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Linear Technology Electronic Components Datasheet

LT3010-5 Datasheet

Low Dropout Micropower Linear Regulator

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FEATURES
n Wide Input Voltage Range: 3V to 80V
n Low Quiescent Current: 30µA
n Low Dropout Voltage: 300mV
n Output Current: 50mA
n Thermally Enhanced 8-Lead MSOP Package
n No Protection Diodes Needed
n Fixed Output Voltage: 5V (LT3010-5)
n Adjustable Output from 1.275V to 60V (LT3010)
n 1µA Quiescent Current in Shutdown
n Stable with 1µF Output Capacitor
n Stable with Aluminum, Tantalum or Ceramic
Capacitors
n Reverse-Battery Protection
n No Reverse Current Flow from Output
n Thermal Limiting
APPLICATIONS
n Low Current High Voltage Regulators
n Regulator for Battery-Powered Systems
n Telecom Applications
n Automotive Applications
LT3010/LT3010-5
50mA, 3V to 80V
Low Dropout
Micropower Linear Regulator
DESCRIPTION
The LT®3010 is a high voltage, micropower low dropout
linear regulator. The device is capable of supplying 50mA
output current with a dropout voltage of 300mV. Designed
for use in battery-powered or high voltage systems, the low
quiescent current (30µA operating and 1µA in shutdown)
makes the LT3010 an ideal choice. Quiescent current is
also well controlled in dropout.
Other features of the LT3010 include the ability to operate
with very small output capacitors. The regulators are stable
with only 1µF on the output while most older devices re-
quire between 10µF and 100µF for stability. Small ceramic
capacitors can be used without the necessary addition of
ESR as is common with other regulators. Internal protec-
tion circuitry includes reverse-battery protection, current
limiting, thermal limiting and reverse current protection.
The device is available in a fixed output voltage of 5V and
as an adjustable device with a 1.275V reference voltage.
The LT3010 regulator is available in the 8-lead MSOP pack-
age with an exposed pad for enhanced thermal handling
capability.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners.
TYPICAL APPLICATION
5V Supply with Shutdown
VIN
5.4V TO
80V
IN OUT
LT3010-5
1µF
SHDN SENSE
GND
VSHDN (PIN 5) OUTPUT
<0.3V
OFF
>2.0V
ON
30105 TA01
VOUT
5V
50mA
1µF
350
300
250
200
150
100
50
0
0
Dropout Voltage
10 20 30 40 50
OUTPUT CURRENT (mA)
30105 TA02
30105fe
1


Linear Technology Electronic Components Datasheet

LT3010-5 Datasheet

Low Dropout Micropower Linear Regulator

No Preview Available !

LT3010/LT3010-5
ABSOLUTE MAXIMUM RATINGS
(Note 1)
IN Pin Voltage......................................................... ±80V
OUT Pin Voltage...................................................... ±60V
IN to OUT Differential Voltage................................. ±80V
ADJ Pin Voltage........................................................ ±7V
SHDN Pin Input Voltage.......................................... ±80V
Output Short-Circuit Duration.......................... Indefinite
Storage Temperature Range................... –65°C to 150°C
Operating Junction Temperature Range
(Notes 3, 10, 11)
LT3010E.............................................. –40°C to 125°C
LT3010H............................................. –40°C to 140°C
LT3010MP.......................................... –55°C to 125°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PIN CONFIGURATION
TOP VIEW
OUT 1
8 IN
SENSE/ADJ* 2 9 7 NC
NC 3 GND 6 NC
GND 4
5 SHDN
MS8E PACKAGE
8-LEAD PLASTIC MSOP
*SENSE FOR LT3010-5, ADJ FOR LT3010
TJMAX = 125°C (LT3010E/LT3010MP), θJA = 40°C/W, θJC = 16°C/W†
TJMAX = 140°C (LT3010H), θJA = 40°C/W, θJC = 16°C/W†
SEE APPLICATIONS INFORMATION SECTION.
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
†MEASURED AT BOTTOM PAD
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3010EMS8E#PBF
LT3010EMS8E#TRPBF
LTZF
8-Lead Plastic MSOP
–40°C to 125°C
LT3010EMS8E-5#PBF
LT3010EMS8E-5#TRPBF
LTAEF
8-Lead Plastic MSOP
–40°C to 125°C
LT3010HMS8E#PBF
LT3010HMS8E#TRPBF
LTCLP
8-Lead Plastic MSOP
–40°C to 140°C
LT3010HMS8E-5#PBF
LT3010HMS8E-5#TRPBF
LTCLQ
8-Lead Plastic MSOP
–40°C to 140°C
LT3010MPMS8E#PBF
LT3010MPMS8E#TRPBF
LTZF
8-Lead Plastic MSOP
–55°C to 125°C
LT3010MPMS8E-5#PBF LT3010MPMS8E-5#TRPBF LTAEF
8-Lead Plastic MSOP
–55°C to 125°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3010EMS8E
LT3010EMS8E#TR
LTZF
8-Lead Plastic MSOP
–40°C to 125°C
LT3010EMS8E-5
LT3010EMS8E-5#TR
LTAEF
8-Lead Plastic MSOP
–40°C to 125°C
LT3010HMS8E
LT3010HMS8E #TR
LTCLP
8-Lead Plastic MSOP
–40°C to 140°C
LT3010HMS8E-5
LT3010HMS8E-5 #TR
LTCLQ
8-Lead Plastic MSOP
–40°C to 140°C
LT3010MPMS8E
LT3010MPMS8E#TR
LTZF
8-Lead Plastic MSOP
–55°C to 125°C
LT3010MPMS8E-5
LT3010MPMS8E-5#TR
LTAEF
8-Lead Plastic MSOP
–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/
ELECTRICAL CHARACTERISTICS (LT3010E, LT3010MP) The l denotes the specifications which apply over
the –40°C to 125°C (LT3010E) or –55°C to 125°C (LT3010MP) operating temperature range, otherwise specifications are at TA = 25°C.
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Minimum Input Voltage
Regulated Output Voltage
(Note 3)
ADJ Pin Voltage (Notes 2, 3)
LT3010 ILOAD = 50mA
LT3010-5 VIN = 5.5V, ILOAD = 1mA
6V < VIN < 80V, 1mA < ILOAD < 50mA
LT3010 VIN = 3V, ILOAD = 1mA
4V < VIN < 80V, 1mA < ILOAD < 50mA
l
4.925
l 4.850
1.258
l 1.237
3
5.000
5.000
1.275
1.275
4
5.075
5.150
1.292
1.313
V
V
V
V
V
30105fe
2


Part Number LT3010-5
Description Low Dropout Micropower Linear Regulator
Maker Linear Technology
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LT3010-5 Datasheet PDF






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