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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM5064PMH/NOPB датащи(PDF) 2 Page - Texas Instruments |
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LM5064PMH/NOPB датащи(HTML) 2 Page - Texas Instruments |
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2 / 64 page  10 9 8 11 12 1 2 3 4 5 7 6 RETRY NC PWR GATE SENSE SENSE_K VEE CL PGD UVLO/EN TIMER 25 26 27 28 21 22 23 24 13 14 19 20 OVLO VAUXH SDAI VCC SDAO ADR2 ADR1 VDD VAUX ADR0 SMBA SCL 18 17 16 15 VREF DIODE VEE_K OUT NC Exposed Pad UVLO/EN SCL PWR VEE_K TIMER PGD GATE SDAO SMBA ADR0 ADR1 ADR2 VAUX VDD OVLO CL DIODE SDAI VCC OUT RETRY VREF VEE SENSE SENSE_ K VAUXH OUTPUT GND -48V VDD LM5064 LOAD EN R1 R3 R2 CT 1 µF 1 µF RPWR RS RPG Q1 GND + COUT Z1 0V-2.97V Auxiliary ADC Input INPUT RAIL QT SMBus Interface D1 LM5064 SNVS718E – JUNE 2011 – REVISED FEBRUARY 2013 www.ti.com Typical Application Circuit Connection Diagram Top View 28-Lead HTSSOP 9.7 mm × 4.4 mm × 0.9 mm PWP0028A Package PIN DESCRIPTIONS Pin# Name Description 1 VCC Positive supply input. Connect the VCC pin to the positive voltage rail. 2 VAUXH High voltage auxiliary input. VCC with respect to VEE is measured by connecting the VAUXH pin to the VCC rail. 3 NC No connect. This pin is not internally connected and should not be connected to any signal or power rail. 4 GATE MOSFET gate control signal for fault control of the output. The GATE pin is clamped to VEE through a 12.6V internal zener diode. 5 UVLO/EN Under-voltage lockout threshold input. Connecting the UVLO pin to a resistor divider from VCC to VEE will set the under-voltage lockout threshold. After the UVLO pin voltage falls below 2.48V, an internal 20 µA current source is switched to provide a user settable hysteresis. The UVLO pin can be toggled directly to act as a precision enable. After the UVLO threshold voltage is exceeded, the output voltage will begin to transition to VVEE as the GATE pin supplies 52 µA to turn on the MOSFET. 6 OVLO Over-voltage lockout threshold input. Connecting the OVLO pin to a resistor divider from VCC to VEE will set the over-voltage lockout threshold. After the OVLO pin voltage exceeds 2.47V, an internal 21 µA current source is switched to provide a user settable hysteresis. If the OVLO threshold is exceeded, the MOSFET will be immediately disabled to protect the output. 2 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated Product Folder Links: LM5064 |
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