Datasheet LTC3834 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | 30μA IQ Synchronous Step-Down Controller |
| Seiten / Seite | 30 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION … |
| Dateiformat / Größe | PDF / 793 Kb |
| Dokumentensprache | Englisch |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
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LTC3834
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) ... 36V to –0.3V ITH, VFB Voltages .. 2.7V to –0.3V Topside Driver Voltage (BOOST) .. 42V to –0.3V Peak Output Current <10µs (TG, BG) ..3A Switch Voltage (SW) ... 36V to –5V INTVCC Peak Output Current ... 50mA INTVCC, (BOOST-SW), CLKOUT, PGOOD . 8.5V to –0.3V Operating Temperature Range (Note 2)..–40°C to 85°C RUN, TRACK/SS .. 7V to –0.3V Junction Temperature (Note 3) ... 125°C SENSE+, SENSE– Voltages ...11V to –0.3V Storage Temperature Range .. –65°C to 150°C PLLIN/MODE, PHASMD, PLLLPF ...INTVCC to –0.3V Lead Temperature (Soldering, 10 sec) EXTVCC ... 10V to –0.3V FE Package ...300°C
PIN CONFIGURATION
TOP VIEW TOP VIEW CLKOUT 1 20 PHASMD PLLLPF 2 19 PLLIN/MODE PLLLPF CLKOUT PHASMD PLLIN/MODE 20 19 18 17 ITH 3 18 PGOOD TRACKS/SS 4 17 SENSE+ ITH 1 16 PGOOD V TRACK/SS 2 15 SENSE+ FB 5 21 16 SENSE– VFB 3 14 SENSE– SGND 6 15 RUN 21 SGND 4 13 RUN PGND 7 14 BOOST PGND 5 12 BOOST BG 8 13 TG BG 6 11 TG INTVCC 9 12 SW 7 8 9 10 EXTVCC 10 11 VIN V CC V CC V IN SW FE PACKAGE INT 20-LEAD PLASTIC TSSOP EXT UFD PACKAGE TJMAX = 125°C, θJA = 35°C/W 20-PIN (4mm × 5mm) PLASTIC QFN EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3834EFE#PBF LTC3834EFE#TRPBF LTC3834FE 20-Lead Plastic TSSOP –40°C to 85°C (Note 2) LTC3834IFE#PBF LTC3834IFE#TRPBF LTC3834FE 20-Lead Plastic TSSOP –40°C to 85°C LTC3834EUFD#PBF LTC3834EUFD#TRPBF 3834 20-Lead (4mm × 5mm) Plastic QFN –40°C to 85°C (Note 2) LTC3834IUFD#PBF LTC3834IUFD#TRPBF 3834 20-Lead (4mm × 5mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. 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/ 3834fc 2 For more information www.linear.com/LTC3834 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Package Description Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) ... 36V to –0.3V ITH, VFB Voltages .. 2.7V to –0.3V Topside Driver Voltage (BOOST) .. 42V to –0.3V Peak Output Current <10µs (TG, BG) ..3A Switch Voltage (SW) ... 36V to –5V INTVCC Peak Output Current ... 50mA INTVCC, (BOOST-SW), CLKOUT, PGOOD . 8.5V to –0.3V Operating Temperature Range (Note 2)..–40°C to 85°C RUN, TRACK/SS .. 7V to –0.3V Junction Temperature (Note 3) ... 125°C SENSE+, SENSE– Voltages ...11V to –0.3V Storage Temperature Range .. –65°C to 150°C PLLIN/MODE, PHASMD, PLLLPF ...INTVCC to –0.3V Lead Temperature (Soldering, 10 sec) EXTVCC ... 10V to –0.3V FE Package ...300°C
PIN CONFIGURATION
TOP VIEW TOP VIEW CLKOUT 1 20 PHASMD PLLLPF 2 19 PLLIN/MODE PLLLPF CLKOUT PHASMD PLLIN/MODE 20 19 18 17 ITH 3 18 PGOOD TRACKS/SS 4 17 SENSE+ ITH 1 16 PGOOD V TRACK/SS 2 15 SENSE+ FB 5 21 16 SENSE– VFB 3 14 SENSE– SGND 6 15 RUN 21 SGND 4 13 RUN PGND 7 14 BOOST PGND 5 12 BOOST BG 8 13 TG BG 6 11 TG INTVCC 9 12 SW 7 8 9 10 EXTVCC 10 11 VIN V CC V CC V IN SW FE PACKAGE INT 20-LEAD PLASTIC TSSOP EXT UFD PACKAGE TJMAX = 125°C, θJA = 35°C/W 20-PIN (4mm × 5mm) PLASTIC QFN EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3834EFE#PBF LTC3834EFE#TRPBF LTC3834FE 20-Lead Plastic TSSOP –40°C to 85°C (Note 2) LTC3834IFE#PBF LTC3834IFE#TRPBF LTC3834FE 20-Lead Plastic TSSOP –40°C to 85°C LTC3834EUFD#PBF LTC3834EUFD#TRPBF 3834 20-Lead (4mm × 5mm) Plastic QFN –40°C to 85°C (Note 2) LTC3834IUFD#PBF LTC3834IUFD#TRPBF 3834 20-Lead (4mm × 5mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. 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/ 3834fc 2 For more information www.linear.com/LTC3834 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Package Description Typical Application Related Parts