Datasheet

LTC3883/LTC3883-1
106
3883fa
For more information www.linear.com/LTC3883
TYPICAL APPLICATIONS
High Efficiency 500kHz 1.2V Step-Down Converter with External V
CC
V
IN
GND
0.1µF
1µF
10µF
V
IN
6V TO 14V
5V
IN
1µF
5mΩ
5k
100Ω
6800pF
10k
22µF
50V
+
D1
M1
M2
1k
V
OUT
1.2V
20A
C
OUT
530µF
3883 TA06
10nF
C
OUT
: 330μH SANYO 4TPF330ML,
2× 100µF AVX 12106D107KAT2A
D1: CENTRAL CMDSH-3TR
L: PULSE PA 0515.321NLT 0.32µH
M1: INFINEON BSC032NE2LS
M2: INFINEON BSC009NE2LS
1.0µF
1.0µF
0.22µF
0.32µH
TG
BG
PGND
FREQ_CFG
I
IN_SNS
BOOST
V
IN_SNS
SYNC
SW
EXTV
CC
LTC3883-1
10k
GPIO
10k
PGOOD
10k
SDA
10k
PMBus
INTERFACE
V
DD33
SCL
V
OUT_CFG
V
TRIM_CFG
ASEL
WP
I
SENSE
+
I
SENSE
–
V
SENSE
+
V
SENSE
–
V
DD25
V
DD33
TSNS
I
TH
10k
ALERT
10k
RUN
10k
SHARE_CLK
MMBT3906
10nF10nF
10µF
100Ω
V
DD25
20k
12.7k
24.9k
4.32k
10k
23.2k
20k
17.8k
1µF
1k
3Ω
High Efficiency 500kHz 2.5V Step-Down Converter with Sense Resistor, No Input Current Sense
GND
0.1µF
1µF
10µF
V
IN
6V TO 24V
10k
4700pF
1000pF
30Ω
6.81k
22µF
50V
10µF
+
D1
M1
M2
20k
12.7k
20k
17.8k
20k
15k
V
DD25
V
OUT
2.5V
15A
C
OUT
530µF
3883 TA04
10nF
C
OUT
: 330μH SANYO 4TPF330ML,
2× 100µF AVX 12106D107KAT2A
D1: CENTRAL CMDSH-3TR
L: VISHAY IHLP4040DZ01 0.56μH
M1: INFINEON BSC050N03LSG
M2: INFINEON BSC011N03LSI
1.0µF
1.0µF
0.56µH
0.002Ω
TG
BG
PGND
FREQ_CFG
I
IN_SNS
BOOST
V
IN_SNS
SYNC
WP
SW
INTV
CC
LTC3883
10k
GPIO
10k
PGOOD
10k
SDA
10k
PMBus
INTERFACE
V
DD33
SCL
V
OUT_CFG
V
TRIM_CFG
ASEL
I
SENSE
+
I
SENSE
–
V
SENSE
+
V
SENSE
–
V
DD25
V
DD33
TSNS
I
TH
10k
ALERT
10k
RUN
5k
SHARE_CLK
MMBT3906
30Ω
V
IN