Topology | Buck Converter |
Input voltage | 10.5-40 V |
Switching frequency | 400-2200 kHz |
Output 1 | 3.3 V / 3 A |
Output 2 | 7.5 V / 1.5 A |
IC revision | C |
LM5140 and LM5150 on the evaluation board.This reference design shows a complete power tree for automotive infotainment systems. The LM74700-Q1 provides reverse polarity protection to the system. The pre-booster with LM5150-Q1 provides a stable supply voltage of 10.5V during cranking for the dual-synchronous buck converter with LM5140-Q1, that provides an output voltage of 3.3V for a load current of 6.0A and an output voltage of 7.5V for a load current of 2.5A.
Order Code | Datasheet | Downloads | Status | Product series | Pins (pcs) | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | Pitch (mm) | Rows | Gender | IR (A) | Packaging | Samples | |
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![]() | 691411510002 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 4115 - 5.08 mm Screwless Horizontal Entry | 2 | Screwless Push In | PCB | No | Horizontal Cable Entry | 16 to 30 (AWG) 0.5 to 1.5 (mm²) | 5.08 | – | – | 10 | Box | |
![]() | 61300211121 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header - Single | 2 | – | – | – | Straight | – | 2.54 | Single | Pin Header | 3 | Bag | |
![]() | 61300311121 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header - Single | 3 | – | – | – | Straight | – | 2.54 | Single | Pin Header | 3 | Bag |
Order Code | Datasheet | |
---|---|---|
![]() | 691411510002 | SPEC |
![]() | 61300211121 | SPEC |
![]() | 61300311121 | SPEC |
Samples |
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Order Code | Datasheet | Downloads | Status | Product series | Pins (pcs) | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | Pitch (mm) | Rows | Gender | IR (A) | Packaging | Samples |
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