Datasheet LT1763 (Analog Devices)
| Manufacturer | Analog Devices |
| Description | 500mA, Low Noise, LDO Micropower Regulators |
| Pages / Page | 22 / 1 — FeaTures. DescripTion. Low Noise: 20µVRMS (10Hz to 100kHz). Output … |
| File Format / Size | PDF / 1.2 Mb |
| Document Language | English |
FeaTures. DescripTion. Low Noise: 20µVRMS (10Hz to 100kHz). Output Current: 500mA. Low Quiescent Current: 30µA
Model Line for this Datasheet
- LT1763CDE#PBF LT1763CDE#PBF LT1763CDE#TRPBF LT1763CDE#TRPBF LT1763CDE-1.5#PBF LT1763CDE-1.5#PBF LT1763CDE-1.5#TRPBF LT1763CDE-1.5#TRPBF LT1763CDE-1.8#PBF LT1763CDE-1.8#PBF LT1763CDE-1.8#TRPBF LT1763CDE-1.8#TRPBF LT1763CDE-2.5#PBF LT1763CDE-2.5#PBF LT1763CDE-2.5#TRPBF LT1763CDE-2.5#TRPBF LT1763CDE-3#PBF LT1763CDE-3#PBF LT1763CDE-3#TRPBF LT1763CDE-3#TRPBF LT1763CDE-3.3#PBF LT1763CDE-3.3#PBF LT1763CDE-3.3#TRPBF LT1763CDE-3.3#TRPBF LT1763CDE-5#PBF LT1763CDE-5#PBF LT1763CDE-5#TRPBF LT1763CDE-5#TRPBF LT1763CS8#PBF LT1763CS8#PBF LT1763CS8#TRPBF LT1763CS8#TRPBF LT1763CS8-1.5#PBF LT1763CS8-1.5#PBF LT1763CS8-1.5#TRPBF LT1763CS8-1.5#TRPBF LT1763CS8-1.8#PBF LT1763CS8-1.8#PBF LT1763CS8-1.8#TRPBF LT1763CS8-1.8#TRPBF LT1763CS8-2.5#PBF LT1763CS8-2.5#PBF LT1763CS8-2.5#TRPBF LT1763CS8-2.5#TRPBF LT1763CS8-3#PBF LT1763CS8-3#PBF LT1763CS8-3#TRPBF LT1763CS8-3#TRPBF LT1763CS8-3.3#PBF LT1763CS8-3.3#PBF LT1763CS8-3.3#TRPBF LT1763CS8-3.3#TRPBF LT1763CS8-5#PBF LT1763CS8-5#PBF LT1763CS8-5#TRPBF LT1763CS8-5#TRPBF LT1763IDE#PBF LT1763IDE#PBF LT1763IDE#TRPBF LT1763IDE#TRPBF LT1763IDE-1.5#PBF LT1763IDE-1.5#PBF LT1763IDE-1.5#TRPBF LT1763IDE-1.5#TRPBF LT1763IDE-1.8#PBF LT1763IDE-1.8#PBF LT1763IDE-1.8#TRPBF LT1763IDE-1.8#TRPBF LT1763IDE-2.5#PBF LT1763IDE-2.5#PBF LT1763IDE-2.5#TRPBF LT1763IDE-2.5#TRPBF LT1763IDE-3#PBF LT1763IDE-3#PBF LT1763IDE-3#TRPBF LT1763IDE-3#TRPBF LT1763IDE-3.3#PBF LT1763IDE-3.3#PBF LT1763IDE-3.3#TRPBF LT1763IDE-3.3#TRPBF LT1763IDE-5#PBF LT1763IDE-5#PBF LT1763IDE-5#TRPBF LT1763IDE-5#TRPBF LT1763IS8#PBF LT1763IS8#PBF LT1763IS8#TRPBF LT1763IS8#TRPBF LT1763IS8-1.5#PBF LT1763IS8-1.5#PBF LT1763IS8-1.5#TRPBF LT1763IS8-1.5#TRPBF LT1763IS8-1.8#PBF LT1763IS8-1.8#PBF LT1763IS8-1.8#TRPBF LT1763IS8-1.8#TRPBF LT1763IS8-2.5#PBF LT1763IS8-2.5#PBF LT1763IS8-2.5#TRPBF LT1763IS8-2.5#TRPBF LT1763IS8-3#PBF LT1763IS8-3#PBF LT1763IS8-3#TRPBF LT1763IS8-3#TRPBF LT1763IS8-3.3#PBF LT1763IS8-3.3#PBF LT1763IS8-3.3#TRPBF LT1763IS8-3.3#TRPBF LT1763IS8-5#PBF LT1763IS8-5#PBF LT1763IS8-5#TRPBF LT1763IS8-5#TRPBF LT1763MPDE LT1763MPDE#PBF LT1763MPDE#PBF LT1763MPDE#TR LT1763MPDE#TRPBF LT1763MPDE#TRPBF LT1763MPDE-1.5 LT1763MPDE-1.5#PBF LT1763MPDE-1.5#PBF LT1763MPDE-1.5#TRPBF LT1763MPDE-1.5#TRPBF LT1763MPDE-1.8#PBF