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| LTC3807_15 Datasheet, PDF (28/32 Pages) Linear Technology – Low IQ, Synchronous Step-Down Controller with 24V Output Voltage Capability | |||
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LTC3807
APPLICATIONS INFORMATION
LTC3807
TRACK/SS
FREQ
ILIM
VIN
PGND
PLLIN/MODE
SGND
SGND
RUN
EXTVCC
INTVCC
BG
SENSEâ
C1*
SENSE+
R1*
BOOST
SW
VFB
TG
ITH
PGOOD
CINTVCC
VIN
CIN
1µF
CERAMIC
GND
COUT
D1
M1
M2
L1
ROUT
VPULL-UP
PGOOD
D2*
RSENSE
VOUT
*R1, C1 AND D2 ARE OPTIONAL
3807 F10
Figure 10. Recommended Printed Circuit Layout Diagram
VIN
RIN
CIN
SW
L1
RSENSE
VOUT
D1
COUT
BOLD LINES INDICATE HIGH SWITCHING
CURRENT. KEEP LINES TO A MINIMUM LENGTH.
Figure 11. Branch Current Waveforms
RL1
3807 F11
3807f
28
For more information www.linear.com/LTC3807
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