The MIC23158YML EV board makes the evaluation of the MIC23158, a fully integrated 2A, 3MHz, dual switching regulators featuring HyperLight Load® mode, power good output indicator, and programmable soft-start. The MIC23158 is highly efficient throughout the entire output current range, drawing just 45µA of quiescent current for both outputs in operation. The 3mm x 4mm MLF package, in combination with the 3MHz switching frequency, enables a compact sub-1mm height solution.
The MIC23158 provides accurate output voltage regulation under the most demanding conditions and responds extremely quickly to a load transient with exceptionally small output voltage ripple.
The board requires a single 15W bench power source adjustable from 2.7V to 5.5V. The loads can either be active (Electronic load0 or passive (resistor) with the capability to dissipate 7W. It is ideal to have an oscilloscope available to view the circuit waveforms, but not essential. For the simplest tests, three voltage meters are required to measure input and two output voltages. For efficiency measurements, three voltage meters and three ammeters are required to prevent errors due to measurement inaccuracies.
| Manufacturer | Microchip Technology |
|---|---|
| Category | AC/DC and DC/DC Conversion |
| Sub-Category | DC/DC SMPS - Multi Output |
| Eval Board Part Number | 576-4542-ND |
| Eval Board Supplier | Microchip Technology |
| Eval Board |
Board not Stocked
|
| Topology |
Step Down
|
| Outputs and Type |
2 Non-Isolated
|
| Voltage Out: Highest Current First |
1.5V, 1.8V
|
| Current Out |
2A per Channel
|
| Voltage In |
2.7 ~ 5.5 V
|
| Efficiency @ Conditions |
>85%, 2.7V in, 1.8V @ 0.001 ~ 1 A
>85%, 2.7V in, 1.5V @ 0.001 ~ 0.8 A >82%, #.6V in, 1.8V @ 0.001 ~ 1.2 A >81%, 4.2V in, 1.8V @ 0.001 ~ 1.5 A >80%, 3.6V in, 1.5V @ 0.001 ~ 1.1 A >78%, 4.2V in, 1.5V @ 0.001 ~ 1.5 A >76%, 5V in, 1.8V @ 0.001 ~ 2 A >75%, 5V in, 1.5V @ 0.001 ~ 1.9 A |
| Voltage Out Range |
1 ~ 3.3 V
|
| Features |
Current Limit (Adj. or Fixed)
Light Load Mode PFM or PWM Power Good Output Pre-Biased Startup Shutdown, Enable, Standby Soft Start |
| Switching Frequency |
3 MHz
|
| Standby Current [Typical] |
100 nA
|
| Quiescent Current [Typical] |
45 µA
|
| Component Count + Extras |
24 + 10
|
| Internal Switch |
Yes
|
| Design Author |
Microchip Technology
|
| Application / Target Market |
Cell Phones
Memory Back-up Portable Devices Servers Tablets |
| Standby Current [Maximum] |
5 µA
|
| Quiescent Current [Maximum] |
90 µA
|
| Main I.C. Base Part |
MIC23158
|
| Date Created By Author | 2013-02 |
| Date Added To Library | 2015-02 |
Austria
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