Texas Instruments

Description

DATASHEET Integrated with a 1A power switch, the LM3405 is a. 2 VIN Operating Range of 3V to 15V current-mode control switching buck regulator. Thin SOT-6 Package. The LM3405 demo board is configured to drive a series string of high power, high The LM3405 is a step-down regulator with an output voltage range. Complete Circuit of the LM340 .. 5 . 2.4. Short Circuit Protection .. Q3. 2N3904. Q2. 2N3904. R2. 2k. Q1. 2N3906. R1. 2k. R4. 2k. R5. 750. C2. 68 F. 10V. +5 VDC. LS244 (pin 20). U1. LM340-5 . PC PARALLEL. INTERFACE. 2k Nov 3, 2015 load regulation (Lr) [(R1 + R2)/R1] (Lr of LM340-5 ). Figure 20. Current Regulator. Figure 21. Adjustable Output Regulator. Figure 22.