LT3066 - 45V VIN, 500mA Low Noise, Linear Regulator with Programmable Current Limit and Active Output Discharge; Package: MSOP; Pins: 12; Temperature Range: -40°C to 85°C
LT3066 - 45V VIN, 500mA Low Noise, Linear Regulator with Programmable Current Limit and Active Output Discharge; Package: MSOP; Pins: 12; Temperature Range: -40°C to 85°C
Operating Junction Temperature Range (Notes 3, 5, 14)
E-, I-Grades ....................................... –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSOP Package Only ......................................... 300°C
PIN CONFIGURATION
TOP VIEW
INFILT
IN
IN
SHDN
PWRGD
I
MAX
1
2
3
4
5
6
13
GND
12 OUT
11 OUT
10 NC/SENSE*
9
8
7
ADJ
GND
REF/BYP
INFILT
IN
IN
SHDN
PWRGD
I
MAX
1
2
3
4
5
6
TOP VIEW
12
11
10
9
8
7
OUT
OUT
NC/SENSE*
ADJ
GND
REF/BYP
13
GND
DE PACKAGE
12-LEAD (4mm
×
3mm) PLASTIC DFN
T
JMAX
= 150°C,
θ
JA
= 34°C/W,
θ
JC
= 5°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
MSE PACKAGE
12-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 34°C/W,
θ
JC
= 6°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
*Pin 10: NC for LT3066, SENSE for LT3066-3.3, LT3066-5
ORDER INFORMATION
LEAD FREE FINISH
LT3066EDE#PBF
LT3066IDE#PBF
LT3066EDE-3.3#PBF
LT3066IDE-3.3#PBF
LT3066EDE-5#PBF
LT3066IDE-5#PBF
LT3066EMSE#PBF
LT3066IMSE#PBF
LT3066EMSE-3.3#PBF
LT3066IMSE-3.3#PBF
LT3066EMSE-5#PBF
LT3066IMSE-5#PBF
TAPE AND REEL
LT3066EDE#TRPBF
LT3066IDE#TRPBF
LT3066EDE-3.3#TRPBF
LT3066IDE-3.3#TRPBF
LT3066EDE-5#TRPBF
LT3066IDE-5#TRPBF
LT3066EMSE#TRPBF
LT3066IMSE#TRPBF
LT3066EMSE-3.3#TRPBF
LT3066IMSE-3.3#TRPBF
LT3066EMSE-5#TRPBF
LT3066IMSE-5#TRPBF
PART MARKING*
3066
3066
06633
06633
30665
30665
3066
3066
306633
306633
30665
30665
PACKAGE DESCRIPTION
12-Lead (4mm x 3mm) Plastic DFN
12-Lead (4mm x 3mm) Plastic DFN
12-Lead (4mm x 3mm) Plastic DFN
12-Lead (4mm x 3mm) Plastic DFN
12-Lead (4mm x 3mm) Plastic DFN
12-Lead (4mm x 3mm) Plastic DFN
12-Lead Plastic MSOP
12-Lead Plastic MSOP
12-Lead Plastic MSOP
12-Lead Plastic MSOP
12-Lead Plastic MSOP
12-Lead Plastic MSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Tape and reel specifications.
Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
2
Rev. B
For more information
www.analog.com
LT3066 Series
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C (Note 3).
