ltc4261cgn-trpbf Linear Technology Corporation, ltc4261cgn-trpbf Datasheet - Page 32

• Manufacturer Part Number: ltc4261cgn-trpbf
• Description: Negative Voltage Hot Swap Controllers With Adc And I2c Monitoring
• Manufacturer: Linear Technology Corporation

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
[phone]
–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: [phone]
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