Datasheet LTC3834-1 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 30μA IQ Synchronous Step-Down Controller |
| Pages / Page | 28 / 2 — ABSOLUTE AXI U RATI GS. (Note 1). PI CO FIGURATIO. ORDER I FOR ATIO. LEAD … |
| File Format / Size | PDF / 300 Kb |
| Document Language | English |
ABSOLUTE AXI U RATI GS. (Note 1). PI CO FIGURATIO. ORDER I FOR ATIO. LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
Model Line for this Datasheet
Text Version of Document
LTC3834-1
W W W U ABSOLUTE AXI U RATI GS (Note 1)
Input Supply Voltage (VIN)...36V to –0.3V Peak Output Current <10μs (TG, BG) ... 3A Top Side Driver Voltage (BOOST) ..42V to – 0.3V INTVCC Peak Output Current .. 50mA Switch Voltage (SW) ..36V to – 5V Operating Temperature Range (Note 2) .. – 40°C to 85°C INTVCC, (BOOST-SW)...8.5V to –0.3V Junction Temperature (Note 3) ... 125°C RUN, TRACK/SS ... 7V to – 0.3V Storage Temperature Range ... – 65°C to 150°C SENSE+, SENSE– Voltages ...11V to – 0.3V Lead Temperature PLLIN/MODE, PLLLPF ... INTVCC to –0.3V (GN Package, Soldering, 10 sec) .. 300°C ITH, VFB Voltages ...2.7V to –0.3V
U U U PI CO FIGURATIO
TOP VIEW TOP VIEW PLLLPF 1 16 PLLIN/MODE PLLLPF 1 16 PLLIN/MODE I 2 15 SENSE+ I 2 TH 15 TH SENSE+ TRACK/SS 3 14 SENSE– TRACK/SS 3 14 SENSE– V 4 13 RUN FB V 4 13 FB RUN 17 SGND 5 12 BOOST SGND 5 12 BOOST PGND 6 11 TG PGND 6 11 TG BG 7 10 SW BG 7 10 SW INTV 8 9 V CC IN INTV 8 9 CC VIN GN PACKAGE DHC PACKAGE 16-LEAD PLASTIC SSOP 16-Pin (5mm × 3mm) PLASTIC DFN T TJMAX = 150°C, θJA = 90°C/W JMAX = 125°C, θJA = 43.5°C/W EXPOSED PAD (PIN 17) IS SGND MUST BE SOLDERED TO PCB
U W U ORDER I FOR ATIO LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3834EDHC-1#PBF LTC3834EDHC-1#TRPBF 38341 16-Lead (5mm × 3mm) Plastic DFN –40°C to 85°C (Note 2) LTC3834IDHC-1#PBF LTC3834IDHC-1#TRPBF 38341 16-Lead (5mm × 3mm) Plastic DFN –40°C to 85°C LTC3834EGN-1#PBF LTC3834EGN-1#TRPBF 38341 16-Lead Plastic SSOP –40°C to 85°C (Note 2) LTC3834IGN-1#PBF LTC3834IGN-1#TRPBF 38341 16-Lead Plastic SSOP –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *Temperature grades are identified by a label on the shipping container. Consult LTC Marketing for information on nonstandard 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 the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VRUN = 5V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loop
VFB Regulated Feedback Voltage (Note 4); ITH Voltage = 1.2V ● 0.792 0.800 0.808 V IVFB Feedback Current (Note 4) – 5 – 50 nA VREFLNREG Reference Voltage Line Regulation VIN = 4V to 30V (Note 4) 0.002 0.02 %/V 38341f 2
W W W U ABSOLUTE AXI U RATI GS (Note 1)
Input Supply Voltage (VIN)...36V to –0.3V Peak Output Current <10μs (TG, BG) ... 3A Top Side Driver Voltage (BOOST) ..42V to – 0.3V INTVCC Peak Output Current .. 50mA Switch Voltage (SW) ..36V to – 5V Operating Temperature Range (Note 2) .. – 40°C to 85°C INTVCC, (BOOST-SW)...8.5V to –0.3V Junction Temperature (Note 3) ... 125°C RUN, TRACK/SS ... 7V to – 0.3V Storage Temperature Range ... – 65°C to 150°C SENSE+, SENSE– Voltages ...11V to – 0.3V Lead Temperature PLLIN/MODE, PLLLPF ... INTVCC to –0.3V (GN Package, Soldering, 10 sec) .. 300°C ITH, VFB Voltages ...2.7V to –0.3V
U U U PI CO FIGURATIO
TOP VIEW TOP VIEW PLLLPF 1 16 PLLIN/MODE PLLLPF 1 16 PLLIN/MODE I 2 15 SENSE+ I 2 TH 15 TH SENSE+ TRACK/SS 3 14 SENSE– TRACK/SS 3 14 SENSE– V 4 13 RUN FB V 4 13 FB RUN 17 SGND 5 12 BOOST SGND 5 12 BOOST PGND 6 11 TG PGND 6 11 TG BG 7 10 SW BG 7 10 SW INTV 8 9 V CC IN INTV 8 9 CC VIN GN PACKAGE DHC PACKAGE 16-LEAD PLASTIC SSOP 16-Pin (5mm × 3mm) PLASTIC DFN T TJMAX = 150°C, θJA = 90°C/W JMAX = 125°C, θJA = 43.5°C/W EXPOSED PAD (PIN 17) IS SGND MUST BE SOLDERED TO PCB
U W U ORDER I FOR ATIO LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3834EDHC-1#PBF LTC3834EDHC-1#TRPBF 38341 16-Lead (5mm × 3mm) Plastic DFN –40°C to 85°C (Note 2) LTC3834IDHC-1#PBF LTC3834IDHC-1#TRPBF 38341 16-Lead (5mm × 3mm) Plastic DFN –40°C to 85°C LTC3834EGN-1#PBF LTC3834EGN-1#TRPBF 38341 16-Lead Plastic SSOP –40°C to 85°C (Note 2) LTC3834IGN-1#PBF LTC3834IGN-1#TRPBF 38341 16-Lead Plastic SSOP –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *Temperature grades are identified by a label on the shipping container. Consult LTC Marketing for information on nonstandard 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 the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VRUN = 5V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loop
VFB Regulated Feedback Voltage (Note 4); ITH Voltage = 1.2V ● 0.792 0.800 0.808 V IVFB Feedback Current (Note 4) – 5 – 50 nA VREFLNREG Reference Voltage Line Regulation VIN = 4V to 30V (Note 4) 0.002 0.02 %/V 38341f 2
