The MCP1256/7/8/9 Charge Pump Evaluation Board is an evaluation and demonstration tool for Microchip Technology’s MCP1256/7/8/9 Regulated 3.3V, Low-Ripple Charge Pumps with low-operating current SLEEP mode or BYPASS mode. The design provides for dynamic versatility.
The MCP1256/7/8/9 Charge Pump Evaluation Board is setup to evaluate simple, stand-alone, DC-to-DC conversion. Two evaluation circuits are provided, demonstrating the versatility of the MCP1256/7/8/9 device family. One evaluation circuit utilizes the MCP1256, demonstrating the SLEEP mode feature along with a power good indication. The other
evaluation circuit utilizes the MCP1259, demonstrating the unique BYPASS mode feature, along with a low battery indication.
When connected, the MCP1256/7/8/9 devices can be evaluated in a variety of applications.
| Manufacturer | Microchip Technology |
|---|---|
| Category | AC/DC and DC/DC Conversion |
| Sub-Category | DC/DC SMPS - Single Output |
| Eval Board Part Number | MCP1256/7/8/9EV-ND |
| Eval Board Supplier | Microchip Technology |
| Eval Board |
Normally In Stock
|
| Topology |
Step Up/Down
Switch Cap, Charge Pump |
| Outputs and Type |
1 Non-Isolated
|
| Voltage Out: Factory Set |
3.3 V
|
| Current Out |
100 mA
|
| Voltage In |
1.8 ~ 3.6 V
|
| Efficiency @ Conditions |
>84%, 1.8V in, 3.3V @ 10 ~ 50 mA
>76%, 2.8V in, 3.3V @ 50 ~ 100 mA |
| Voltage Out Range |
- Fixed
|
| Features |
Bypass Mode
Electrolytic Free Low Battery Warning Short Circuit Protection Shutdown, Enable, Standby Soft Start Thermal Protection |
| Switching Frequency |
650 kHz
|
| Standby Current [Typical] |
250 nA
|
| Quiescent Current [Typical] |
1.4 mA
|
| Component Count + Extras |
7 + 7
|
| Internal Switch |
Yes
|
| Design Author |
Microchip Technology
|
| Application / Target Market |
Portable Devices
|
| Standby Current [Maximum] |
2 µA
|
| Quiescent Current [Maximum] |
2.3 mA
|
| Main I.C. Base Part |
MCP1259
|
| Date Created By Author | 2006-02 |
| Date Added To Library | 2012-10 |
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Incoterms
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