Datasheet LT3010, LT3010-5 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | 50mA, 3V to 80V Low Dropout Micropower Linear Regulator |
| Páginas / Página | 18 / 1 — FEATURES. DESCRIPTION. Wide Input Voltage Range: 3V to 80V. Low Quiescent … |
| Formato / tamaño de archivo | PDF / 415 Kb |
| Idioma del documento | Inglés |
FEATURES. DESCRIPTION. Wide Input Voltage Range: 3V to 80V. Low Quiescent Current: 30µA. Low Dropout Voltage: 300mV
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Versión de texto del documento
LT3010/LT3010-5 50mA, 3V to 80V Low Dropout Micropower Linear Regulator
FEATURES DESCRIPTION
n
Wide Input Voltage Range: 3V to 80V
The LT®3010 is a high voltage, micropower low dropout n
Low Quiescent Current: 30µA
linear regulator. The device is capable of supplying 50mA n
Low Dropout Voltage: 300mV
output current with a dropout voltage of 300mV. Designed n
Output Current: 50mA
for use in battery-powered or high voltage systems, the low n
Thermally Enhanced 8-Lead MSOP Package
quiescent current (30µA operating and 1µA in shutdown) n No Protection Diodes Needed makes the LT3010 an ideal choice. Quiescent current is n Fixed Output Voltage: 5V (LT3010-5) also well controlled in dropout. n Adjustable Output from 1.275V to 60V (LT3010) Other features of the LT3010 include the ability to operate n 1µA Quiescent Current in Shutdown with very smal output capacitors. The regulators are stable n Stable with 1µF Output Capacitor with only 1µF on the output while most older devices re- n Stable with Aluminum, Tantalum or Ceramic quire between 10µF and 100µF for stability. Small ceramic Capacitors capacitors can be used without the necessary addition of n Reverse-Battery Protection ESR as is common with other regulators. Internal protec- n No Reverse Current Flow from Output tion circuitry includes reverse-battery protection, current n Thermal Limiting limiting, thermal limiting and reverse current protection.
APPLICATIONS
The device is available in a fixed output voltage of 5V and as an adjustable device with a 1.275V reference voltage. n Low Current High Voltage Regulators The LT3010 regulator is available in the 8-lead MSOP pack- n Regulator for Battery-Powered Systems age with an exposed pad for enhanced thermal handling n Telecom Applications capability. n Automotive Applications 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 Dropout Voltage
350
5V Supply with Shutdown
300 VOUT IN OUT 250 5V VIN 50mA LT3010-5 5.4V TO TAGE (mV) 200 1µF 1µF 80V SHDN SENSE 150 GND 100 30105 TA01 DROPOUT VOL
VSHDN (PIN 5) OUTPUT
50 <0.3V OFF >2.0V ON 0 0 10 20 30 40 50 OUTPUT CURRENT (mA) 30105 TA02 30105fe 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
FEATURES DESCRIPTION
n
Wide Input Voltage Range: 3V to 80V
The LT®3010 is a high voltage, micropower low dropout n
Low Quiescent Current: 30µA
linear regulator. The device is capable of supplying 50mA n
Low Dropout Voltage: 300mV
output current with a dropout voltage of 300mV. Designed n
Output Current: 50mA
for use in battery-powered or high voltage systems, the low n
Thermally Enhanced 8-Lead MSOP Package
quiescent current (30µA operating and 1µA in shutdown) n No Protection Diodes Needed makes the LT3010 an ideal choice. Quiescent current is n Fixed Output Voltage: 5V (LT3010-5) also well controlled in dropout. n Adjustable Output from 1.275V to 60V (LT3010) Other features of the LT3010 include the ability to operate n 1µA Quiescent Current in Shutdown with very smal output capacitors. The regulators are stable n Stable with 1µF Output Capacitor with only 1µF on the output while most older devices re- n Stable with Aluminum, Tantalum or Ceramic quire between 10µF and 100µF for stability. Small ceramic Capacitors capacitors can be used without the necessary addition of n Reverse-Battery Protection ESR as is common with other regulators. Internal protec- n No Reverse Current Flow from Output tion circuitry includes reverse-battery protection, current n Thermal Limiting limiting, thermal limiting and reverse current protection.
APPLICATIONS
The device is available in a fixed output voltage of 5V and as an adjustable device with a 1.275V reference voltage. n Low Current High Voltage Regulators The LT3010 regulator is available in the 8-lead MSOP pack- n Regulator for Battery-Powered Systems age with an exposed pad for enhanced thermal handling n Telecom Applications capability. n Automotive Applications 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 Dropout Voltage
350
5V Supply with Shutdown
300 VOUT IN OUT 250 5V VIN 50mA LT3010-5 5.4V TO TAGE (mV) 200 1µF 1µF 80V SHDN SENSE 150 GND 100 30105 TA01 DROPOUT VOL
VSHDN (PIN 5) OUTPUT
50 <0.3V OFF >2.0V ON 0 0 10 20 30 40 50 OUTPUT CURRENT (mA) 30105 TA02 30105fe 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Applications Package Description Revision History Typical Application Related Parts