Datasheet LT1120A (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Micropower Regulator with Comparator and Shutdown |
| 页数 / 页 | 14 / 9 — Typical applicaTions. Regulator with Output Voltage Monitor. Compensating … |
| 文件格式/大小 | PDF / 196 Kb |
| 文件语言 | 英语 |
Typical applicaTions. Regulator with Output Voltage Monitor. Compensating the Comparator as an Op Amp
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LT1120A
Typical applicaTions Regulator with Output Voltage Monitor
5 5V VIN 4 OUTPUT OUTPUT 5V + LOGIC 500k – 0.001µF 98k 10µF V LOGIC 7 LT1120A 8 OUT OUTPUT PIN 7 + 2k 2 LOGIC OUTPUT FEEDBACK 100k REF GND 1120A TA03 6 1 LOGIC OUTPUT GOES LOW WHEN VOUT DROPS BY 100mV
Compensating the Comparator as an Op Amp
6 50µA VREF + 7 – AT AV = 100, SLEW RATE = +0.05V/µs –6V/µs R2 1M IN C2 R1 C1 AV R1 C1 C2 R2 –1 33Ω 0.1µF 0.001µF 1M –10 100Ω 0.047µF – 100k –100 10k 0.002µF – 10k 1120A TA04 1120afb For more information www.linear.com/LT1120A 9 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Related Parts
Typical applicaTions Regulator with Output Voltage Monitor
5 5V VIN 4 OUTPUT OUTPUT 5V + LOGIC 500k – 0.001µF 98k 10µF V LOGIC 7 LT1120A 8 OUT OUTPUT PIN 7 + 2k 2 LOGIC OUTPUT FEEDBACK 100k REF GND 1120A TA03 6 1 LOGIC OUTPUT GOES LOW WHEN VOUT DROPS BY 100mV
Compensating the Comparator as an Op Amp
6 50µA VREF + 7 – AT AV = 100, SLEW RATE = +0.05V/µs –6V/µs R2 1M IN C2 R1 C1 AV R1 C1 C2 R2 –1 33Ω 0.1µF 0.001µF 1M –10 100Ω 0.047µF – 100k –100 10k 0.002µF – 10k 1120A TA04 1120afb For more information www.linear.com/LT1120A 9 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Related Parts