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Texas Instruments LM5141 | Demoboard PMP20818
137W Holdup Converter for Storage Server Reference Design
Overview
| Topology | Buck Converter |
| Input voltage | 13-50 V |
| Output 1 | 11 V / 12.5 A |
| IC revision | A |
Description
PMP20818 is a holdup reference design that uses the LM3481 non-synchronous boost and LM5141-Q1 synchronous buck controllers. When the 12V input supply is available, the buck converter is disabled, and the boost converter charges a capacitive holdup bank. In the event of a power outage, the boost converter is disabled, and the buck converter is enabled to holdup the 12V input rail for 15ms with a load of 12.5A.
Features
- Boost followed by synchronous buck
- Peak current-mode control
- Buck turns on automatically at input power loss
- No user control required
- Low dropout buck maximizes holdup time
Typical applications
- Embedded PC
- Industrial Programmable Logic Controller / Industrial PC
- Medical Equipment
More information
Products
| Order Code | Datasheet | Downloads | Status | Product series | Pins (pcs) | Rows | Gender | Type | IR (A) | Packaging | Color | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 60900213421 | SPEC | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point | 1 | – | Jumper | – | 3 | Bag | Black | |
 | 61300211121 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | 2 | Single | Pin Header | Straight | 3 | Bag | – | |
 | 61300311121 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | 3 | Single | Pin Header | Straight | 3 | Bag | – |
| Order Code | Datasheet | |
|---|---|---|
| 60900213421 | SPEC |
| 61300211121 | SPEC |
| 61300311121 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Downloads | Status | Product series | Pins (pcs) | Rows | Gender | Type | IR (A) | Packaging | Color | Samples |
|---|
