS2 16 LS2 2.5 µA 4 V REF 8 V UVLO 10 N/C N/C SWITCH 2 SWITCH 1 REF SQ R 2 VCC CDEL SD INV2 IN2 IN1 GND 5 k 0.7 Ω 0.7 Ω CURRENT LIMIT 155 °C/135°C Ω Copyright © 2000, Texas Instruments Incorporated PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. DP, M, OR NP PACKAGES (TOP VIEW) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC SD CDEL GND GND INV2 IN2 IN1 LS2 N/C HS2 GND GND HS1 N/C LS1 |
Аналогичный номер детали - UC37136M |
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Аналогичное описание - UC37136M |
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