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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

The NCP1402SN50T1G is a monolithic micropower step-up DC-to-DC Converter, specially designed for powering portable equipment from one or two cell battery packs. This device is designed to start-up with a cell voltage of 0.8V and operate down to less than 0.3V. With only three external components, this series allow a simple means to implement highly efficient converters that are capable of up to 200mA of output current at Vin = 2.0V, VOUT = 3.0V. Each device consists of an on-chip PFM (pulse frequency modulation) oscillator, PFM controller, PFM comparator, soft-start, voltage reference, feedback resistors, driver and power MOSFET switch with current limit protection. Additionally, a chip enable feature is provided to power down the converter for extended battery life.
Extremely Low Start-up Voltage of 0.8V
Operation Down to Less than 0.3V
High Efficiency 85% (Vin = 2.0V, VOUT = 3.0V, 70mA)
Low Operating Current of 30µA (VOUT = 1.9V)
±2.5% Output Voltage Accuracy
Low Converter Ripple with Typical 30mV
Only Three External Components are Required
Chip Enable Power Down Capability for Extended Battery Life
Stresses exceeding those listed in the Maximum Ratings table may damage the device, if any of these limits are exceeded.

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NCP1402SN50T1G Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	5 Pin
Case/Package	TSOT-23-5
Supply Voltage (DC)	800 mV
Halogen Free Status	Halogen Free
Number of Outputs	1 Output
Output Voltage	5 V
Output Current	200 mA
Number of Positions	5 Position
Switching Frequency	200 kHz
Topology	Step-Up
Input Voltage (Max)	5 V
Input Voltage (Min)	800 mV
Output Voltage (Max)	5.125 V
Output Voltage (Min)	5 V
Output Current (Max)	0.2 A
Output Current (Min)	200 mA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	0.8V ~ 5.5V
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Size-Length	3 mm
Size-Width	1.5 mm
Size-Height	1 mm
Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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