LT3010/LT3010-5
50mA, 3V to 80V
Low Dropout
Micropower Linear Regulator
FEATURES DESCRIPTION
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Wide Input Voltage Range: 3V to 80V The LT 3010 is a high voltage, micropower low dropout
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Low Quiescent Current: 30A linear regulator. The device is capable of supplying 50mA
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Low Dropout Voltage: 300mV output current with a dropout voltage of 300mV. Designed
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Output Current: 50mA for use in battery-powered or high voltage systems, the low
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Thermally Enhanced 8-Lead MSOP Package quiescent current (30A operating and 1A in shutdown)
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No Protection Diodes Needed makes the LT3010 an ideal choice. Quiescent current is
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Fixed Output Voltage: 5V (LT3010-5) also well controlled in dropout.
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Adjustable Output from 1.275V to 60V (LT3010)
Other features of the LT3010 include the ability to operate
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1A Quiescent Current in Shutdown
with very small output capacitors. The regulators are stable
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Stable with 1F Output Capacitor
with only 1F on the output while most older devices re-
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Stable with Aluminum, Tantalum or Ceramic
quire between 10F and 100F for stability. Small ceramic
Capacitors
capacitors can be used without the necessary addition of
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Reverse-Battery Protection
ESR as is common with other regulators. Internal protec-
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No Reverse Current Flow from Output
tion circuitry includes reverse-battery protection, current
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Thermal Limiting
limiting, thermal limiting and reverse current protection.
The device is available in a fixed output voltage of 5V and
APPLICATIONS
as an adjustable device with a 1.275V reference voltage.
n The LT3010 regulator is available in the 8-lead MSOP pack-
Low Current High Voltage Regulators
n age with an exposed pad for enhanced thermal handling
Regulator for Battery-Powered Systems
n capability.
Telecom Applications
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L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
Automotive Applications
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners.
TYPICAL APPLICATION
Dropout Voltage
350
5V Supply with Shutdown
300
V
OUT
250
IN OUT
5V
50mA
V
IN
LT3010-5
200
5.4V TO
1F 1F
80V
SHDN SENSE
150
GND
100
30105 TA01
V (PIN 5) OUTPUT
SHDN
50
<0.3V OFF
>2.0V ON
0
0 10 20 30 40 50
OUTPUT CURRENT (mA)
30105 TA02
30105fe
1
DROPOUT VOLTAGE (mV)LT3010/LT3010-5
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION
(Note 1)
IN Pin Voltage ........................................................ 80V
OUT Pin Voltage ..................................................... 60V
TOP VIEW
OUT 1 8 IN
IN to OUT Differential Voltage ................................ 80V
9
SENSE/ADJ* 2 7 NC
ADJ Pin Voltage ....................................................... 7V
NC 3 GND 6 NC
5 SHDN
GND 4
SHDN Pin Input Voltage ......................................... 80V
MS8E PACKAGE
Output Short-Circuit Duration ......................... Indefinite
8-LEAD PLASTIC MSOP
Storage Temperature Range .................. 65C to 150C *SENSE FOR LT3010-5, ADJ FOR LT3010
T = 125C (LT3010E/LT3010MP), = 40C/W, = 16C/W
JMAX JA JC
Operating Junction Temperature Range
T = 140C (LT3010H), = 40C/W, = 16C/W
JMAX JA JC
SEE APPLICATIONS INFORMATION SECTION.
(Notes 3, 10, 11)
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
MEASURED AT BOTTOM PAD
LT3010E ............................................. 40C to 125C
LT3010H ............................................ 40C to 140C
LT3010MP.......................................... 55C to 125C
Lead Temperature (Soldering, 10 sec) ................. 300C
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3010EMS8E#PBF LT3010EMS8E#TRPBF LTZF 8-Lead Plastic MSOP 40C to 125C
LT3010EMS8E-5#PBF LT3010EMS8E-5#TRPBF LTAEF 8-Lead Plastic MSOP 40C to 125C
LT3010HMS8E#PBF LT3010HMS8E#TRPBF LTCLP 8-Lead Plastic MSOP 40C to 140C
LT3010HMS8E-5#PBF LT3010HMS8E-5#TRPBF LTCLQ 8-Lead Plastic MSOP 40C to 140C
LT3010MPMS8E#PBF LT3010MPMS8E#TRPBF LTZF 8-Lead Plastic MSOP 55C to 125C
LT3010MPMS8E-5#PBF LT3010MPMS8E-5#TRPBF LTAEF 8-Lead Plastic MSOP 55C to 125C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3010EMS8E LT3010EMS8E#TR LTZF 8-Lead Plastic MSOP 40C to 125C
LT3010EMS8E-5 LT3010EMS8E-5#TR LTAEF 8-Lead Plastic MSOP 40C to 125C
LT3010HMS8E LT3010HMS8E #TR LTCLP 8-Lead Plastic MSOP 40C to 140C
LT3010HMS8E-5 LT3010HMS8E-5 #TR LTCLQ 8-Lead Plastic MSOP 40C to 140C
LT3010MPMS8E LT3010MPMS8E#TR LTZF 8-Lead Plastic MSOP 55C to 125C
LT3010MPMS8E-5 LT3010MPMS8E-5#TR LTAEF 8-Lead Plastic MSOP 55C to 125C
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: