Datasheet LTC3892, LTC3892-1, LTC3892-2 (Analog Devices) - 38
| 制造商 | Analog Devices |
| 描述 | 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller |
| 页数 / 页 | 38 / 38 — TYPICAL APPLICATION. Figure 14. High Current Dual-Phase Single Output … |
| 文件格式/大小 | PDF / 1.4 Mb |
| 文件语言 | 英语 |
TYPICAL APPLICATION. Figure 14. High Current Dual-Phase Single Output Step-Down 12V Converter. RELATED PARTS PART NUMBER
该数据表的模型线
- LTC3892EFE-1#PBF LTC3892EFE-1#TRPBF LTC3892EUH#PBF LTC3892EUH#TRPBF LTC3892EUH-2#PBF LTC3892EUH-2#TRPBF LTC3892HFE-1#PBF LTC3892HFE-1#TRPBF LTC3892HUH#PBF LTC3892HUH#TRPBF LTC3892HUH-2#PBF LTC3892HUH-2#TRPBF LTC3892IFE-1#PBF LTC3892IFE-1#TRPBF LTC3892IUH#PBF LTC3892IUH#TRPBF LTC3892IUH-2#PBF LTC3892IUH-2#TRPBF LTC3892MPFE-1#PBF LTC3892MPFE-1#TRPBF LTC3892MPUH#PBF LTC3892MPUH#TRPBF LTC3892MPUH-2#PBF LTC3892MPUH-2#TRPBF
文件文字版本
LTC3892/ LTC3892-1/LTC3892-2
TYPICAL APPLICATION
VIN 16V TO 60VC C INA INB 100µF 2.2µF RUN1 VIN RUN2 x5 MTOP1 TG1 TG2 MTOP2 x2 x2 R L1 BOOST1 BOOST2 SNS1 C 3mΩ 10µH B1 C L2 R B2 SNS2 0.1µF 0.1µF 10µH 3mΩ VOUT SW1 SW2 12V 30A C C OUT1A OUT1B MBOT1 BG1 BG2 MBOT2 COUT2B COUT2A 150µF 10µF 10µF 150µF x2 x2 LTC3892-1 SENSE1+ SENSE2+ RA1 CSNS1 CSNS2 100k 1nF 1nF SENSE1– SENSE2– VFB1 VFB2 ITH1 ITH2 RB1 7.15k TRACK/SS1 TRACK/SS2 C R ITH2A ITH1 EXTVCC VOUT 9.78k 47pF CITH1B CSS1 47pF 0.1µF CITH1A 4.7nF FREQ DRVSET PLLIN/MODE DRVUV INTVCC GND DRVCC RFREQ 29.4k C C TOP1, TOP2: BSC123N08NS3G INTVCC DRVCC 0.1µF 4.7µF BOT1, BOT2: BSC047N08NS3G L1, L2: COILCRAFT SER2918H-103KL 3892 TA04
Figure 14. High Current Dual-Phase Single Output Step-Down 12V Converter RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC3890/LTC3890-1 60V, Low IQ, Dual 2-Phase Synchronous Step-Down PLL Fixed Frequency 50kHz to 900kHz, 4V ≤ VIN ≤ 60V, LTC3890-2/LTC3890-3 DC/DC Controller with 99% Duty Cycle 0.8V ≤ VOUT ≤ 24V, IQ = 50μA LTC3891 60V, Low IQ, Synchronous Step-Down DC/DC Controller PLL Fixed Frequency 50kHz to 900kHz, 4V ≤ VIN ≤ 60V, with 99% Duty Cycle 0.8V ≤ VOUT ≤ 24V, IQ = 50μA LTC3864 60V, Low IQ, High Voltage DC/DC Controller Fixed Frequency 50kHz to 850kHz, 3.5V ≤ VIN ≤ 60V, with 100% Duty Cycle 0.8V ≤ VOUT ≤ VIN, IQ = 40μA, MSOP-12E, 3mm × 4mm DFN-12 LTC3899 60V, Triple Output, Buck/Buck/Boost Synchronous 4.5V (Down to 2.2V after Start-Up) ≤ VIN ≤ 60V, VOUT Up to 60V, Controller with 29µA Burst Mode IQ Buck VOUT Range: 0.8V to 60V, Boost VOUT Up to 60V LTC3859AL 38V, Low IQ, Triple Output, Buck/Buck/Boost Synchronous 4.5V (Down to 2.5V after Start-Up) ≤ VIN ≤ 38V, VOUT Up to 60V, Controller with 28µA Burst Mode IQ Buck VOUT Range: 0.8V to 24V, Boost VOUT Up to 60V, LTC3857/LTC3857-1 38V, Low IQ, Dual Output 2-Phase Synchronous PLL Fixed Operating Frequency 50kHz to 900kHz, 4V ≤ VIN ≤ 38V, LTC3858/LTC3858-1 Step-Down DC/DC Controller with 99% Duty Cycle 0.8V ≤ VOUT ≤ 24V, IQ = 50μA/170μA LTC3807 