Datasheet LTC3826-1 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 30µA IQ, Dual, 2-Phase Synchronous Step-Down Controller |
| 页数 / 页 | 32 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| 文件格式/大小 | PDF / 438 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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LTC3826-1
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
TOP VIEW Input Supply Voltage (VIN) ... 36V to –0.3V I 1 28 TH1 TRACK/SS1 Topside Driver Voltages V 2 27 FB1 PGOOD1 BOOST1, BOOST2 .. 42V to –0.3V SENSE1+ 3 26 TG1 Switch Voltage (SW1, SW2) ... 36V to –5V SENSE1– 4 25 SW1 (BOOST1-SW1), (BOOST2-SW2) ... 8.5V to –0.3V PLLLPF 5 24 BOOST1 RUN1, RUN2 ... 7V to –0.3V PLLIN/MODE 6 23 BG1 SENSE1+, SENSE2+, SENSE1–, SGND 7 22 VIN SENSE2– Voltages ... 11V to –0.3V RUN1 8 21 PGND RUN2 9 20 EXTV PLLIN/MODE, PLLLPF, TRACK/SS1, TRACK/SS2 CC SENSE2– 10 19 INTVCC Voltages ... INTVCC to –0.3V SENSE2+ 11 18 BG2 EXTVCC .. 10V to –0.3V V 12 17 FB2 BOOST2 ITH1, ITH2, VFB1, VFB2 Voltages ... 2.7V to –0.3V I 13 16 TH2 SW2 PGOOD1 Voltage ... 8.5V to –0.3V TRACK/SS2 14 15 TG2 Peak Output Current <10μs (TG1, TG2, BG1, BG2) ...3A G PACKAGE 28-LEAD PLASTIC SSOP Operating Temperature Range (Note 2).. –40°C to 85°C TJMAX = 125°C, QJA = 95°C/W Junction Temperature (Note 3) ... 125°C Storage Temperature Range ... –65°C to 150°C Lead Temperature (Soldering, 10 sec) .. 300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3826EG-1#PBF LTC3826EG-1#TRPBF LTC3826EG-1 28-Lead Plastic SSOP –40°C to 85°C LTC3826IG-1#PBF LTC3826IG-1#TRPBF LTC3826IG-1 28-Lead Plastic SSOP –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3826EG-1 LTC3826EG-1#TR LTC3826EG-1 28-Lead Plastic SSOP –40°C to 85°C LTC3826IG-1 LTC3826IG-1#TR LTC3826IG-1 28-Lead Plastic SSOP –40°C to 85°C Consult LTC Marketing for parts specifi ed 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 specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 12V, VRUN/SS1, 2 = 5V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loops
VFB1, 2 Regulated Feedback Voltage (Note 4) ITH1, 2 Voltage = 1.2V l 0.792 0.800 0.808 V IVFB1, 2 Feedback Current (Note 4) –5 –50 nA VREFLNREG Reference Voltage Line Regulation VIN = 4V to 30V (Note 4) 0.002 0.02 %/V 38261fb 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
TOP VIEW Input Supply Voltage (VIN) ... 36V to –0.3V I 1 28 TH1 TRACK/SS1 Topside Driver Voltages V 2 27 FB1 PGOOD1 BOOST1, BOOST2 .. 42V to –0.3V SENSE1+ 3 26 TG1 Switch Voltage (SW1, SW2) ... 36V to –5V SENSE1– 4 25 SW1 (BOOST1-SW1), (BOOST2-SW2) ... 8.5V to –0.3V PLLLPF 5 24 BOOST1 RUN1, RUN2 ... 7V to –0.3V PLLIN/MODE 6 23 BG1 SENSE1+, SENSE2+, SENSE1–, SGND 7 22 VIN SENSE2– Voltages ... 11V to –0.3V RUN1 8 21 PGND RUN2 9 20 EXTV PLLIN/MODE, PLLLPF, TRACK/SS1, TRACK/SS2 CC SENSE2– 10 19 INTVCC Voltages ... INTVCC to –0.3V SENSE2+ 11 18 BG2 EXTVCC .. 10V to –0.3V V 12 17 FB2 BOOST2 ITH1, ITH2, VFB1, VFB2 Voltages ... 2.7V to –0.3V I 13 16 TH2 SW2 PGOOD1 Voltage ... 8.5V to –0.3V TRACK/SS2 14 15 TG2 Peak Output Current <10μs (TG1, TG2, BG1, BG2) ...3A G PACKAGE 28-LEAD PLASTIC SSOP Operating Temperature Range (Note 2).. –40°C to 85°C TJMAX = 125°C, QJA = 95°C/W Junction Temperature (Note 3) ... 125°C Storage Temperature Range ... –65°C to 150°C Lead Temperature (Soldering, 10 sec) .. 300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3826EG-1#PBF LTC3826EG-1#TRPBF LTC3826EG-1 28-Lead Plastic SSOP –40°C to 85°C LTC3826IG-1#PBF LTC3826IG-1#TRPBF LTC3826IG-1 28-Lead Plastic SSOP –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3826EG-1 LTC3826EG-1#TR LTC3826EG-1 28-Lead Plastic SSOP –40°C to 85°C LTC3826IG-1 LTC3826IG-1#TR LTC3826IG-1 28-Lead Plastic SSOP –40°C to 85°C Consult LTC Marketing for parts specifi ed 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 specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 12V, VRUN/SS1, 2 = 5V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loops
VFB1, 2 Regulated Feedback Voltage (Note 4) ITH1, 2 Voltage = 1.2V l 0.792 0.800 0.808 V IVFB1, 2 Feedback Current (Note 4) –5 –50 nA VREFLNREG Reference Voltage Line Regulation VIN = 4V to 30V (Note 4) 0.002 0.02 %/V 38261fb 2