PARAMETER
Minimum Input Voltage (Notes 4, 9)
Regulated Output Voltage
(Note 5)
CONDITIONS
I
LOAD
= 500mA
LT3066-3.3: V
IN
= 3.9V, I
LOAD
= 1mA
LT3066-3.3: 3.9V < V
IN
< 45V, 1mA < I
LOAD
< 500mA
LT3066-5: V
IN
= 5.6V, I
LOAD
= 1mA
LT3066-5: 5.6V < V
IN
< 45V, 1mA < I
LOAD
< 500mA
V
IN
= 2.2V, I
LOAD
= 1mA
2.2V < V
IN
< 45V, 1mA < I
LOAD
< 500mA
LT3066-3.3: ΔV
IN
= 3.9V to 45V
LT3066-5: ΔV
IN
= 5.6V to 45V
LT3066: ΔV
IN
= 2.2V to 45V (Note 4)
LT3066-3.3: V
IN
= 3.9V
LT3066-5: V
IN
= 5.6V
LT3066: V
IN
= 2.2V (Note 4)
l
l
l
l
l
l
l
l
l
l
l
ELECTRICAL CHARACTERISTICS
MIN
3.267
3.234
4.950
4.900
594
588
TYP
1.6
3.3
5
600
1.6
2.6
0.1
1.6
2.4
0.1
110
145
MAX
2.2
3.333
3.366
5.050
5.100
606
612
19.5
30
3
22
33
4
150
210
200
310
220
330
350
510
125
200
550
4.5
25
3
60
UNITS
V
V
V
V
V
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
µA
µA
µA
mA
mA
µA
nA
µV
RMS
µV
RMS
ADJ Pin Voltage (Notes 4, 5)
Line Regulation
I
LOAD
= 1mA
Load Regulation
ΔI
LOAD
= 1mA to 500mA
Dropout Voltage, V
IN
= V
OUT(NOMINAL)
I
LOAD
= 10mA
(Notes 6, 7)
I
LOAD
= 50mA
l
I
LOAD
= 100mA
l
175
300
l
l
l
l
l
l
I
LOAD
= 500mA
GND Pin Current,
V
IN
= V
OUT(NOMINAL)
+ 0.6V
(Notes 7, 8)
I
LOAD
= 0mA
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 100mA
I
LOAD
= 500mA
V
IN
= 45V, V
SHDN
= 0V
V
IN
= 2.2V
C
OUT
= 10µF, I
LOAD
= 500mA, V
OUT
= 600mV,
BW = 10Hz to 100kHz
C
OUT
= 10µF, C
BYP
= 10nF, I
LOAD
= 500mA,
V
OUT
= 600mV, BW = 10Hz to 100kHz
Shutdown Threshold (Notes 4, 9)
Output Discharge Time (Notes 7, 9)
Output Discharge Switch Resistance
Shutdown Pin Output Discharge
Threshold
SHDN
Pin Current (Note 11)
Ripple Rejection
V
IN
– V
OUT
= 2V, V
RIPPLE
= 0.5V
P-P
,
f
RIPPLE
= 120Hz, I
LOAD
= 500mA
Input Reverse Leakage Current
Reverse Output Current (Note 12)
Internal Current Limit (Notes 4, 9)
V
OUT
= Off to On
V
OUT
= On to Off
V
OUT
Discharged to 10% of Nominal, C
OUT
= 4.7μF
V
IN
= 3.6V, V
OUT
= 1V,
SHDN
= 0V
V
IN
= 3.6V
V
SHDN
= 0V, V
IN
= 45V
V
SHDN
= 45V, V
IN
= 45V
LT3066-3.3
LT3066-5
LT3066 (Note 4)
V
IN
= –45V, V
OUT
= 0
V
OUT
= 3.4V, V
IN
= V
SHDN
= 2.2V
V
IN
= 2.2V or V
IN
= V
OUT(NOMINAL)
+ 1V, V
OUT
= 0V, V
IMAX
= 0V
V
IN
= 2.2V or V
IN
= V
OUT(NOMINAL)
+ 1V, ΔV
OUT
= –5%
l
l
l
l
l
l
l
l
64
100
270
1.8
11
1.25
16
90
25
1. 3
1.1
0.4
30
0.56
Quiescent Current in Shutdown
ADJ Pin Bias Current (Notes 4, 10)
Output Voltage Noise
0.9
1.42
1
V
V
ms
Ω
V
1.2
56
55
70
71
70
85
±1
3
µA
µA
dB
dB
dB
1
2.5
520
900
15
mA
µA
mA
mA
For more information
www.analog.com
3
Rev. B
LT3066 Series
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C (Note 3).
