Datasheet
LT3071
2
3071fc
For more information www.linear.com/LT3071
IN, OUT ..................................................... –0.3V to 3.3V
BIAS ............................................................. –0.3V to 4V
V
O2
, V
O1
, V
O0
Inputs .................................... –0.3V to 4V
MARGA Input ............................................... –0.3V to 4V
EN Input ....................................................... –0.3V to 4V
SENSE Input ................................................. –0.3V to 4V
VIOC, PWRGD, I
MON
Outputs ....................... –0.3V to 4V
REF/BYP Output ........................................... –0.3V to 4V
Output Short-Circuit Duration .......................... Indefinite
Operating Junction Temperature (Note 2)
LT3071E/LT3071I .............................. –40°C to 125°C
LT3071MP ......................................... –55°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
(Note 1)
9 10
TOP VIEW
29
GND
UFD PACKAGE
28-LEAD (4mm × 5mm) PLASTIC QFN
11 12 13
28 27 26 25 24
14
23
6
5
4
3
2
1
VIOC
PWRGD
REF/BYP
GND
IN
IN
IN
IN
MARGA
I
MON
GND
SENSE
OUT
OUT
OUT
OUT
EN
BIAS
GND
V
O2
V
O1
V
O0
GND
GND
GND
GND
GND
GND
7
17
18
19
20
21
22
16
8
15
T
JMAX
= 125°C, θ
JA
= 30°C/W TO 35°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3071EUFD#PBF LT3071EUFD#TRPBF 3071 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C
LT3071IUFD#PBF LT3071IUFD#TRPBF 3071 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C
LT3071MPUFD#PBF LT3071MPUFD#TRPBF 3071 28-Lead (4mm × 5mm) Plastic QFN –55°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3071EUFD LT3071EUFD#TR 3071 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C
LT3071IUFD LT3071IUFD#TR 3071 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C
LT3071MPUFD LT3071MPUFD#TR 3071 28-Lead (4mm × 5mm) Plastic QFN –55°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
PARAMETER CONDITIONS MIN TYP MAX UNITS
IN Pin Voltage Range V
IN
≥ V
OUT
+ 150mV, I
OUT
= 5A
l
0.95 3.0 V
BIAS Pin Voltage Range (Note 3)
l
2.2 3.6 V
Regulated Output Voltage V
OUT
= 0.8V, 10mA ≤ I
OUT
≤ 5A, 1.05V ≤ V
IN
≤ 1.25V
V
OUT
= 0.9V, 10mA ≤ I
OUT
≤ 5A, 1.15V ≤ V
IN
≤ 1.35V
V
OUT
= 1V, 10mA ≤ I
OUT
≤ 5A, 1.25V ≤ V
IN
≤ 1.45V
V
OUT
= 1.1V, 10mA ≤ I
OUT
≤ 5A, 1.35V ≤ V
IN
≤ 1.55V
V
OUT
= 1.2V, 10mA ≤ I
OUT
≤ 5A, 1.45V ≤ V
IN
≤ 1.65V, V
BIAS
= 3.3V
V
OUT
= 1.5V, 10mA ≤ I
OUT
≤ 5A, 1.75V ≤ V
IN
≤ 1.95V, V
BIAS
= 3.3V
V
OUT
= 1.8V, 10mA ≤ I
OUT
≤ 5A, 2.05V ≤ V
IN
≤ 2.25V, V
BIAS
= 3.3V
l
l
l
l
l
l
l
0.792
0.891
0.990
1.089
1.188
1.485
1.782
0.800
0.900
1.000
1.100
1.200
1.500
1.800
0.808
0.909
1.010
1.111
1.212
1.515
1.818
V
V
V
V
V
V
V
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. C
OUT
= 15µF (Note 9), V
IN
= V
OUT
+ 0.3V (Note 5), V
BIAS
= 2.5V unless
otherwise noted.
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