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Overview
| Topology | Other Topology |
| Input voltage | 3.5-5 V |
| IC revision | 1.1 |
Description
EV5455-L-00A Evaluation Board is designed todemonstrate the capabilities of MP5455. TheMP5455 is designed to provide back-up powerin the event of a power loss. The internal inputcurrent-limit block with dv/dt control preventsinrush current during system start-up; the busvoltage start-up slew rate is programmable.MPS’ patented power back-up control circuitminimizes the storage capacitor requirement. Itpumps the input voltage to a higher storagevoltage and releases the energy over a hold-uptime to the system in the case of an inputoutage. The storage voltage and the releasevoltage are both programmable for differentsystem requirements.
Features
Wide 2.7 to 7V Operating Input Range forMP5455
- 60mΩ Back to Back Switch for Input CurrentLimit Circuit and Reverse Current Blocking
- Reverse Current Protection
- 6V Bus Clamping Voltage
- Power on Reset
- Adjustable dv/dt Slew Rate for Bus VoltageStart-up
- Thermal Protection
- Available in an QFN20(3mmx4mm)Package
Typical applications
- Battery Hold-Up Supplies
- Power Back-Up
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744311470 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 4.7 | 7.8 | 2.5 | 7 | 19.5 | 33 | Superflux |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples |
|---|
