lt3071 Linear Technology Corporation, lt3071 Datasheet - Page 24

• Manufacturer Part Number: lt3071
• Description: Lt3071 5a, Low Noise, Programmable Output, 85mv Dropout Linear Regulator With Analog Margining Features
• Manufacturer: Linear Technology Corporation

V
LT3071
typicAl ApplicAtions

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