LTC4260 Linear Technology, LTC4260 Datasheet - Page 28

• Manufacturer Part Number: LTC4260
• Description: Positive High Voltage Hot Swap Controller
• Manufacturer: Linear Technology

TYPICAL APPLICATIO
LTC4260
RELATED PARTS
28
PART NUMBER
LT
LTC1921
LTC2436
LTC4240
LT4250
LTC4252
LT4256
LTC4300A
LTC4301
LTC4302
LTC4350
LT4351
LTC4354
CompactPCI is a trademark of the PCI Industrial Computer Manufacturers Group
®
1641-1/LT1641-2 Positive High Voltage Hot Swap Controllers
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
48V
V
IN
DESCRIPTION
Dual –48V Supply and Fuse Monitor
16-Bit, 2-Channel Delta-Sigma ADC
CompactPCI
–48V Hot Swap Controller in SO-8
–48V Hot Swap Controller in MSOP
Positive 48V Hot Swap Controller with
Open-Circuit Detect
Hot Swappable 2-Wire Bus Buffer
Supply Independent Hot Swappable 2-Wire Bus Buffer
Addressable 2-Wire Bus Buffer
Hot Swappable Load Share Controller
Ideal MOSFET ORing Diode
Negative Voltage Diode-OR Controller
SMAT70B
●
FAX: [phone]
0.1µF
3A, 48V Backplane Resident Application with Insertion Activated Turn-On
TM
49.9k
1.74k
2.67k
Hot Swap Controller with I
U
●
OV
ON
SDAI
SDA0
SCL
ALERT
UV
www.linear.com
V
DD
INTV
0.01Ω
CC
0.1µF
SENSE
ADR0 ADR1
2
C I/O
LTC4260
10Ω
FDB3632
GATE
NC
6.8nF
100k
ADR2 GND
BD_PRST
COMMENTS
Active Current Limiting, Supplies from 9V to 80V
Withstands ±200V, Monitors Under-/Overvoltage and External Fuses
800nV
Selection
3.3V, 5V and ±12V Supplies, Control and Status over I
Active Current Limiting, Supplies from –20V to –80V
Fast Active Current Limiting with Drain Accelerated Response, Supplies
from –15V
Foldback Current Limiting, Open-Circuit and Overcurrent Fault Output,
Up to 80V Supply
Provides Capacitive Buffering, SDA and SCL Precharge and Level
Shifting
Provides Capacitive Buffering, SDA and SCL Precharge and Level
Shifting
Provides Capacitive Buffering, SDA and SCL Precharge and Level
Shifting, Enabled by 2-Wire Bus Commands
Output Voltage: 1.2V to 12V, Equal Load Sharing
External N-Channel MOSFETs Replace ORing Diodes, 1.2V to 20V
8-Pin DFN and SO Package
SOURCE
TIMER
GPIO
ADIN
FB
RMS
Noise, Two Differential Channels with Automatic Channel
68nF
43.5k
3.57k
100k
1µF
BACKPLANE PLUG-IN
© LINEAR TECHNOLOGY CORPORATION 2004
CARD
LT/TP 0904 1K • PRINTED IN USA
4260 TA03
LOAD
2
C
V
48V
OUT
4260f