Datasheet LT3065 (Analog Devices)
| Manufacturer | Analog Devices |
| Description | 45V VIN, 500mA Low Noise, Linear Regulator with Programmable Current Limit and Power Good |
| Pages / Page | 28 / 1 — FEATURES. DESCRIPTION. Input Voltage Range: 1.6V to 45V. Output Current: … |
| Revision | D |
| File Format / Size | PDF / 1.7 Mb |
| Document Language | English |
FEATURES. DESCRIPTION. Input Voltage Range: 1.6V to 45V. Output Current: 500mA. Dropout Voltage: 300mV
Model Line for this Datasheet
- LT3065EDD#PBF LT3065EDD#TRPBF LT3065EDD-1.2#PBF LT3065EDD-1.2#TRPBF LT3065EDD-1.5#PBF LT3065EDD-1.5#TRPBF LT3065EDD-1.8#PBF LT3065EDD-1.8#TRPBF LT3065EDD-2.5#PBF LT3065EDD-2.5#TRPBF LT3065EDD-3.3#PBF LT3065EDD-3.3#TRPBF LT3065EDD-5#PBF LT3065EDD-5#TRPBF LT3065EMSE#PBF LT3065EMSE#TRPBF LT3065EMSE-1.2#PBF LT3065EMSE-1.2#TRPBF LT3065EMSE-1.5#PBF LT3065EMSE-1.5#TRPBF LT3065EMSE-1.8#PBF LT3065EMSE-1.8#TRPBF LT3065EMSE-2.5#PBF LT3065EMSE-2.5#TRPBF LT3065EMSE-3.3#PBF LT3065EMSE-3.3#TRPBF LT3065EMSE-5#PBF LT3065EMSE-5#TRPBF LT3065HDD#PBF LT3065HDD#TRPBF LT3065HDD-1.2#PBF LT3065HDD-1.2#TRPBF LT3065HDD-1.5#PBF LT3065HDD-1.5#TRPBF LT3065HDD-1.8#PBF LT3065HDD-1.8#TRPBF LT3065HDD-2.5#PBF LT3065HDD-2.5#TRPBF LT3065HDD-3.3#PBF LT3065HDD-3.3#TRPBF LT3065HDD-5#PBF LT3065HDD-5#TRPBF LT3065HMSE#PBF LT3065HMSE#TRPBF LT3065HMSE-1.2#PBF LT3065HMSE-1.2#TRPBF LT3065HMSE-1.5#PBF LT3065HMSE-1.5#TRPBF LT3065HMSE-1.8#PBF LT3065HMSE-1.8#TRPBF LT3065HMSE-2.5#PBF LT3065HMSE-2.5#TRPBF LT3065HMSE-3.3#PBF LT3065HMSE-3.3#TRPBF LT3065HMSE-5#PBF LT3065HMSE-5#TRPBF LT3065IDD#PBF LT3065IDD#TRPBF LT3065IDD-1.2#PBF LT3065IDD-1.2#TRPBF LT3065IDD-1.5#PBF LT3065IDD-1.5#TRPBF LT3065IDD-1.8#PBF LT3065IDD-1.8#TRPBF LT3065IDD-2.5#PBF LT3065IDD-2.5#TRPBF LT3065IDD-3.3#PBF LT3065IDD-3.3#TRPBF LT3065IDD-5#PBF LT3065IDD-5#TRPBF LT3065IMSE#PBF LT3065IMSE#TRPBF LT3065IMSE-1.2#PBF LT3065IMSE-1.2#TRPBF LT3065IMSE-1.5#PBF LT3065IMSE-1.5#TRPBF LT3065IMSE-1.8#PBF LT3065IMSE-1.8#TRPBF LT3065IMSE-2.5#PBF LT3065IMSE-2.5#TRPBF LT3065IMSE-3.3#PBF LT3065IMSE-3.3#TRPBF LT3065IMSE-5#PBF LT3065IMSE-5#TRPBF LT3065MPDD#PBF LT3065MPDD#TRPBF LT3065MPDD-1.2#PBF LT3065MPDD-1.2#TRPBF LT3065MPDD-1.5#PBF LT3065MPDD-1.5#TRPBF LT3065MPDD-1.8#PBF LT3065MPDD-1.8#TRPBF LT3065MPDD-2.5#PBF LT3065MPDD-2.5#TRPBF LT3065MPDD-3.3#PBF LT3065MPDD-3.3#TRPBF LT3065MPDD-5#PBF LT3065MPDD-5#TRPBF LT3065MPMSE#PBF LT3065MPMSE#TRPBF LT3065MPMSE-1.2#PBF LT3065MPMSE-1.2#TRPBF LT3065MPMSE-1.5#PBF LT3065MPMSE-1.5#TRPBF LT3065MPMSE-1.8#PBF LT3065MPMSE-1.8#TRPBF LT3065MPMSE-2.5#PBF LT3065MPMSE-2.5#TRPBF LT3065MPMSE-3.3#PBF LT3065MPMSE-3.3#TRPBF LT3065MPMSE-5#PBF LT3065MPMSE-5#TRPBF
Text Version of Document
LT3065 Series 45V VIN, 500mA Low Noise, Linear Regulator with Programmable Current Limit and Power Good
FEATURES DESCRIPTION
n
Input Voltage Range: 1.6V to 45V
The LT®3065 Series are micropower, low noise, low dropout n
Output Current: 500mA
voltage (LDO) linear regulators that operate over a 1.6V n
Dropout Voltage: 300mV
to 45V input voltage range. The devices supply 500mA of n
Programmable Precision Current Limit: ±10%
output current with a typical dropout voltage of 300mV. A n
Power Good Flag
single external capacitor provides programmable low noise n
Low Noise: 25µVRMS (10Hz to 100kHz)