LT1763MPDE-1.8#PBF LT1763MPDE-1.8#TRPBF LT1763MPDE-1.8#TRPBF LT1763MPDE-2.5#PBF LT1763MPDE-2.5#PBF LT1763MPDE-2.5#TRPBF LT1763MPDE-2.5#TRPBF LT1763MPDE-3#PBF LT1763MPDE-3#PBF LT1763MPDE-3#TRPBF LT1763MPDE-3#TRPBF LT1763MPDE-3.3 LT1763MPDE-3.3#PBF LT1763MPDE-3.3#PBF LT1763MPDE-3.3#TR LT1763MPDE-3.3#TRPBF LT1763MPDE-3.3#TRPBF LT1763MPDE-5#PBF LT1763MPDE-5#PBF LT1763MPDE-5#TRPBF LT1763MPDE-5#TRPBF LT1763MPS8 LT1763MPS8#PBF LT1763MPS8#PBF LT1763MPS8#TR LT1763MPS8#TRPBF LT1763MPS8#TRPBF LT1763MPS8-2.5#PBF LT1763MPS8-2.5#PBF LT1763MPS8-2.5#TRPBF LT1763MPS8-2.5#TRPBF LT1763MPS8-5#PBF LT1763MPS8-5#PBF LT1763MPS8-5#TRPBF LT1763MPS8-5#TRPBF
Text Version of Document
LT1763 Series 500mA, Low Noise, LDO Micropower Regulators
FeaTures DescripTion
n
Low Noise: 20µVRMS (10Hz to 100kHz)
The LT®1763 series are micropower, low noise, low dropout n
Output Current: 500mA
regulators. The devices are capable of supplying 500mA of n
Low Quiescent Current: 30µA
output current with a dropout voltage of 300mV. Designed n
Wide Input Voltage Range: 1.8V to 20V
for use in battery-powered systems, the low 30µA quiescent n
Low Dropout Voltage: 300mV
current makes them an ideal choice. Quiescent current is n
Very Low Shutdown Current: < 1µA
well controlled; it does not rise in dropout as it does with n No Protection Diodes Needed many other regulators. n Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3V, 3.3V, 5V A key feature of the LT1763 regulators is low output noise. n Adjustable Output from 1.22V to 20V With the addition of an external 0.01µF bypass capacitor, n Stable with 3.3µF Output Capacitor output noise drops to 20µV n RMS over a 10Hz to 100kHz Stable with Aluminum, Tantalum or Ceramic bandwidth. The LT1763 regulators are stable with output Capacitors capacitors as low as 3.3µF. Small ceramic capacitors can n Reverse Battery Protection be used without the series resistance required by other n No Reverse Current regulators. n Overcurrent and Overtemperature Protected n 8-Lead SO and 12-Lead (4mm × 3mm) DFN Internal protection circuitry includes reverse battery Packages protection, current limiting, thermal limiting and reverse current protection. The parts come in fixed output voltages
applicaTions
of 1.5V, 1.8V, 2.5V, 3V, 3.3V and 5V, and as an adjustable n device with a 1.22V reference voltage. The LT1763 regu- Cellular Phones n lators are available in 8-lead SO and 12-lead, low profile Battery-Powered Systems n (4mm × 3mm × 0.75mm) DFN packages. Noise-Sensitive Instrumentation Systems 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. Protected by U.S. Patents including 6144250, 6118263.
Typical applicaTion Dropout Voltage 3.3V Low Noise Regulator
400 350 3.3V AT 500mA IN OUT 300 VIN 20µV + RMS NOISE 3.7V TO 1µF SENSE 10µF 20V 250 LT1763-3.3 0.01µF 200 SHDN BYP GND 150 100 1763 TA01 DROPOUT VOLTAGE (mV) 50 0 0 100 200 300 400 500 OUTPUT CURRENT (mA) 1763 TA02 1763fh 1 For more information www.linear.com/LT1763 Document Outline Description Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Applications Information Package Description Typical Application Related Parts
FeaTures DescripTion
n
Low Noise: 20µVRMS (10Hz to 100kHz)
The LT®1763 series are micropower, low noise, low dropout n
Output Current: 500mA
regulators. The devices are capable of supplying 500mA of n
Low Quiescent Current: 30µA
output current with a dropout voltage of 300mV. Designed n
Wide Input Voltage Range: 1.8V to 20V
for use in battery-powered systems, the low 30µA quiescent n
Low Dropout Voltage: 300mV
current makes them an ideal choice. Quiescent current is n
Very Low Shutdown Current: < 1µA
well controlled; it does not rise in dropout as it does with n No Protection Diodes Needed many other regulators. n Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3V, 3.3V, 5V A key feature of the LT1763 regulators is low output noise. n Adjustable Output from 1.22V to 20V With the addition of an external 0.01µF bypass capacitor, n Stable with 3.3µF Output Capacitor output noise drops to 20µV n RMS over a 10Hz to 100kHz Stable with Aluminum, Tantalum or Ceramic bandwidth. The LT1763 regulators are stable with output Capacitors capacitors as low as 3.3µF. Small ceramic capacitors can n Reverse Battery Protection be used without the series resistance required by other n No Reverse Current regulators. n Overcurrent and Overtemperature Protected n 8-Lead SO and 12-Lead (4mm × 3mm) DFN Internal protection circuitry includes reverse battery Packages protection, current limiting, thermal limiting and reverse current protection. The parts come in fixed output voltages
applicaTions
of 1.5V, 1.8V, 2.5V, 3V, 3.3V and 5V, and as an adjustable n device with a 1.22V reference voltage. The LT1763 regu- Cellular Phones n lators are available in 8-lead SO and 12-lead, low profile Battery-Powered Systems n (4mm × 3mm × 0.75mm) DFN packages. Noise-Sensitive Instrumentation Systems 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. Protected by U.S. Patents including 6144250, 6118263.
Typical applicaTion Dropout Voltage 3.3V Low Noise Regulator
400 350 3.3V AT 500mA IN OUT 300 VIN 20µV + RMS NOISE 3.7V TO 1µF SENSE 10µF 20V 250 LT1763-3.3 0.01µF 200 SHDN BYP GND 150 100 1763 TA01 DROPOUT VOLTAGE (mV) 50 0 0 100 200 300 400 500 OUTPUT CURRENT (mA) 1763 TA02 1763fh 1 For more information www.linear.com/LT1763 Document Outline Description Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Applications Information Package Description Typical Application Related Parts
