參數(shù)資料
型號: LTC3869IGN-2#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, PDSO28
封裝: 0.150 INCH, LEAD FREE, PLASTIC, SSOP-28
文件頁數(shù): 35/40頁
文件大小: 2705K
代理商: LTC3869IGN-2#PBF
LTC3869/LTC3869-2
40
3869f
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2011
LT 0211 PRINTED IN USA
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VOUT1
3.3V
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0.1F
147k
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L2
3.3H
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COUT2
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15k
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VOUT2
5V
5A
TG1
TG2
BOOST1
BOOST2
SW1
SW2
BG1
BG2
SGND
PGND
FREQ
SENSE1+
SENSE2+
RUN2
EXTVCC
SENSE1
SENSE2
VFB1
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ITH1
ITH2
VIN PGOOD INTVCC
TK/SS1
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VIN
7V TO
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3869 TA02
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4.7F
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2.2
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L1: TDK RLF 7030T-2R2M5R4
L2: TDK ULF10045T-3R3N6R9
COUT1: SANYO 4TPE220MF
COUT2: SANYO 6TPE150MI
8m
M1
M2
Si4816BDY
PART NUMBER DESCRIPTION
COMMENTS
LTC3850/
LTC3850-1/
LTC3850-2
Dual 2-Phase, High Efficiency Synchronous Step-Down DC/DC
Controller, RSENSE or DCR Current Sensing and Tracking
Phase-Lockable Fixed 250kHz to 780kHz Frequency,
4V ≤ VIN ≤ 30V, 0.8V ≤ VOUT ≤ 5.25V
LTC3860
Dual, Multiphase, Synchronous Step-Down DC/DC Controller with
Differential Amplifier and Tri-State Output Drive
Operates with Power Blocks, DRMOS Devices or External Drivers/
MOSFETs, 3V ≤ VIN ≤ 24V, tON(MIN) = 20ns
LTC3855
Dual, Multiphase, Synchronous Step-Down DC/DC Controller with
Differential Amplifier and DCR Temperature Compensation
Phase-Lockable Fixed Frequency 250kHz to 770kHz,
4.5V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 12V
LTC3890
Dual, High VIN Low IQ Synchronous Step-Down DC/DC Controller
PLL Capable Fixed Frequency 50kHz to 900kHz,
4V ≤ VIN ≤ 60V, 0.8V ≤ VOUT ≤ 24V, IQ = 50A
LTC3856
2-Phase, Single Output Synchronous Step-Down DC/DC Controller
with Differential Amplifier and DCR Temperature Compensation
Phase-Lockable Fixed 250kHz to 770kHz Frequency,
4.5V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 5V
LTC3853
Triple Output, Multiphase Synchronous Step-Down DC/DC Controller,
RSENSE or DCR Current Sensing and Tracking
Phase-Lockable Fixed 250kHz to 750kHz Frequency,
4V ≤ VIN ≤ 24V, VOUT3 Up to 13.5V
LTC3851A/
LTC3851A-1
No RSENSE Wide VIN Range Synchronous Step-Down DC/DC
Controller
PLL Fixed Frequency 250kHz to 750kHz, 4V ≤ VIN ≤ 38V,
0.8V ≤ VOUT ≤ 5.25V, MSOP-16E, 3mm × 3mm QFN-16, SSOP-16
LTC3833
Fast Controlled On-Time, High Frequency Synchronous
Step-Down Controller with Differential Amplifier
Up to 2MHz Operating Frequency, 4V ≤ VIN ≤ 38V,
0.8V ≤ VOUT ≤ 5.5V, 3mm × 4mm QFN-20, TSSOP-20E
TYPICAL APPLICATIONS
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PDF描述
LTC3872ETS8 SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, PDSO8
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LTC3872ITS8#TRPBF SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, PDSO8
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