reference performance and output soft-start functionality. n Adjustable Output (VREF = VOUT(MIN) = 600mV) A single external resistor programs the LT3065’s current n Output Tolerance: ±2% Over Line, Load and limit, accurate to ±10% over a wide input voltage and tem- Temperature perature range. A PWRGD flag indicates output regulation. n Stable with Low ESR, Ceramic Output Capacitors (3.3µF Minimum) The LT3065 optimizes stability and transient response n Single Capacitor Soft-Starts Reference and Lowers with low ESR ceramic capacitors, requiring a minimum of Output Noise 3.3µF. Internal protection circuitry includes current limiting n Current Limit Foldback Protection with foldback, thermal limiting, reverse battery protection, n Shutdown Current: <1µA reverse current protection and reverse output protection. n Reverse Battery and Thermal Limit Protection The LT3065 is available in fixed output voltages of 1.2V, n 10-Lead 3mm × 3mm DFN and 12-lead MSOP 1.5V, 1.8V, 2.5V, 3.3V, and 5V, and as an adjustable de- Packages vice with an output voltage range from 0.6V to 40V. The LT3065 is available in the thermally-enhanced 10-lead
APPLICATIONS
3mm × 3mm DFN and 12-lead MSOP packages. n All registered trademarks and trademarks are the property of their respective owners. Battery-Powered Systems n Automotive Power Supplies n Industrial Power Supplies n Avionic Power Supplies n Portable Instruments
TYPICAL APPLICATION Precision Current Limit, RIMAX = 1.5k
220
5V Supply with 200mA Precision Current Limit
VOUT(NOMINAL) = 5V 216 212 5V 5.6V TO 13V IN OUT OUT 208 IN LT3065-5 200mA V 3.3µF 1nF 3.3µF 204 IN = 10V 500k SHDN SENSE 200 VIN = 5.6V PWRGD ADJ 196 REF/BYP I CURRENT LIMIT (mA) 192 MAX GND 10nF 188 1.5k 22nF 184 3065 TA01a 180–75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) 3065 TA01b Rev.D Document Feedback For more information www.analog.com 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts
FEATURES DESCRIPTION
n
Input Voltage Range: 1.6V to 45V
The LT®3065 Series are micropower, low noise, low dropout n
Output Current: 500mA
voltage (LDO) linear regulators that operate over a 1.6V n
Dropout Voltage: 300mV
to 45V input voltage range. The devices supply 500mA of n
Programmable Precision Current Limit: ±10%
output current with a typical dropout voltage of 300mV. A n
Power Good Flag
single external capacitor provides programmable low noise n
Low Noise: 25µVRMS (10Hz to 100kHz)
reference performance and output soft-start functionality. n Adjustable Output (VREF = VOUT(MIN) = 600mV) A single external resistor programs the LT3065’s current n Output Tolerance: ±2% Over Line, Load and limit, accurate to ±10% over a wide input voltage and tem- Temperature perature range. A PWRGD flag indicates output regulation. n Stable with Low ESR, Ceramic Output Capacitors (3.3µF Minimum) The LT3065 optimizes stability and transient response n Single Capacitor Soft-Starts Reference and Lowers with low ESR ceramic capacitors, requiring a minimum of Output Noise 3.3µF. Internal protection circuitry includes current limiting n Current Limit Foldback Protection with foldback, thermal limiting, reverse battery protection, n Shutdown Current: <1µA reverse current protection and reverse output protection. n Reverse Battery and Thermal Limit Protection The LT3065 is available in fixed output voltages of 1.2V, n 10-Lead 3mm × 3mm DFN and 12-lead MSOP 1.5V, 1.8V, 2.5V, 3.3V, and 5V, and as an adjustable de- Packages vice with an output voltage range from 0.6V to 40V. The LT3065 is available in the thermally-enhanced 10-lead
APPLICATIONS
3mm × 3mm DFN and 12-lead MSOP packages. n All registered trademarks and trademarks are the property of their respective owners. Battery-Powered Systems n Automotive Power Supplies n Industrial Power Supplies n Avionic Power Supplies n Portable Instruments
TYPICAL APPLICATION Precision Current Limit, RIMAX = 1.5k
220
5V Supply with 200mA Precision Current Limit
VOUT(NOMINAL) = 5V 216 212 5V 5.6V TO 13V IN OUT OUT 208 IN LT3065-5 200mA V 3.3µF 1nF 3.3µF 204 IN = 10V 500k SHDN SENSE 200 VIN = 5.6V PWRGD ADJ 196 REF/BYP I CURRENT LIMIT (mA) 192 MAX GND 10nF 188 1.5k 22nF 184 3065 TA01a 180–75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) 3065 TA01b Rev.D Document Feedback For more information www.analog.com 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts
