LTC3407-2 Linear Technology, LTC3407-2 Datasheet - Page 13

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

TYPICAL APPLICATIO S
V
OUT2
AT 800mA
= 1.8V
10µF
C3
V
C1, C2, C3: TAIYO YUDEN JMK316BJ106ML
IN
TO 5.5V
= 2.5V
U
Low Ripple Buck Regulators Using Ceramic Capacitors
C5, 22pF
887k
R4
100
95
90
85
80
75
70
65
60
55
50
442k
C1
10µF
10
4.7µH
R3
V
PULSE SKIP MODE
NO LOAD ON OTHER CHANNEL
L2
IN
= 3.3V
Efficiency vs Load Current
SW2
V
MODE/SYNC
LOAD CURRENT (mA)
RUN2
FB2
LTC3407-2
100
V
IN
1.2V
1.8V
GND
RUN1
L1, L2: SUMIDA CDRH2D18/HP-4R7NC
SW1
POR
V
FB1
3407 TA03b
4.7µH
L1
1000
R5
100k
R1
604k
C4, 22pF
POWER-ON
RESET
604k
R2
C2
10µF
V
AT 800mA
OUT1
= 1.2V
3407 TA03
www.DataSheet4U.com
LTC3407-2
sn34072 34072fs
13