LTM2884Y 데이터 시트보기 (PDF) - Linear Technology
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LTM2884Y Datasheet PDF : 24 Pages
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LTM2884
Typical Application
47k
VBUS
91k
3.3V
V+
3.3V
MAX4594 SPST
IN
NO
GND COM
TUSB2046B
OVRCUR4
3.3V
51k
SN74LVC04
1.5k
PWRON4
27Ω
DP0
DP0
DM4
27Ω
DM0
DM0
DP4
LTC1154
STATUS VS
EN
DS
SD GATE
IN
GND
PWRON_D
27Ω D4D–
27Ω D4D+
SN75240
AC
BD
EXTMEM
3.3V LDO
12V
LT1762-3.3
3.3V
VCC
OVRCUR3
4.7µF
GND
4.7µF
PWRON3
DM3
XTAL1
DP3
15k 15k
3.3V
51k
LTC1154
STATUS VS
EN
DS
SD GATE
IN
GND
PWRON_C
27Ω D3C–
27Ω D3C+
6MHz CLOCK
SIGNAL
15k 15k
SYSTEM
POWER-ON
RESET
XTAL2
OVRCUR2
RESET
PWRON2
DM2
DP2
3.3V
51k
LTC1154
STATUS VS
EN
DS
SD GATE
IN
GND
PWRON_B
27Ω D2B–
27Ω D2B+
12V
0.2Ω
12V
VCC
VLO
VBUS
ON
D1–
D1+
LTM2884
SPNDPWR
GND
12V
0.2Ω
12V
VCC
VLO
VBUS
ON
D1–
D1+
LTM2884
SPNDPWR
12V
GND
0.2Ω
12V
VCC
VLO
VBUS
ON
D1–
D1+
LTM2884
OVRCUR1
PWRON1
BUSPWR
DM1
EEDATA/
GANGED
DP1
GND
15k 15k
3.3V
51k
LTC1154
STATUS VS
EN
DS
SD GATE
IN
GND
PWRON_A
27Ω D1A–
27Ω D1A+
15k 15k
SPNDPWR
12V
GND
0.2Ω
12V
VCC
VLO
VBUS
ON
D1–
D1+
LTM2884
SPNDPWR
GND
Figure 13. Self Powered 4-Port Hub with Independent Isolation
PWR
VCC2
VBUSD
100µF
GND2
GNDD
VLO2
USB PORT D
D2+
DD+
D2–
DD–
PWR
VCC2
VBUSC
100µF
GND2
GNDC
VLO2
USB PORT C
D2+
DC+
D2–
DC–
PWR
VCC2
VBUSB
100µF
GND2
GNDB
VLO2
USB PORT B
D2+
DB+
D2–
DB–
PWR
VCC2
VBUSA
100µF
GND2
GNDA
VLO2
USB PORT A
D2+
DA+
D2–
DA–
2884 F13
Related Parts
PART NUMBER
LTM2881
LTM2882
LTM2883
LTM2892
DESCRIPTION
Complete Isolated RS485/RS422 µModule Transceiver + Power
Dual Isolated RS232 µModule Transceiver with Integrated DC/DC Converter
SPI or I2C µModule Isolator with Adjustable ±12.5V and 5V Regulated Power
SPI/Digital or I2C Isolated µModule
COMMENTS
2500VRMS Isolation in Surface Mount BGA or LGA
2500VRMS Isolation in Surface Mount BGA or LGA
2500VRMS Isolation in Surface Mount BGA
3500VRMS Isolation, 6 Channels
2884f
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95F0o3r5m-7o4re1i7nformation www.linear.com/LTM2884
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTM2884
LT 514 • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2014
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