LTC4261CUFD#PBF Linear Technology, LTC4261CUFD#PBF Datasheet - Page 32
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LTC4261CUFD#PBF
Manufacturer Part Number
LTC4261CUFD#PBF
Description
IC CTRLR HOTSWAP W/ADC 24-QFN
Manufacturer
Linear Technology
Type
Hot-Swap Controllerr
Datasheet
1.LTC4261IGNPBF.pdf
(32 pages)
Specifications of LTC4261CUFD#PBF
Applications
General Purpose
Internal Switch(s)
No
Voltage - Supply
9 V ~ 11.2 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
24-WFQFN Exposed Pad
Family Name
LTC4261
Package Type
QFN EP
Operating Supply Voltage (min)
-12V
Operating Supply Voltage (max)
-100V
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Operating Temperature Classification
Commercial
Product Depth (mm)
4mm
Product Length (mm)
5mm
Mounting
Surface Mount
Pin Count
24
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LTC4261/LTC4261-2
TYPICAL APPLICATIONS
RELATED PARTS
PART NUMBER
LT1640AH/LT1640AL
LTC1921
LT4250L/LT4250H
LTC4251/LTC4251-1
LTC4252-1/LTC4252-2
LTC4252A-1/LTC4252A-2
LTC4253
LTC4260
LTC4354
32
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
–48V INPUT
–48V RTN
DESCRIPTION
Negative High Voltage Hot Swap Controllers in SO-8 Negative High Voltage Supplies from –10V to –80V
Dual –48V Supply and Fuse Monitor
–48V Hot Swap Controllers in SO-8
–48V Hot Swap Controllers in SOT-23
–48V Hot Swap Controllers in MS8
–48V Hot Swap Controller with Sequencer
Positive High Voltage Hot Swap Controller
Negative Voltage Diode-OR Controller and Monitor
●
FAX: (408) 434-0507
R2
15.8k
1%
R1
11.5k
1%
R3
432k
1%
Figure 17. Application Circuit of the LTC4261 in Single-Wire Broadcast Mode
Figure 18. Using the LTC4261 and a Thermistor to Monitor Temperature
V
C
1
EE
IN
m
F
C
0.1
VCC
2381 615 4.104
–48V INPUT
m
–48V RTN
F
●
www.linear.com
VISHAY
10k 1%
UVL
UVH
ADIN2
OV
ADR1
ADR0
R6
V
EE
•
T (°C) = 38.05 × (V
0.02
INTV
LTC4261CGN
5%
100k AT 25°C
1%
30.1k
1%
10k
1%
R S
W
SENSE
CC
1µF
IRF1310NS
GATE
V
Q1
IN
R
6 0.51k IN SERIES
1/4W EACH
ADIN
IN
SDAO
SDAI
ADIN
SCL
ADIN
(V) – 0.1458), 20°C < T < 60°C
COMMENTS
UV/OV Monitor, –10V to –80V Operation, MSOP Package
Active Current Limiting, Supplies from –20V to –80V
Fast Active Current Limiting, Supplies from –15V
Fast Active Current Limiting, Supplies from –15V,
±1% UV/OV (LTC4252A)
Fast Current Limiting with Three Sequenced Power Good Outputs,
Supplies from –15V
With I
Controls Two N-Channel MOSFETs, 1µs Turn-Off, 80V Operation
LTC4261CGN
V
V
2
EE
IN
C and ADC, Supplies from 8.5V to 80V
6 × 0.51k IN SERIES
1/4W EACH
V
SDAO
SDAI
HCPL-0300
OUT
402k 1%
SCL
R4
7.5k
R7
CATHODE
ANODE
42612 F18
GND
V
CC
I
2
C
V
OUT
R
L
© LINEAR TECHNOLOGY CORPORATION 2005
D
CONTROLLER
IN
MICRO-
V
5V
DD
LT 0706 REV B • PRINTED IN USA
4261 F17
C
330
100V
L
m
F
42612fb