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Part Name
Low Quiescent Current, PFM/PWM Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option
MCP16251/2
Features
•Up to 96% Typical Efficiency
•650mA Typical Peak Input Current Limit:
-IOUT > 100 mA @ 3.3V VOUT, 1.2V VIN
-IOUT > 250 mA @ 3.3V VOUT, 2.4V VIN
-IOUT > 225 mA @ 5.0V VOUT, 3.3V VIN
•Low Device Quiescent Current:
-Output Quiescent Current: < 4 μA typical,
device is not switching (VOUT > VIN, excluding feedback divider current)
-Input Sleep Current: 1 μA
-No Load Input Current: 14 μA typical
•Shutdown Current: 0.6 μA typical
•Low Start-Up Voltage: 0.82V, 1 mA load
•Low Operating Input Voltage: down to 0.35V
•Adjustable Output Voltage Range: 1.8V to 5.5V
•Maximum Input Voltage VOUT < 5.5V
•Automatic PFM/PWM Operation:
-PWM Operation: 500 kHz
-PFM Output Ripple: 150 mV typical
•Feedback Voltage: 1.23V
•Internal Synchronous Rectifier
•Internal Compensation
•Inrush Current Limiting and Internal Soft Start (1.5 ms typical)
•Selectable, Logic Controlled, Shutdown States:
-True Load Disconnect Option (MCP16251)
-Input-to-Output Bypass Option (MCP16252)
• Anti-Ringing Control
•Overtemperature Protection
•Available Packages:
-SOT-23, 6-Lead
-TDFN, 2 x 3 x 0.8 mm, 8-Lead
Applications
•One, Two and Three-Cell Alkaline and NiMH/NiCd Portable Products
•Solar Cell Applications
•Personal Care and Medical Products
•Bias for Status LEDs
•Smartphones, MP3 Players, Digital Cameras
•Remote Controllers, Portable Instruments
•Wireless Sensors
•Bluetooth Headsets
•+3.3V to +5.0V Distributed Power Supply
1. What service do you have ?
We are supplier of diode, bridge rectifiers and automotive rectifier diode. and mosfet ,We could supply competitive price and fast delivery and good quality with prompt service, We have our own R&D team , and Engineer to ensure to offer the best service to clients .
2. May I have some samples for testing?
We offer free samples for our customers and they only need to pay the freight for samples.
3. What about the delivery ?
Usually the lead time is about 1-4 weeks after receiving payment. For normal parts , we have the quantity in stock.
4. What about the payment terms ?
This can be discussed based on the actual order situation.
5. What about the shipment terms ?
FOB shenzhen by sea; We also work with DHL, FEDEX, TNT and etc. For large quantity , it's up to clients to choose the freight forwarder, our we can offer the service to assist clients
6. Do you hae any minimum order quantity requirement?
Based on the different products, for firt trial order to test, we can offer the quantity based on clients request, for repeat order, MOQ is based on the minimum packaging quantity.
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