LT1961E Просмотр технического описания (PDF) - Linear Technology
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LT1961E Datasheet PDF : 16 Pages
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APPLICATIONS INFORMATION
L1
6.8μH
INPUT
5V C3
2.2μF
CERAMIC
OPEN
OR
HIGH
= ON
VIN
VSW
LT1961
SHDN
FB
SYNC GND VC
D1
UPS120
C2
6800pF
R3
6.8k
C4
100pF
*MAXIMUM OUTPUT CURRENT IS SUBJECT TO THERMAL DERATING.
R1
90.9k
R2
10k
1%
OUTPUT
12V
0.5A*
C1
10μF
CERAMIC
LT1961
INPUT
GND
R3
L1
D1
MINIMIZE
LT1961,
C1, D1 LOOP
C1
VOUT
KELVIN SENSE
VOUT
C4
C3
LT1961EMS8E
U1
C2
KEEP FB AND VC
COMPONENTS
AWAY FROM
HIGH FREQUENCY,
HIGH INPUT
COMPONENTS
GND
R2
R1
PLACE FEEDTHROUGHS
AROUND GROUND PIN FOR
GOOD THERMAL CONDUCTIVITY
SOLDER EXPOSED
GROUND PAD
TO BOARD
Figure 6. Typical Application and Suggested Layout (Topside Only Shown)
1961fa
11
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