Datasheet LTC3806 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | Synchronous Flyback DC/DC Controller |
| Seiten / Seite | 20 / 2 — ABSOLUTE MAXIMUM RATINGS. PI CO FIGURATIO. (Note 1). ORDER I FOR ATIO. … |
| Dateiformat / Größe | PDF / 219 Kb |
| Dokumentensprache | Englisch |
ABSOLUTE MAXIMUM RATINGS. PI CO FIGURATIO. (Note 1). ORDER I FOR ATIO. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
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LTC3806
W W W U U U U ABSOLUTE MAXIMUM RATINGS PI CO FIGURATIO (Note 1)
TOP VIEW VIN Voltage ... 25V INTV RUN 1 12 SENSE CC Voltage ... 8V INTV I 2 11 NC TH CC Output Current .. 50mA FB 3 10 SS G1, G2 Voltages ... – 0.3V to VINTVCC + 0.3V 13 NC 4 9 G1 ITH, FB, SS Voltages ...–0.3V to 2.7V V 5 8 G2 IN RUN Voltage ... – 0.3V to 7V INTV 6 7 GND CC SENSE Pin Voltage ... – 0.3V to 8V Operating Ambient Temperature Range DE12 PACKAGE 12-LEAD (4mm × 3mm) PLASTIC DFN (Note 2) .. – 40°C to 85°C TJMAX = 125°C, θJA = 34°C/W Junction Temperature (Note 3) .. 125°C EXPOSED PAD (PIN 13) IS GND Storage Temperature Range ... – 65°C to 125°C MUST BE SOLDERED TO PCB
U W U ORDER I FOR ATIO LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3806EDE#PBF LTC3806EDE#TRPBF 3806 12-Lead (4mm × 3mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. VIN = 10V, VRUN = 1.5V, unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loop
VIN(MIN) Minimum Input Voltage (Note 4) 10 V IQ Input Voltage Supply Current (Note 5) Quiescent 1000 μA Shutdown Mode VRUN = 0V 50 90 μA Start-Up Mode VRUN > 1.255V, VIN < 7V 80 140 μA V + RUN Rising RUN Input Threshold Voltage VIN = 20V 1.205 1.230 1.255 V ● 1.181 1.279 V V – RUN Falling RUN Input Threshold Voltage VIN = 20V 1.116 1.139 1.162 V ● 1.093 1.185 V VRUN(HYST) RUN Pin Input Threshold Hysteresis VIN = 20V 45 91 137 mV IRUN RUN Input Current 1 60 nA VFB Feedback Voltage VITH = 0.75V (Note 6) 1.218 1.230 1.242 V ● 1.212 1.248 V IFB Feedback Pin Input Current VITH = 0.75V (Note 6) 18 100 nA ΔVFB/ΔVIN Line Regulation 10V ≤ VIN ≤ 20V 0.01 %/V ΔVFB/ΔVITH Load Regulation VTH = 0.55V to 0.95V (Note 6) ● –1 –0.1 % gm Error Amplifier Transconductance ITH Pin Load = ±5μA (Note 6) 650 μMho 3806fb 2
W W W U U U U ABSOLUTE MAXIMUM RATINGS PI CO FIGURATIO (Note 1)
TOP VIEW VIN Voltage ... 25V INTV RUN 1 12 SENSE CC Voltage ... 8V INTV I 2 11 NC TH CC Output Current .. 50mA FB 3 10 SS G1, G2 Voltages ... – 0.3V to VINTVCC + 0.3V 13 NC 4 9 G1 ITH, FB, SS Voltages ...–0.3V to 2.7V V 5 8 G2 IN RUN Voltage ... – 0.3V to 7V INTV 6 7 GND CC SENSE Pin Voltage ... – 0.3V to 8V Operating Ambient Temperature Range DE12 PACKAGE 12-LEAD (4mm × 3mm) PLASTIC DFN (Note 2) .. – 40°C to 85°C TJMAX = 125°C, θJA = 34°C/W Junction Temperature (Note 3) .. 125°C EXPOSED PAD (PIN 13) IS GND Storage Temperature Range ... – 65°C to 125°C MUST BE SOLDERED TO PCB
U W U ORDER I FOR ATIO LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3806EDE#PBF LTC3806EDE#TRPBF 3806 12-Lead (4mm × 3mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. VIN = 10V, VRUN = 1.5V, unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loop
VIN(MIN) Minimum Input Voltage (Note 4) 10 V IQ Input Voltage Supply Current (Note 5) Quiescent 1000 μA Shutdown Mode VRUN = 0V 50 90 μA Start-Up Mode VRUN > 1.255V, VIN < 7V 80 140 μA V + RUN Rising RUN Input Threshold Voltage VIN = 20V 1.205 1.230 1.255 V ● 1.181 1.279 V V – RUN Falling RUN Input Threshold Voltage VIN = 20V 1.116 1.139 1.162 V ● 1.093 1.185 V VRUN(HYST) RUN Pin Input Threshold Hysteresis VIN = 20V 45 91 137 mV IRUN RUN Input Current 1 60 nA VFB Feedback Voltage VITH = 0.75V (Note 6) 1.218 1.230 1.242 V ● 1.212 1.248 V IFB Feedback Pin Input Current VITH = 0.75V (Note 6) 18 100 nA ΔVFB/ΔVIN Line Regulation 10V ≤ VIN ≤ 20V 0.01 %/V ΔVFB/ΔVITH Load Regulation VTH = 0.55V to 0.95V (Note 6) ● –1 –0.1 % gm Error Amplifier Transconductance ITH Pin Load = ±5μA (Note 6) 650 μMho 3806fb 2