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参数资料
| 型号： | DC859A |
| 厂商： | Linear Technology |
| 文件页数： | 26/32页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR LTC4267 |
| 设计资源： | DC859A Design File DC859A Schematic |
| 标准包装： | 1 |
| 主要目的： | 电源管理，以太网供电（POE） |
| 嵌入式： | 否 |
| 已用 IC / 零件： | LTC4267 |
| 已供物品： | 板 |
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LTC4267
32
4267fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2004
LT 0107 REV C PRINTED IN USA
PART NUMBER
DESCRIPTION
COMMENTS
LTC1737
High Power Isolated Flyback Controller
Sense Output Voltage Directly from Primary Side Winding
LTC1871
Wide Input Range, No RSENSE
TM Current Mode
Adjustable Switching Frequency, Programmable Undervoltage Lockout,
Flyback, Boost and SEPIC Controller
Optional Burst Mode
Operation at Light Load
LTC3803
Current Mode Flyback DC/DC Controller in ThinSOT
TM
200kHz Constant Frequency, Adjustable Slope Compensation,
Optimized for High Input Voltage Applications
LTC4257
IEEE 802.3af PD Interface Controller
100V 400mA Internal Switch, Programmable Classication
LTC4257-1
IEEE 802.3af PD Interface Controller
100V 400mA Internal Switch, Programmable Classication,
with Dual Current Limit
Supports Legacy Applications
LTC4258
Quad IEEE 802.3af Power over Ethernet Controller
DC Disconnect Only, IEEE-Compliant PD Detection and Classication,
Autonomous Operation or I
2CTM Control
LTC4259A
Quad IEEE 802.3af Power over Ethernet Controller
AC or DC Disconnect IEEE-Compliant PD Detection and Classication,
Autonomous Operation or I
2CTM Control
Burst Mode is a registered trademark of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
RELATED PARTS
High-Efciency Class 3 PD with 3.3V Isolated Power Supply
PVCC
NGATE
SENSE
ITH/RUN
PWRGD
VFB
VPORTP
RCLASS
SIGDISA
VPORTN
LTC4267
45.3
1%
220k
330Ω
220k
PVCC
4.7F
SMAJ58A
MMSD4148
PULSE
PA1136
MMSD4148
BAS516
MMTBA42
–48V
FROM
DATA PAIR
–48V
FROM
SPARE PAIR
Si3440
2N7002
PVCC
100k
PVCC
6.8k
10k
0.1F
5F*
MIN
B1100
(8 PLACES)
POUT
PGND
9.1V
150pF
510Ω
500
0.068
1%
100k
1%
60.4k
1%
570F**
33nF
10
470pF
2200pF
“Y” CAP
250VAC
PS2911
TLV431
SBM1040
3.3V
2.6A
CHASSIS
4267 TA02
*1F CERAMIC + 4.7F TANTALUM
**100F CERAMIC + 470F TANTALUM
BAS516
TYPICAL APPLICATION
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