Datasheet LTC3852 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Low Input Voltage, Synchronous Step-Down DC/DC Controller |
| 页数 / 页 | 32 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| 文件格式/大小 | PDF / 429 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
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LTC3852
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW IN1) ... 6V to – 0.3V Top Side Driver Voltage (BOOST) ...46V to – 0.3V Switch Voltage (SW) ..40V to – 0.3V FBV I TH TRACK/SS RUN V 24 23 22 21 PUMP ... 5.5V to – 0.3V SHDN, RUN ..6V to –0.3V SENSE– 1 20 FREQ/PLLFLTR VPUMP Short-Circuit Duration .. Indefi nite SENSE+ 2 19 MODE/PLLIN VIN2 ..40V to – 0.3V PGOOD 3 18 SW INTVCC, (BOOST-SW), RUN, PGOOD ...6V to – 0.3V GND2 4 17 TG 25 INTVCC, Peak Output Current ...50mA BG 5 GND 16 BOOST SENSE+, SENSE– .. 6V to – 0.3V NC 6 15 VIN2 MODE/PLLIN, TRACK/SS ...INTV C+ 7 14 INTV CC to – 0.3V CC FREQ/PLLFLTR ...INTV C– 8 13 VPUMP CC to – 0.3V ITH, VFB ..3V to – 0.3V 9 10 11 12 Operating Junction Temperature (Note 2) ... 125°C NC IN1V Storage Temperature Range ..– 65°C to 125°C SHDN GND1 UDD PACKAGE 24-LEAD (3mm s 5mm) PLASTIC QFN TJMAX = 125°C, qJA = 38°C/W EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3852EUDD#PBF LTC3852EUDD#TRPBF LFRJ 24-Lead (3mm ¥ 5mm) Plastic QFN –40°C to 125°C LTC3852IUDD#PBF LTC3852IUDD#TRPBF LFRJ 24-Lead (3mm ¥ 5mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 3852f 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW IN1) ... 6V to – 0.3V Top Side Driver Voltage (BOOST) ...46V to – 0.3V Switch Voltage (SW) ..40V to – 0.3V FBV I TH TRACK/SS RUN V 24 23 22 21 PUMP ... 5.5V to – 0.3V SHDN, RUN ..6V to –0.3V SENSE– 1 20 FREQ/PLLFLTR VPUMP Short-Circuit Duration .. Indefi nite SENSE+ 2 19 MODE/PLLIN VIN2 ..40V to – 0.3V PGOOD 3 18 SW INTVCC, (BOOST-SW), RUN, PGOOD ...6V to – 0.3V GND2 4 17 TG 25 INTVCC, Peak Output Current ...50mA BG 5 GND 16 BOOST SENSE+, SENSE– .. 6V to – 0.3V NC 6 15 VIN2 MODE/PLLIN, TRACK/SS ...INTV C+ 7 14 INTV CC to – 0.3V CC FREQ/PLLFLTR ...INTV C– 8 13 VPUMP CC to – 0.3V ITH, VFB ..3V to – 0.3V 9 10 11 12 Operating Junction Temperature (Note 2) ... 125°C NC IN1V Storage Temperature Range ..– 65°C to 125°C SHDN GND1 UDD PACKAGE 24-LEAD (3mm s 5mm) PLASTIC QFN TJMAX = 125°C, qJA = 38°C/W EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3852EUDD#PBF LTC3852EUDD#TRPBF LFRJ 24-Lead (3mm ¥ 5mm) Plastic QFN –40°C to 125°C LTC3852IUDD#PBF LTC3852IUDD#TRPBF LFRJ 24-Lead (3mm ¥ 5mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 3852f 2