Datasheet

LT3071
24
3071fb
For more information www.linear.com/3071
typicAl ApplicAtions
Figure 8. 1V, 7A Point-of-Load Current Sharing Regulators
Figure 7. Regulator with VIOC Buck Control
0.1µF
1Ω
20k
10k 2k
4.7nF
47µF
6.3V
×3
BIAS
50k
LT3071
EN
IN
V
O2
V
O0
2.2µF
47µF
1.3V/5A
100µF
6.3V
×2
2.2µF*
0.01µF
NOTES: LTC3415 SWITCHER, 2MHz INTERNAL OSCILLATOR
LTC3415 AND LT3071 ON SAME PCB POWER PLANE
4.7µF*
3070 F07
10µF*
PWRGD
*X5R OR X7R CAPACITORS
V
OUT
1V
5A
V
MON
2V AT 5A
FULL SCALE
V
O1
MARGA
NC
NC
NC
VIOC
SENSE
OUT
V
BIAS
3.3V
PWRGD
REF/BYP
I
MON
GND
SGND
PV
IN
PV
IN
PLLLPF
CLKOUT
PHMODE
CLKIN
MODE
SW
SW
SW
SW
I
TH
MGN
BSEL
V
FB
I
THM
SGND
PGNDPGNDPGNDPGND PGNDPGND
PGND
PV
IN
PV
IN
RUNPGOOD TRACK
0.2µH
SV
IN
SV
IN
SV
IN
NC
LTC3415EUHF
1nF
1k
NC
NC
NC
0.1µF
NC
NC
1Ω
47µF
6.3V
×3
BIAS
50k
LT3071
EN
IN
V
O2
V
O0
2.2µF
2.2µF
47µF
47µF
1nF
1.3V/7A
100µF
6.3V
×2
NC
2.2µF*
0.01µF
NOTES: LTC3415 SWITCHER, 2MHz INTERNAL OSCILLATOR
LTC3415 AND LT3071 (×2) ON SAME PCB POWER PLANE
4.7µF* 10µF*
PWRGD
*X5R OR X7R CAPACITORS
V
OUT
1V
3.5A
V
O1
MARGA
NC
NC
NC
VIOC
SENSE
OUT
V
BIAS
3.3V
PWRGD
REF/BYP
I
MON
GND
BIAS
LT3071
EN
IN
V
O2
V
O0
2.2µF*
0.01µF
715Ω
1nF
4.7µF*
3071 F08
10µF*
*X5R OR X7R CAPACITORS
V
OUT
1V
3.5A
V
MON
2V AT 7A
FULL SCALE
V
O1
MARGA
NC
NC
NC
VIOC
SENSE
OUT
PWRGD
REF/BYP
I
MON
GND
SGND
PV
IN
PV
IN
PLLLPF
CLKOUT
PHMODE
CLKIN
MODE
SW
SW
SW
SW
I
TH
MGN
BSEL
V
FB
I
THM
SGND
PGNDPGNDPGNDPGND PGNDPGND
PGND
PV
IN
PV
IN
RUNPGOOD
NC
TRACK
0.2µH
17.5k
1%
SV
IN
SV
IN
LTC3415EUHF
15k
1%
R
TRACE
3mΩ
CONTROLLED
P.O.L. 1
P.O.L. 2
R
TRACE
3mΩ
CONTROLLED
POWER
PLANE
1V/7A