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Monolithic Power Systems MP2158A | Demoboard EV2158A-QH-00A
1A, 6V, 1.5MHz Synchronous Step-Down Switcher Evaluation Board
Overview
| Topology | Buck Converter |
| Input voltage | 2.5-6 V |
| Output 1 | 1.2 V / 1 A |
| IC revision | 1.0 |
Description
The EV2158A-QH-00A is used for demonstrating the performance of MPS’s MP2158A, a low voltage high switching frequency step-down switcher with built in power MOSFETs. MP2158A provides up to 1A highly efficient output with constant-on-time control for fast loop response. MP2158A is ideal for powering portable equipment that runs from a single cell Lithiumion (Li+) Battery. The output voltage can be regulated as low as 0.6V
Features
- Very Low IQ: 17μA
- Default 1.5MHz Switching Frequency
- 1.5% VFB Accuracy
- EN and Power Good for Power Sequencing
- Wide 2.5V to 6V Operating Input RangeOutput Adjustable from 0.6V
- Up to 1A Output Current
- 100% Duty Cycle in Dropout
- 120mΩ and 90mΩ Internal Power MOSFETSwitches
- Cycle-by-Cycle Over Current Protection
- Short Circuit Protect with Hiccup Mode
- Stable with Low ESR Output CeramicCapacitors
- Available in a QFN8(1.5mmx2mm) Package
Typical applications
- Low Voltage I/O System Power
- Wireless/Networking Cards
- Battery Powered Devices
- Portable Instruments
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | IR (A) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744777001 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | WE-PD SMT Power Inductor | 1 | 8.6 | 10.2 | 10 | 100 | 7345 | Standard | 6.84 | ||
 | 7447730 | SPEC | 8 files | WE-PD2 SMT Power Inductor | 1 | – | 5.72 | 49 | 110 | 4532 | – | 4 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744777001 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 7447730 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | IR (A) | Samples |
|---|