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LT3580 Datasheet(PDF) 19 Page - Linear Technology

Part # LT3580
Description  Boost/Inverting DC/DC Converter with 2A Switch, Soft-Start, and Synchronization
PDF  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3580 Datasheet(HTML) 19 Page - Linear Technology

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LT3580
19
3580fc
APPLICATIONS INFORMATION
Figure 12. Switch-On Phase of an Inverting Converter. L1 and L2 Have Positive dI/dt.
Figure 13. Switch-Off Phase of an Inverting Converter. L1 and L2 Currents Have Negative dI/dt.
Figure 14. 1.2MHz, 5V to 12V Boost Converter
+
L1
L2
C2
–(VIN + ⏐VOUT⏐)
SW
SWX
D1
Q1
3580 F12
C1
C3
RLOAD
–VOUT
VIN
VCESAT
+
L1
L2
C2
VIN + ⏐VOUT⏐+ VD
SW
SWX
D1
Q1
C1
C3
RLOAD
–VOUT
VIN
VD
3580 F13
C2
10μF
VOUT
12V
550mA
L1
4.2μH
D1
130k
VIN
5V
VIN
SW
3580 F14
LT3580
75k
10k
SHDN
GND
FB
VC
SYNC
SS
RT
1nF
0.1μF
C1
2.2μF
C1: 2.2μF, 25V, X5R, 1206
C2: 10μF, 25V, X5R, 1206
D1: MICROSEMI UPS120
L1: SUMIDA CDR6D23MN-4R2



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