38V, Low IQ, Synchronous Step-Down Controller with PLL Fixed Frequency 50kHz to 900kHz, 4V ≤ VIN ≤ 38V, 24V Output Voltage Capability 0.8V ≤ VOUT ≤ 24V, IQ = 50μA 38921fc 38 LT 0717 REV C • PRINTED IN USA www.linear.com/LTC3892 For more information www.linear.com/LTC3892 LINEAR TECHNOLOGY CORPORATION 2015 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Functional Diagrams Operation Package Description Typical Application Related Parts
TYPICAL APPLICATION
VIN 16V TO 60VC C INA INB 100µF 2.2µF RUN1 VIN RUN2 x5 MTOP1 TG1 TG2 MTOP2 x2 x2 R L1 BOOST1 BOOST2 SNS1 C 3mΩ 10µH B1 C L2 R B2 SNS2 0.1µF 0.1µF 10µH 3mΩ VOUT SW1 SW2 12V 30A C C OUT1A OUT1B MBOT1 BG1 BG2 MBOT2 COUT2B COUT2A 150µF 10µF 10µF 150µF x2 x2 LTC3892-1 SENSE1+ SENSE2+ RA1 CSNS1 CSNS2 100k 1nF 1nF SENSE1– SENSE2– VFB1 VFB2 ITH1 ITH2 RB1 7.15k TRACK/SS1 TRACK/SS2 C R ITH2A ITH1 EXTVCC VOUT 9.78k 47pF CITH1B CSS1 47pF 0.1µF CITH1A 4.7nF FREQ DRVSET PLLIN/MODE DRVUV INTVCC GND DRVCC RFREQ 29.4k C C TOP1, TOP2: BSC123N08NS3G INTVCC DRVCC 0.1µF 4.7µF BOT1, BOT2: BSC047N08NS3G L1, L2: COILCRAFT SER2918H-103KL 3892 TA04
Figure 14. High Current Dual-Phase Single Output Step-Down 12V Converter RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC3890/LTC3890-1 60V, Low IQ, Dual 2-Phase Synchronous Step-Down PLL Fixed Frequency 50kHz to 900kHz, 4V ≤ VIN ≤ 60V, LTC3890-2/LTC3890-3 DC/DC Controller with 99% Duty Cycle 0.8V ≤ VOUT ≤ 24V, IQ = 50μA LTC3891 60V, Low IQ, Synchronous Step-Down DC/DC Controller PLL Fixed Frequency 50kHz to 900kHz, 4V ≤ VIN ≤ 60V, with 99% Duty Cycle 0.8V ≤ VOUT ≤ 24V, IQ = 50μA LTC3864 60V, Low IQ, High Voltage DC/DC Controller Fixed Frequency 50kHz to 850kHz, 3.5V ≤ VIN ≤ 60V, with 100% Duty Cycle 0.8V ≤ VOUT ≤ VIN, IQ = 40μA, MSOP-12E, 3mm × 4mm DFN-12 LTC3899 60V, Triple Output, Buck/Buck/Boost Synchronous 4.5V (Down to 2.2V after Start-Up) ≤ VIN ≤ 60V, VOUT Up to 60V, Controller with 29µA Burst Mode IQ Buck VOUT Range: 0.8V to 60V, Boost VOUT Up to 60V LTC3859AL 38V, Low IQ, Triple Output, Buck/Buck/Boost Synchronous 4.5V (Down to 2.5V after Start-Up) ≤ VIN ≤ 38V, VOUT Up to 60V, Controller with 28µA Burst Mode IQ Buck VOUT Range: 0.8V to 24V, Boost VOUT Up to 60V, LTC3857/LTC3857-1 38V, Low IQ, Dual Output 2-Phase Synchronous PLL Fixed Operating Frequency 50kHz to 900kHz, 4V ≤ VIN ≤ 38V, LTC3858/LTC3858-1 Step-Down DC/DC Controller with 99% Duty Cycle 0.8V ≤ VOUT ≤ 24V, IQ = 50μA/170μA LTC3807 38V, Low IQ, Synchronous Step-Down Controller with PLL Fixed Frequency 50kHz to 900kHz, 4V ≤ VIN ≤ 38V, 24V Output Voltage Capability 0.8V ≤ VOUT ≤ 24V, IQ = 50μA 38921fc 38 LT 0717 REV C • PRINTED IN USA www.linear.com/LTC3892 For more information www.linear.com/LTC3892 LINEAR TECHNOLOGY CORPORATION 2015 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Functional Diagrams Operation Package Description Typical Application Related Parts