Datasheet LT1962 (Analog Devices) - 18
| Manufacturer | Analog Devices |
| Description | 300mA, Low Noise, Micropower LDO Regulators |
| Pages / Page | 18 / 18 — Typical applicaTion. Adjustable Current Source. Paralleling of Regulators … |
| File Format / Size | PDF / 481 Kb |
| Document Language | English |
Typical applicaTion. Adjustable Current Source. Paralleling of Regulators for Higher Output Current
Model Line for this Datasheet
- LT1962EMS8#PBF LT1962EMS8#PBF LT1962EMS8#TRPBF LT1962EMS8#TRPBF LT1962EMS8-1.5#PBF LT1962EMS8-1.5#PBF LT1962EMS8-1.5#TRPBF LT1962EMS8-1.5#TRPBF LT1962EMS8-1.8#PBF LT1962EMS8-1.8#PBF LT1962EMS8-1.8#TRPBF LT1962EMS8-1.8#TRPBF LT1962EMS8-2.5#PBF LT1962EMS8-2.5#PBF LT1962EMS8-2.5#TRPBF LT1962EMS8-2.5#TRPBF LT1962EMS8-3#PBF LT1962EMS8-3#PBF LT1962EMS8-3#TRPBF LT1962EMS8-3#TRPBF LT1962EMS8-3.3#PBF LT1962EMS8-3.3#PBF LT1962EMS8-3.3#TRPBF LT1962EMS8-3.3#TRPBF LT1962EMS8-5#PBF LT1962EMS8-5#PBF LT1962EMS8-5#TRPBF LT1962EMS8-5#TRPBF LT1962IMS8#PBF LT1962IMS8#PBF LT1962IMS8#TRPBF LT1962IMS8#TRPBF
Text Version of Document
LT1962 Series
Typical applicaTion Adjustable Current Source Paralleling of Regulators for Higher Output Current
R1 R5 0.1Ω 0.1Ω 3.3V IN OUT IN OUT 300mA + + + VIN C1 C1 FB C2 R1* LOAD V LT1962-2.5 IN > 3.7V >2.7V 10µF 10µF C4 1k LT1962-3.3 10µF 0.01µF SHDN FB SHDN BYP R2 R6 LT1004-1.2 GND R7 40.2k 2.2k 100k GND R2 R3 R4 0.1Ω 2k 2.2k IN OUT C3 C5 – 0.33µF LT1962 0.01µF R6 BYP 2k *ADJUST R1 FOR 0mA TO 300mA 1/2 LT1490 CONSTANT CURRENT 1962 TA04 + SHDN SHDN ADJ GND C2 R7 1µF 1.21k R3 R4 2.2k 2.2k 3 8 R5 + 10k 1 1/2 LT1490 2 – 4 1962 TA03 C3 0.01µF
relaTeD parTs PART NUMBER DESCRIPTION COMMENTS
LT1120 125mA Low Dropout Regulator with 20µA IQ Includes 2.5V Reference and Comparator LT1121 150mA Micropower Low Dropout Regulator 30µA IQ, SOT-223 Package LT1129 700mA Micropower Low Dropout Regulator 50µA Quiescent Current LT1175 500mA Negative Low Dropout Micropower Regulator 45µA IQ, 0.26V Dropout Voltage, SOT-223 Package LT1521 300mA Low Dropout Micropower Regulator with Shutdown 15µA IQ, Reverse Battery Protection LT1529 3A Low Dropout Regulator with 50µA IQ 500mV Dropout Voltage LTC®1627 High Efficiency Synchronous Step-Down Switching Regulator Burst Mode™ Operation, Monolithic, 100% Duty Cycle LT1761 100mA, Low Noise, Low Dropout Micropower Regulator in SOT-23 20µA Quiescent Current, 20µVRMS Noise LT1762 150mA, Low Noise, LDO Micropower Regulator 25µA Quiescent Current, 20µVRMS Noise LT1763 500mA, Low Noise, LDO Micropower Regulator 30µA Quiescent Current, 20µVRMS Noise LT1764 3A, Fast Transient Response Low Dropout Regulator 340mV Dropout Voltage, 40µVRMS Noise LTC1772 Constant Frequency Current Mode Step-Down DC/DC Controller Up to 94% Efficiency, SOT-23 Package, 100% Duty Cycle LT1963 1.5A, Fast Transient Response Low Dropout Regulator SO-8, SOT-223 Packages 1962fa 1962fb 18 LT 0515 REV B • PRINTED IN USA Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95 F0o3r 5m-o 7 r4e in 17 formation www.linear.com/LT1962 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT1962 LINEAR TECHNOLOGY CORPORATION 2000 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Typical Application Related Parts
Typical applicaTion Adjustable Current Source Paralleling of Regulators for Higher Output Current
R1 R5 0.1Ω 0.1Ω 3.3V IN OUT IN OUT 300mA + + + VIN C1 C1 FB C2 R1* LOAD V LT1962-2.5 IN > 3.7V >2.7V 10µF 10µF C4 1k LT1962-3.3 10µF 0.01µF SHDN FB SHDN BYP R2 R6 LT1004-1.2 GND R7 40.2k 2.2k 100k GND R2 R3 R4 0.1Ω 2k 2.2k IN OUT C3 C5 – 0.33µF LT1962 0.01µF R6 BYP 2k *ADJUST R1 FOR 0mA TO 300mA 1/2 LT1490 CONSTANT CURRENT 1962 TA04 + SHDN SHDN ADJ GND C2 R7 1µF 1.21k R3 R4 2.2k 2.2k 3 8 R5 + 10k 1 1/2 LT1490 2 – 4 1962 TA03 C3 0.01µF
relaTeD parTs PART NUMBER DESCRIPTION COMMENTS
LT1120 125mA Low Dropout Regulator with 20µA IQ Includes 2.5V Reference and Comparator LT1121 150mA Micropower Low Dropout Regulator 30µA IQ, SOT-223 Package LT1129 700mA Micropower Low Dropout Regulator 50µA Quiescent Current LT1175 500mA Negative Low Dropout Micropower Regulator 45µA IQ, 0.26V Dropout Voltage, SOT-223 Package LT1521 300mA Low Dropout Micropower Regulator with Shutdown 15µA IQ, Reverse Battery Protection LT1529 3A Low Dropout Regulator with 50µA IQ 500mV Dropout Voltage LTC®1627 High Efficiency Synchronous Step-Down Switching Regulator Burst Mode™ Operation, Monolithic, 100% Duty Cycle LT1761 100mA, Low Noise, Low Dropout Micropower Regulator in SOT-23 20µA Quiescent Current, 20µVRMS Noise LT1762 150mA, Low Noise, LDO Micropower Regulator 25µA Quiescent Current, 20µVRMS Noise LT1763 500mA, Low Noise, LDO Micropower Regulator 30µA Quiescent Current, 20µVRMS Noise LT1764 3A, Fast Transient Response Low Dropout Regulator 340mV Dropout Voltage, 40µVRMS Noise LTC1772 Constant Frequency Current Mode Step-Down DC/DC Controller Up to 94% Efficiency, SOT-23 Package, 100% Duty Cycle LT1963 1.5A, Fast Transient Response Low Dropout Regulator SO-8, SOT-223 Packages 1962fa 1962fb 18 LT 0515 REV B • PRINTED IN USA Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95 F0o3r 5m-o 7 r4e in 17 formation www.linear.com/LT1962 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT1962 LINEAR TECHNOLOGY CORPORATION 2000 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Typical Application Related Parts
