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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC3723-2 датащи(PDF) 2 Page - Linear Technology |
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LTC3723-2 датащи(HTML) 2 Page - Linear Technology |
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2 / 20 page  LTC3723-1/LTC3723-2 2 372312f VCC to GND (Low Impedance Source) .......– 0.3V to 10V (Chip Self-Regulates at 10.3V) UVLO to GND ............................................. – 0.3V to VCC All Other Pins to GND (Low Impedance Source) .........................– 0.3V to 5.5V VCC (Current Fed) ................................................. 40mA ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1) ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 9.5V unless otherwise noted. VREF Output Current ............................... Self-Regulated Operating Temperature (Notes 5,6) LTC3723E ........................................... – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 125°C Lead Temperature (Soldering, 10sec)................... 300 °C TJMAX = 125°C, θJA = 100°C/W ORDER PART NUMBER GN PART MARKING Consult LTC Marketing for parts specified with wider operating temperature ranges. LTC3723EGN-1 Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ 37231 1 2 3 4 5 6 7 8 TOP VIEW GN PACKAGE 16-LEAD PLASTIC SSOP 16 15 14 13 12 11 10 9 VREF SDRB SDRA DRVB VCC DRVA GND CT SPRG UVLO SS FB RLEB COMP CS DPRG TJMAX = 125°C, θJA = 100°C/W ORDER PART NUMBER GN PART MARKING LTC3723EGN-2 37232 1 2 3 4 5 6 7 8 TOP VIEW GN PACKAGE 16-LEAD PLASTIC SSOP 16 15 14 13 12 11 10 9 VREF SDRB SDRA DRVB VCC DRVA GND CT SPRG UVLO SS FB DPRG COMP CS RAMP SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Supply VCCUV VCC Undervoltage Lockout Measured on VCC 10.25 10.7 V VCCHY VCC UVLO Hysteresis Measured on VCC 3.8 4.2 V ICCST Start-Up Current VCC = VUVLO – 0.3V ● 145 230 µA ICCRN Operating Current No Load on Outputs 3 8 mA VSHUNT Shunt Regulator Voltage Current into VCC = 10mA 10.3 10.8 V RSHUNT Shunt Resistance Current into VCC = 10mA to 17mA 1.4 3.5 Ω SUVLO System UVLO Threshold Measured on UVLO Pin, 10mA into VCC 4.8 5.0 5.2 V SHYST System UVLO Hysteresis Current Current Flows Out of UVLO Pin, 10mA into VCC 8.5 10 11.5 µA Pulse Width Modulator ROS Ramp Offset Voltage Measured on COMP, RAMP = 0V 0.65 V IRMP Ramp Discharge Current RAMP = 1V, COMP = 0V, CT = 4V, 3723-1 Only 50 mA |
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