Datasheet

LTC3880/LTC3880-1
111
3880fc
For more information www.linear.com/LTC3880
TYPICAL APPLICATIONS
High Efficiency 425kHz 1V Step-Down Dual Phase Converter with Power Blocks
V
IN
GND
V
IN
P1
PWMH
PWML
V
GATE
V
DD33
V
DD25
SGND
TG0
4.99k
1µF10µF
1µF 1µF
1µF1µF
4700pF
0.22µF
0.22µF
1µF
22µF
V
IN
7V TO 13.2V
7V
GATE DRIVE
+
530µF
V
DD25
V
OUT1
1.0V
60A
2.55k
TG1
BG0
SYNC
10k
24.9k
4.32k
20k
17.8k
16.2k
17.4k
GPIO0
10k
GPIO1
10k
SDA
SCL
10k
ALERT
10k
RUN0
FREQ_CFG
V
OUT0_CFG
V
OUT1_CFG
V
TRIM0_CFG
V
TRIM1_CFG
ASEL
RUN1
WP
10k
1.2k
SHARE_CLK
V
DD33
BG1
PGND
BOOST0
V
OUT
CS
–
CS
+
TEMP
+
TEMP
–
GND
V
IN
P2
PWMH
PWML
V
GATE
V
OUT
CS
–
CS
+
TEMP
+
TEMP
–
BOOST1
SW0 SW1
INTV
CC
LTC3880
TSNS0 TSNS1
I
THO
I
TH1
I
SENSEO
+
I
SENSE1
+
V
SENSEO
+
V
SENSE1
V
SENSEO
–
I
SENSEO
–
I
SENSE1
–
+
530µF
3880 TA05
220pF
P1, P2: VRA001-4C3G ACBEL POWER BLOCK
1µF
1.2k