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LTC4221IGN Arkusz danych(PDF) 24 Page - Linear Technology

Numer części LTC4221IGN
Szczegółowy opis  Dual Hot Swap Controller/ Power Sequencer with Dual Speed, Dual Level Fault Protection
PDF  28 Pages
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Producent  LINER [Linear Technology]
Strona internetowa  http://www.linear.com
Logo LINER - Linear Technology

LTC4221IGN Arkusz danych(HTML) 24 Page - Linear Technology

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LTC4221
4221f
APPLICATIO S I FOR ATIO
Figure 16. Recommended Layout for LTC4221 RSENSE, Power MOSFETs and Feedback Networks
G
W
•
•
•
•
•
•
•
•
•
•
POWER MOSFET
SO-8
POWER MOSFET
SO-8
NOTE: DRAWING IS NOT TO SCALE
*ADDITIONAL DETAILS OMITTED FOR CLARITY
RSENSE2
RSENSE1
TRACK WIDTH W
CURRENT FLOW
TO LOAD
CHANNEL 2
OUTPUT
S
S
S
RF3
RF4
VIAS
BOTTOM LAYER
AND GND TRACE
VIAS
GND
TO
LOAD
D
D
D
D
LTC4221*
G
S
S
S
D
D
D
D
RF2
RF1
4221 F16
R4
R3
R1
CX1
R2
Z1
RX1
RX2
Z2
CX2
W
CHANNEL 2
INPUT
CHANNEL 1
OUTPUT
CHANNEL 1
INPUT
GND
CURRENT FLOW
TO LOAD
CURRENT FLOW
TO LOAD
CURRENT FLOW
TO LOAD
W
CTIMER
CFILTER
APPE DIX
Table 1 lists some current sense resistors that can be used
with the circuit breaker. Table 2 lists some power MOSFETs
that are available. Table 3 lists the web sites of several
manufacturers. Since this information is subject to change,
please verify the part numbers with the manufacturer.
Table 1. Sense Resistor Selection Guide
CURRENT LIMIT VALUE
PART NUMBER
DESCRIPTION
MANUFACTURER
1A
LR120601R050
0.05Ω 0.5W 1% Resistor
IRC-TT
2A
LR120601R025
0.025Ω 0.5W 1% Resistor
IRC-TT
2.5A
LR120601R020
0.02Ω 0.5W 1% Resistor
IRC-TT
3.3A
WSL2512R015F
0.015Ω 1W 1% Resistor
Vishay-Dale
5A
LR251201R010F
0.01Ω 1.5W 1% Resistor
IRC-TT
10A
WSR2R005F
0.005Ω 2W 1% Resistor
Vishay-Dale



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