LTC3407-2 Linear Technology, LTC3407-2 Datasheet - Page 14

• Manufacturer Part Number: LTC3407-2
• Description: 2.25MHz Step-Down DC/DC Regulator
• Manufacturer: Linear Technology

LTC3407-2
14
TYPICAL APPLICATIO S
V
OUT2
AT 800mA
= 3.3V
4.7µF
C3
×2
V
C1, C2, C3: TDK C1608X5ROJ475M
L1, L2: CMD4D11-2R2
*IF C1 IS GREATER THAN 3" FROM POWER SOURCE,
IN
ADDITIONAL CAPACITANCE MAY BE REQUIRED.
TO 5.5V
= 3.6V
U
C5, 22pF
887k
R4
100
95
90
85
80
75
70
65
60
196k
C1*
4.7µF
2.2µH
R3
1
L2
V
Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
IN
Efficiency vs Load Current
= 5V
2mm Height Core Supply
MODE/SYNC
SW2
V
RUN2
FB2
LOAD CURRENT (mA)
10
LTC3407-2
GND
V
IN
RUN1
SW1
POR
100
V
FB1
3.3V
1.8V
3407 TA08
2.2µH
L1
R5
100k
R1
301k
1000
C4, 22pF
POWER-ON
RESET
604k
R2
V
AT 800mA
C2
4.7µF
×2
OUT1
= 1.8V
3407 TA07
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