Datasheet LTC4121, LTC4121-4.2 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 40V 400mA Synchronous Step-Down Battery Charger |
| Pages / Page | 30 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| File Format / Size | PDF / 383 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. (http://www.linear.com/product/LTC4121#orderinfo)
Model Line for this Datasheet
Text Version of Document
LTC4121/LTC4121-4.2
ABSOLUTE MAXIMUM RATINGS (Note 1)
IN, RUN, CHRG, FAULT, MPPT ... –0.3V to 43V ICHRG, IFAULT, ..±5mA BOOST ... VSW – 0.3V to (VSW + 6V) IFB, IFBG (LTC4121) ...±5mA SW (DC) .. –0.3V to (VIN + 0.3V) IBATSNS (LTC4121-4.2) ...±5mA SW (Pulsed <100ns) ..–1.5V to (VIN + 1.5V) IINTVCC .. –5mA CHGSNS, BAT, FB/BATSNS, FBG .. –0.3V to 18V Operating Junction Temperature Range FREQ, NTC, PROG, INTVCC .. –0.3V to 6V (Note 2) .. –40°C to 125°C ICHGSNS, IBAT ... ±600mA Storage Temperature Range .. –65°C to 150°
PIN CONFIGURATION
LTC4121 LTC4121-4.2 TOP VIEW TOP VIEW T T RUN FAUL CHRG PROG RUN FAUL CHRG PROG 16 15 14 13 16 15 14 13 INTVCC 1 12 NTC INTVCC 1 12 NTC BOOST 2 11 FBG BOOST 2 11 NC GND GND IN 3 10 FB IN 3 10 BATSNS SW 4 9 BAT SW 4 9 BAT 5 6 7 8 5 6 7 8 T T GND MPP FREQ GND MPP FREQ CHGSNS CHGSNS UD PACKAGE UD PACKAGE 16-LEAD (3mm × 3mm) PLASTIC QFN 16-LEAD (3mm × 3mm) PLASTIC QFN TJMAX = 125°C, θJA = 54°C/W TJMAX = 125°C, θJA = 54°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB TO OBTAIN θJA EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB TO OBTAIN θJA
ORDER INFORMATION (http://www.linear.com/product/LTC4121#orderinfo) LTC4121 Options PART NUMBER FLOAT VOLTAGE
LTC4121 Programmable LTC4121-4.2 4.2V Fixed
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4121EUD#PBF LTC4121EUD#TRPBF LGHC 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC4121IUD#PBF LTC4121IUD#TRPBF LGHC 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC4121EUD-4.2#PBF LTC4121EUD-4.2#TRPBF LGMV 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC4121IUD-4.2#PBF LTC4121IUD-4.2#TRPBF LGMV 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 4121fc 2 For more information www.linear.com/LTC4121 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Applications Examples Package Description Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS (Note 1)
IN, RUN, CHRG, FAULT, MPPT ... –0.3V to 43V ICHRG, IFAULT, ..±5mA BOOST ... VSW – 0.3V to (VSW + 6V) IFB, IFBG (LTC4121) ...±5mA SW (DC) .. –0.3V to (VIN + 0.3V) IBATSNS (LTC4121-4.2) ...±5mA SW (Pulsed <100ns) ..–1.5V to (VIN + 1.5V) IINTVCC .. –5mA CHGSNS, BAT, FB/BATSNS, FBG .. –0.3V to 18V Operating Junction Temperature Range FREQ, NTC, PROG, INTVCC .. –0.3V to 6V (Note 2) .. –40°C to 125°C ICHGSNS, IBAT ... ±600mA Storage Temperature Range .. –65°C to 150°
PIN CONFIGURATION
LTC4121 LTC4121-4.2 TOP VIEW TOP VIEW T T RUN FAUL CHRG PROG RUN FAUL CHRG PROG 16 15 14 13 16 15 14 13 INTVCC 1 12 NTC INTVCC 1 12 NTC BOOST 2 11 FBG BOOST 2 11 NC GND GND IN 3 10 FB IN 3 10 BATSNS SW 4 9 BAT SW 4 9 BAT 5 6 7 8 5 6 7 8 T T GND MPP FREQ GND MPP FREQ CHGSNS CHGSNS UD PACKAGE UD PACKAGE 16-LEAD (3mm × 3mm) PLASTIC QFN 16-LEAD (3mm × 3mm) PLASTIC QFN TJMAX = 125°C, θJA = 54°C/W TJMAX = 125°C, θJA = 54°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB TO OBTAIN θJA EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB TO OBTAIN θJA
ORDER INFORMATION (http://www.linear.com/product/LTC4121#orderinfo) LTC4121 Options PART NUMBER FLOAT VOLTAGE
LTC4121 Programmable LTC4121-4.2 4.2V Fixed
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4121EUD#PBF LTC4121EUD#TRPBF LGHC 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC4121IUD#PBF LTC4121IUD#TRPBF LGHC 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC4121EUD-4.2#PBF LTC4121EUD-4.2#TRPBF LGMV 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC4121IUD-4.2#PBF LTC4121IUD-4.2#TRPBF LGMV 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 4121fc 2 For more information www.linear.com/LTC4121 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Applications Examples Package Description Typical Application Related Parts
