Datasheet LT3080-1 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Parallelable 1.1A Adjustable Single Resistor Low Dropout Regulator |
| Pages / Page | 24 / 7 — Typical perFormance characTerisTics. Output Voltage Noise. Error … |
| File Format / Size | PDF / 354 Kb |
| Document Language | English |
Typical perFormance characTerisTics. Output Voltage Noise. Error Amplifier Gain and Phase. pin FuncTions (DD/MS8E)
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LT3080-1
Typical perFormance characTerisTics Output Voltage Noise Error Amplifier Gain and Phase
20 300 15 250 10 200 VOUT I PHASE (DEGREES) 5 L = 1.1A 150 100µV/DIV 0 100 –5 IL = 100mA 50 TIME 1ms/DIV 30801 G27 GAIN (dB) –10 IL = 1.1A 0 VOUT = 1V –15 –50 RSET = 100k IL = 100mA CSET = O.1µF –20 –100 COUT = 10µF I –25 –150 LOAD = 1.1A –30 –200 10 100 1k 10k 100k 1M FREQUENCY (Hz) 30801 G28
pin FuncTions (DD/MS8E) VCONTROL (Pin 5/Pin 5):
This pin is the supply pin for the
OUT (Pins 1-3/Pins 1-3):
This is the power output of the control circuitry of the device. The current flow into this device. There must be a minimum load current of 1mA pin is about 1.7% of the output current. For the device to or the output may not regulate. regulate, this voltage must be more than 1.2V to 1.35V
SET (Pin 4/Pin 4):
This pin is the input to the error am- greater than the output voltage (see Dropout specifica- plifier and the regulation set point for the device. A fixed tions). current of 10µA flows out of this pin through a single
IN (Pins 7, 8/Pins 7, 8):
This is the collector to the power external resistor, which programs the output voltage of device of the LT3080-1. The output load current is supplied the device. Output voltage range is zero to the absolute through this pin. For the device to regulate, the voltage at maximum rated output voltage. Transient performance this pin must be more than 0.1V to 0.5V greater than the can be improved by adding a small capacitor from the output voltage (see Dropout specifications). SET pin to ground.
NC (Pin 6/Pin 6):
No Connection. No Connect pins have
Exposed Pad (Pin 9/Pin 9):
OUT on MS8E and DFN no connection to internal circuitry and may be tied to VIN, packages. VCONTROL, VOUT , GND, or floated. 30801fc For more information www.linear.com/LT3080-1 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical perFormance characTerisTics Output Voltage Noise Error Amplifier Gain and Phase
20 300 15 250 10 200 VOUT I PHASE (DEGREES) 5 L = 1.1A 150 100µV/DIV 0 100 –5 IL = 100mA 50 TIME 1ms/DIV 30801 G27 GAIN (dB) –10 IL = 1.1A 0 VOUT = 1V –15 –50 RSET = 100k IL = 100mA CSET = O.1µF –20 –100 COUT = 10µF I –25 –150 LOAD = 1.1A –30 –200 10 100 1k 10k 100k 1M FREQUENCY (Hz) 30801 G28
pin FuncTions (DD/MS8E) VCONTROL (Pin 5/Pin 5):
This pin is the supply pin for the
OUT (Pins 1-3/Pins 1-3):
This is the power output of the control circuitry of the device. The current flow into this device. There must be a minimum load current of 1mA pin is about 1.7% of the output current. For the device to or the output may not regulate. regulate, this voltage must be more than 1.2V to 1.35V
SET (Pin 4/Pin 4):
This pin is the input to the error am- greater than the output voltage (see Dropout specifica- plifier and the regulation set point for the device. A fixed tions). current of 10µA flows out of this pin through a single
IN (Pins 7, 8/Pins 7, 8):
This is the collector to the power external resistor, which programs the output voltage of device of the LT3080-1. The output load current is supplied the device. Output voltage range is zero to the absolute through this pin. For the device to regulate, the voltage at maximum rated output voltage. Transient performance this pin must be more than 0.1V to 0.5V greater than the can be improved by adding a small capacitor from the output voltage (see Dropout specifications). SET pin to ground.
NC (Pin 6/Pin 6):
No Connection. No Connect pins have
Exposed Pad (Pin 9/Pin 9):
OUT on MS8E and DFN no connection to internal circuitry and may be tied to VIN, packages. VCONTROL, VOUT , GND, or floated. 30801fc For more information www.linear.com/LT3080-1 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
