参数资料
型号: LTC3853IUJ#TR
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 0.15 A DUAL SWITCHING CONTROLLER, 830 kHz SWITCHING FREQ-MAX, PQCC40
封装: 6 X 6 MM, PLASTIC, QFN-40
文件页数: 30/36页
文件大小: 1780K
代理商: LTC3853IUJ#TR
LTC3853
36
3853fa
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2008
LT 1210 REV A PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC3850/LTC3850-1/
LTC3850-2
Dual Output Synchronous Step-Down DC/DC Controller RSENSE
or DCR Current Sensing
Phase Lockable Fixed 250kHz to 780kHz Frequency,
4V ≤ VIN ≤ 30V, 0.8V ≤ VOUT ≤ 5.25V
LTC3860
Dual Output Synchronous Step-Down DC/DC Controller with
Diff Amp, DCR Current Sense, Polyphase and Three-State
Output Drive
Operates with Power Blocks, DRMOS Devices or External
MOSFETs 3V ≤ VIN ≤ 24V, tON(MIN) = 20ns
LTC3855
Dual Output Synchronous Step-Down DC/DC Controller with
Diff Amp, Polyphase and DCR Temperature Compensation
Phase Lockable Fixed Frequency 250kHz to 770kHz,
4.5V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 12V
LTC3829
3-Phase, Single Output Synchronous Step-Down DC/DC
Controller with Diff Amp, Polyphase and DCR Temperature
Compensation
Phase Lockable Fixed 250kHz to 770kHz Frequency,
4.5V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 5V
LTC3856
2-Phase, Single Output Synchronous Step-Down DC/DC
Controller with Diff Amp, Polyphase and DCR Temperature
Compensation
Phase Lockable Fixed Frequency 250kHz to 770kHz,
4.5V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 5V
LTC3851A/LTC3851A-1 Single Output Synchronous Step-Down DC/DC Controller
RSENSE or DCR Current Sensing
Phase Lockable Fixed Operating Frequency 250kHz to 750kHz,
4V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 5.25V, MSOP-16E 3mm × 3mm
QFN-16, SSOP-16
TG1
TG2
BOOST1,2,3
SW1
SW2
BG1
BG2
SENSE1+
SENSE2+
SENSE1
SENSE2
VFB1
VFB2
VFB3
ITH1
ITH2
ITH3
VIN
INTVCC
DRVCC12
LTC3853
MODE/PLLIN
20k
1%
FREQ/PLLFLTR
ILIM
PGND
PGOOD12
SGND
TK/SS1
SENSE3
SENSE3+
SW3
TG3
BG3
RUN1
RUN2
RUN3
PGOOD3
EXTVCC
100*
2.55k
4.7F
10k
INTVCC
VOUT1
2.5V
40A
VOUT1
0.002
5%
VOUT1
VIN
6.5V TO 14V
CITH1
RITH1
1000pF*
660F
4V
×3
RITH1 = 3.9k, CITH1 = 10nF, CP1 = 470pF 3
SHORT TK/SS1, TK/SS2 AND TK/SS3 TOGETHER
CP1
180F
16V
CSS1
0.33F
1000pF
1000pF*
100*
0.78H
CB1,2,3 0.1F
SW1,2,3
DB1,2,3
100*
+
3853 TA05
100*
43.2k
1%
0.002
5%
47pF
0.002
5%
*THESE FILTER COMPONENTS NEED TO BE CLOSE TO THE IC
TYPICAL APPLICATION
Three Phase 2.5V Output High Current Step-Down Converter with RSENSE
相关PDF资料
PDF描述
LTC3853EUJ#TR 0.15 A DUAL SWITCHING CONTROLLER, 830 kHz SWITCHING FREQ-MAX, PQCC40
LTC3853EUJ 0.15 A DUAL SWITCHING CONTROLLER, 830 kHz SWITCHING FREQ-MAX, PQCC40
LTC4011EFE#PBF BATTERY CHARGE CONTROLLER, 615 kHz SWITCHING FREQ-MAX, PDSO20
LTC4075HVXEDD#TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
LTC4075HVXEDD 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
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参数描述
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