LTC4301 Linear Technology, LTC4301 Datasheet - Page 12

• Manufacturer Part Number: LTC4301
• Description: Supply Independent Hot Swappable 2-Wire Bus Buffer
• Manufacturer: Linear Technology

RELATED PARTS
LTC4301
TYPICAL APPLICATIO
PART NUMBER
LTC1380/LTC1393
LTC1427-50
LTC1623
LTC1663
LTC1694/LTC1694-1
LT1786F
LTC1695
LTC1840
LTC4300A-1/LTC4300A-2 Hot Swappable 2-Wire Bus Buffer
LTC4301L
LTC4302-1/LTC4302-2
ThinSOT is a trademark of Linear Technology Corporation.
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
MICROPROCESSOR
BACK_SDA
BACK_SCL
FROM
●
FAX: [phone]
DESCRIPTION
Single-Ended 8-Channel/Differential 4-Channel Analog
Mux with SMBus Interface
Micropower, 10-Bit Current Output DAC
with SMBus Interface
Dual High Side Switch Controller with SMBus Interface 8 Selectable Addresses/16-Channel Capability
SMBus Interface 10-Bit Rail-to-Rail Micropower DAC
SMBus Accelerator
SMBus Controlled CCFL Switching Regulator
SMBus/I
Dual I
Hot Swappable 2-Wire Bus Buffer
with Low Voltage Level Translation
Addressable 2-Wire Bus Buffer
3.3V
10k
2
C Fan Speed Controller
2
5V
C Fan Speed Controller in ThinSOT
10k
U
CONNECTOR
BACKPLANE
●
Figure 8. System with Active Connection Control
www.linear.com
TM
COMMENTS
Low R
Expandable to 32 Single or 16 Differential Channels
Precision 50µA ± 2.5% Tolerance Over Temperature,
4 Selectable SMBus Addresses, DAC Powers up at Zero or Midscale
DNL < 0.75LSB Max, 5-Lead SOT-23 Package
Improved SMBus/I
Ensures Data Integrity with Multiple SMBus/I
1.25A, 200kHz, Floating or Grounded Lamp Configurations
0.75Ω PMOS 180mA Regulator, 6-Bit DAC
Two 100µA 8-Bit DACs, Two Tach Inputs, Four GPI0
Isolates Backplane and Card Capacitances
Allows Bus Pull-Up Voltages as Low as 1V on SDAIN and SCLIN
Address Expansion, GPIO, Software Controlled
5V
10k
0.01µF
ON
CS
SCLIN
SDAIN
: 35Ω Single-Ended/70Ω Differential,
LTC4301
CARD
GND
V
2
CC
C Rise-Time,
SDAOUT
SCLOUT
READY
4301
© LINEAR TECHNOLOGY CORPORATION 2004
TA01
LT 0806 REV B • PRINTED IN THE USA
www.DataSheet4U.com
10k
2
10k
C Devices
CARD_SCL
CARD_SDA
4301fb