LTC4255CG#TRPBF Linear Technology, LTC4255CG#TRPBF Datasheet - Page 16

• Manufacturer Part Number: LTC4255CG#TRPBF
• Description: IC NETWORK POWER CTRLR 28SSOP
• Manufacturer: Linear Technology

Specifications of LTC4255CG#TRPBF

• Applications: Network Power Controller
• Voltage - Supply: 10.8 V ~ 13.2 V
• Current - Supply: 10mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -

RELATED PARTS
PART NUMBER
LTC1694
LT4250
LTC4251
LTC4300-1/LTC4300-2 Hot Swappable 2-Wire Bus Buffer
LTC4255
TYPICAL APPLICATIO
16
–48V
Q1, Q2, Q3, Q4: FDC3612 (FAIRCHILD)
SCHOTTKY DIODES: MBRS1100T3 (ON SEMI)
RELAYS: V23079 SERIES (TYCO/POTTER AND BRUMFIELD)
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
SCL
SDA
FAULT
AD0
AD1
AD2
AD3
AD4
DGND AGND
DESCRIPTION
I
Negative Voltage Hot Swap Controller in SO-8
Negative Voltage Hot Swap Controller in SOT-23
2
C/SMBus Accelerator
0.1 F
FAX: [phone] www.linear.com
V
EE
0.33
R
S1
SENSE1 GATE1
U
Typical Application Using Schottky Diodes to Protect FETs
Q1
OUT1 SENSE2 GATE2 OUT2 SENSE3 GATE3 OUT3 SENSE4 GATE4 OUT4
0.33
R
S2
100k
LTC4255
12V
V
Q2
CC
0.1 F
0.33
R
S3
100k
COMMENTS
Active Pull-Up Improves Rise Time, Ensures Data Integrity
Active Current Limiting, Supplies from –20V to –80V
Active Current Limiting, Floating Supplies from –15V
Isolates SDA, SCL Lines from Output/Allows 3.3V to 5V Level Translation
Q3
0.33
R
S4
100k
Q4
RELAY1
RELAY2
RELAY3
RELAY4
100k
LINEAR TECHNOLOGY CORPORATION 2002
4255 TA01
LT/TP 0203 2K • PRINTED IN USA
4255f