參數(shù)資料
型號: LTC3827IG-1#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 3 A DUAL SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, PDSO28
封裝: 5.30 MM, PLASTIC, SSOP-28
文件頁數(shù): 26/32頁
文件大?。?/td> 448K
代理商: LTC3827IG-1#TR
LTC3827-1
32
38271fe
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2005
LT 0808 REV E PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
High Efciency Dual 3.3V/8.0V Step-Down Converter
CIN1
10μF
CINT2
1μF
D2
D1
C1
1nF
RB1
215k
38271 TA06
CSS1
0.01μF
CITH1
1200pF
RITH1
10k
RA1
68.1k
CITH1A
100pF
C2
1nF
RB2
353k
CSS2
0.01μF
CITH2
560pF
RITH2
35k
RA2
39.2k
CITH2A
100pF
CB2
0.47μF
R2
100k
CINT1
4.7μF
COUT2
150μF
CB1 0.47μF
MTOP2
MBOT2
MTOP1
MBOT1
L2
7.2μH
RSNS2
15mΩ
VOUT1
3.3V
10A
VIN
12V
VOUT2
8V
2A
L1
1.5μH
RSNS1
5mΩ
CIN2
10μF
COUT1
150μF
× 2
ITH1
VFB1
SENSE1+
SENSE1
PLLLPF
PLLIN/MODE
SGND
RUN1
RUN2
SENSE2
SENSE2+
VFB2
ITH2
TRACK/SS2
TRACK/SS1
PGOOD1
TG1
SW1
BOOST1
BG1
VIN
PGND
EXTVCC
INTVCC
BG2
BOOST2
SW2
TG2
LTC3827-1
+
39pF
MTOP1, MTOP2, MBOT1, MBOT2: Si7848DP
L1: CDEP105-3R2M
L2: CDEP105-7R2M
COUT1, COUT2 : SANYO 10TPD150M
PART NUMBER
DESCRIPTION
COMMENTS
LTC1628/LTC1628-PG/
LTC1628-SYNC
2-Phase, Dual Output Synchronous Step-Down
DC/DC Controller
Reduces CIN and COUT, Power Good Output Signal, Synchronizable,
3.5V ≤ VIN ≤ 36V, IOUT Up to 20A, 0.8V ≤ VOUT ≤ 5V
LTC1735
High Efciency Synchronous Step-Down
Switching Regulator
Output Fault Protection, 16-Pin SSOP Package
LTC1778/LTC1778-1
No RSENSE Current Mode Synchronous Step-Down
Controllers
Up to 97% Efciency, 4V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ (0.9)(VIN),
IOUT Up to 20A
LT1976
High Voltage Step-Down Switching Regulator
3.3V ≤ VIN ≤ 60V, 100μA Quiescent Current
LTC3708
Dual, 2-Phase, DC/DC Controller with Output Tracking
Current Mode, No RSENSE, Up/Down Tracking, Synchronizable
LTC3727/LTC3727A-1
2-Phase Dual Synchronous Controller
0.8V ≤ VOUT ≤ 14V; 4V ≤ VIN ≤ 36V
LTC3728
Dual, 550kHz, 2-Phase Synchronous Step-Down
Controller
Dual 180° Phased Controllers, VIN 3.5V to 35V, 99% Duty Cycle,
5mm × 5mm QFN and SSOP-28 Packages
LTC3729
20A to 200A, 550kHz PolyPhase
Synchronous Controller
Expandable from 2-Phase to 12-Phase, Uses All Surface Mount
Components, VIN Up to 36V
LTC3731
3- to 12-Phase Step-Down Synchronous Controller
60A to 240A Output Current, 0.6V ≤ VOUT ≤ 6V, 4.5V ≤ VIN ≤ 32V
LTC3835/LTC3835-1
Low IQ Synchronous Step-Down Controller
Single Channel LTC3827/LTC3827-1
PolyPhase is a registered trademark of Linear Technology Corporation. No RSENSE is a trademark of Linear Technology Corporation.
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PDF描述
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