PARAMETER
External Programmed Current Limit
(Notes 7, 13)
CONDITIONS
R
IMAX
= 1.5k, V
OUT
= 95% of V
OUT(NOMINAL)
V
OUT(NOMINAL)
+ 0.6V < V
IN
< V
OUT(NOMINAL)
+ 5V
R
IMAX
= 604Ω, V
OUT
= 95% of V
OUT(NOMINAL)
V
OUT(NOMINAL)
+ 0.6V < V
IN
< V
OUT(NOMINAL)
+ 2V
Pull-Up Current = 50µA
V
PWRGD
= 5V
% of Nominal Output Voltage, Output Rising
% of Nominal Output Voltage
l
l
l
l
ELECTRICAL CHARACTERISTICS
MIN
180
445
TYP
200
495
0.07
0.01
MAX
220
545
0.25
1
94
UNITS
mA
mA
V
µA
%
%
PWRGD Logic Low Voltage
PWRGD Leakage Current
PWRGD Trip Point
PWRGD Trip Point Hysteresis
86
90
1.6
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
Absolute maximum input-to-output differential voltage is not
achievable with all combinations of rated IN pin and OUT pin voltages.
With IN at 50V, do not pull OUT below 0V. If OUT is pulled above IN and
GND, the OUT to IN differential voltage must not exceed 40V.
Note 3:
The LT3066 regulator is tested and specified under pulse
load conditions such that T
J
≅
T
A
. The LT3066E regulators are 100%
tested at T
A
= 25°C and performance is guaranteed from 0°C to 125°C.
Performance at –40°C to 125°C is assured by design, characterization and
correlation with statistical process controls. The LT3066I regulators are
guaranteed over the full –40°C to 125°C operating junction temperature
range. High junction temperatures degrade operating lifetimes. Operating
lifetime is derated at junction temperatures greater than 125°C.
Note 4:
The LT3066 adjustable version is tested and specified for these
conditions with the ADJ pin connected to the OUT pin.
Note 5:
Maximum junction temperature limits operating conditions.
Regulated output voltage specifications do not apply for all possible
combinations of input voltage and output current. If operating at the
maximum input voltage, limit the output current range. If operating at
the maximum output current, limit the input voltage range. Current limit
foldback limits the maximum output current as a function of input-to-
output voltage. See Current Limit vs V
IN
– V
OUT
in the Typical Performance
Characteristics section.
Note 6:
Dropout voltage is the minimum IN-to-OUT differential voltage
needed to maintain regulation at a specified output current. In dropout,
the output voltage equals (V
IN
– V
DROPOUT
). For some output voltages,
minimum input voltage requirements limit dropout voltage.
Note 7:
To satisfy minimum input voltage requirements, the LT3066
adjustable version is tested and specified for these conditions with an
external resistor divider (60.4k bottom, 442k top) which sets V
OUT
to
5V. The divider adds 10uA of output DC load. This external current is
not factored into GND pin current. For fixed voltage options, an internal
resistor divider will add 5μA to the GND pin current. See the GND Pin
Current curves in the Typical Performance Characteristics section
Note 8:
GND pin current is tested with V
IN
= V
OUT(NOMINAL)
+ 0.6V and a
current source load. GND pin current increases in dropout. See GND pin
current curves in the Typical Performance Characteristics section.
Note 9:
To satisfy requirements for minimum input voltage, the LT3066 is
tested at V
IN
= V
OUT(NOMINAL)
+ 1V or V
IN
= 2.2V, whichever is greater.
Note 10:
ADJ pin bias current flows out of the ADJ pin.
Note 11:
SHDN
pin current flows into the
SHDN
pin.
Note 12:
This current flows into the OUT pin and out of the GND pin.
Note 13:
Current limit varies inversely with the external resistor value
tied from the IMAX pin to GND. If the externally programmed current
limit feature is unused, tie the IMAX pin to GND. The internal current limit
circuitry implements short-circuit protection as specified.
Note 14:
This IC includes over temperature protection that protects
the device during overload conditions. Junction temperature exceeds
125°C (LT3066E, LT3066I) when the over temperature circuitry is active.
Continuous operation above the specified maximum junction temperature
may impair device reliability.
Note 15:
Tie INFILT directly to IN or to a decoupling capacitor.
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