LTC3548A View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC3548A' PDF : 20 Pages View PDF
LTC3548A
TYPICAL APPLICATIONS
VIN
2.5V TO 5.5V
C1
10μF
VOUT2
2.5V
400mA
L2
4.7μH
C5 22pF
RUN/SS2 VIN RUN/SS1
MODE/SYNC
POR
SW2 LTC3548A SW1
R5
100k
POWER-ON
L1 RESET
2.2μH
C4 22pF
VOUT1
1.8V
800mA
C3
4.7μF
R4
887k
VFB2
VFB1
R3
280k
GND
R1
R2
301k 604k
C1, C2, C3: TAIYO YUDEN JMK316BJ106MD
L1: TDK VLF3010AT-2R2M1R0-1
L2: TDK VLF3010AT-4R7MR70-1
Figure 3. 1mm Height Core Supply
C2
10μF
3548 F03a
Efficiency vs Load Current
100
90 2.5V
80
1.8V
70
60
50
40
30
20 VIN = 3.3V
10 Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
0
1
10
100
LOAD CURRENT (mA)
1000
3548A F03b
3548af
16
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