Datasheet

LTC4267
32
4267fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
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 R
SENSE
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 Classifi cation
LTC4257-1 IEEE 802.3af PD Interface Controller 100V 400mA Internal Switch, Programmable Classifi cation,
with Dual Current Limit Supports Legacy Applications
LTC4258 Quad IEEE 802.3af Power over Ethernet Controller DC Disconnect Only, IEEE-Compliant PD Detection and Classifi cation,
Autonomous Operation or I
2
C
TM
Control
LTC4259A Quad IEEE 802.3af Power over Ethernet Controller AC or DC Disconnect IEEE-Compliant PD Detection and Classifi cation,
Autonomous Operation or I
2
C
TM
Control
Burst Mode is a registered trademark of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
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LTC4267
45.3Ω
1%
220k
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4.7µF
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6.8k
10k
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0.1µF
5µF*
MIN
B1100
(8 PLACES)
P
OUT
PGND
9.1V
150pF
510Ω
500Ω
0.068Ω
1%
100k
1%
60.4k
1%
570µF**
33nF
•
•
•
10Ω
470pF
2200pF
“Y” CAP
250VAC
PS2911
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SBM1040
3.3V
2.6A
CHASSIS
4267 TA02
*1µF CERAMIC + 4.7µF TANTALUM
**100µF CERAMIC + 470µF TANTALUM
BAS516
TYPICAL APPLICATION