參數(shù)資料
型號: LTC3867IUF#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.1 A SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PQCC24
封裝: 4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGD, QFN-24
文件頁數(shù): 30/36頁
文件大?。?/td> 380K
代理商: LTC3867IUF#PBF
LTC3867
36
3867f
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2011
LT 0711 PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
12V, 4A Output with RSENSE Synchronized to 400kHz
PART NUMBER
DESCRIPTION
COMMENTS
LTC3833
Fast Accurate Step-Down DC/DC Controller with
Differential Output Sensing
Very Fast Transient Response, tON(MIN) = 20ns, 4.5V ≤ VIN ≤ 38V,
0.6V ≤ VOUT ≤ 5.5V, TSSOP-20E, 3mm × 4mm QFN-20
LTC3878/LTC3879
No RSENSE Constant On-Time Synchronous Step-Down
DC/DC Controllers
Very Fast Transient Response, tON(MIN) = 43ns, 4V ≤ VIN ≤ 38V,
0.6V ≤ VOUT ≤ 0.9VIN, SSOP-16, MSOP-16E, 3mm × 3mm QFN-16
LTC3775
High Frequency Synchronous Voltage Mode Step-Down
DC/DC Controller
Very Fast Transient Response, tON(MIN) = 30ns, 4V ≤ VIN ≤ 38V,
0.6V ≤ VOUT ≤ 0.8VIN, MSOP-16E, 3mm × 3mm QFN-16
LTC3854
Small Footprint Synchronous Step-Down DC/DC
Fixed 400kHz Operating Frequency, 4.5V ≤ VIN ≤ 38V,
0.8V ≤ VOUT ≤ 5.25V, 2mm × 3mm QFN-12
LTC3851A/LTC3851A-1 No RSENSE Wide VIN Range Synchronous Step-Down
DC/DC Controllers
PLL Fixed Frequency 250kHz to 750kHz, 4V ≤ VIN ≤ 38V,
0.8V ≤ VOUT ≤ 5.25V, MSOP-16E, 3mm × 3mm QFN-16, SSOP-16
LTC3891
60V, 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 Diff Amp and DCR Temp Compensation
PLL Fixed 250kHz to 770kHz Frequency, 4.5V ≤ VIN ≤ 38V,
0.6V ≤ VOUT ≤ 5.25V
LTC3829
3-Phase, Single Output Synchronous Step-Down DC/DC
Controller with Diff Amp and DCR Temp Compensation
PLL Fixed 250kHz to 770kHz Frequency, 4.5V ≤ VIN ≤ 38V,
0.6V ≤ VOUT ≤ 5.25V
LTC3855
2-Phase, Dual Output Synchronous Step-Down DC/DC
Controller with Differential Remote Sense
PLL Fixed Frequency 250kHz to 770kHz, 4.5V ≤ VIN ≤ 38V,
0.6V ≤ VOUT ≤ 12.5V
LTC3860
Dual, Multiphase, Synchronous Step-Down DC/DC
Controller with Diff Amp and Tri-State Output Drive
Operates with Power Blocks, DRMOS Devices or External Drivers/
MOSFETs, 3V ≤ VIN ≤ 24V, tON(MIN) = 20ns
LTC3869/LTC3869-2
2-Phase, Dual Output Synchronous Step-Down DC/DC
Controllers, with Accurate Multiphase Current Matching
PLL Fixed Frequency 250kHz to 780kHz, 4V ≤ VIN ≤ 30V,
0.6V ≤ VOUT ≤ 12.5V, 4mm × 5mm QFN-28, SSOP-28
RUN
DIFF+
DIFF–
DIFFOUT
VFB
ITH
PGND
BG
INTVCC
VIN
EXTVCC
ITEMP
FREQ
MODE/PLLIN
PGOOD BOOST
TG SW
IF
AST
TKSS SENSE
+
SENSE
I LIM ITSD
LTC3867
37.4k
RUN
PLLIN
400kHz
100k
INTVCC
VOSP
VOSN
3867 TA04
VOSP
VOSN
43k
10
470pF
0.1F
220F
16V
VOUT
12V
4A
L1
6.8H
RSENSE
0.011
VIN
14V TO 24V
4.7F
1nF
INTVCC
SDM10K45
0.1F
22pF
143k
7.5k
330pF
10
M1
M2
10
M1, M2: Si4816BDY
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PDF描述
LTC4000IUFD#PBF 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC28
LTC4000EUFD#PBF 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC28
LTC4000EUFD#TRPBF 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC28
LTC4000IUFD#TRPBF 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC28
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