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NCP1402SN27T1-NCP1402SN30T1-NCP1402SN33T1-NCP1402SN50T1 Fast Delivery,Good Price
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NCP1402SN27T1MOTON/a3avai200mA, PFM Step-Up Micropower Switching Regulator
NCP1402SN30T1MOTON/a5avai200mA, PFM Step-Up Micropower Switching Regulator
NCP1402SN33T1MOTON/a107avai200mA, PFM Step-Up Micropower Switching Regulator
NCP1402SN33T1ONN/a16000avai200mA, PFM Step-Up Micropower Switching Regulator
NCP1402SN50T1MOTON/a16avai200mA, PFM Step-Up Micropower Switching Regulator


NCP1402SN33T1 ,200mA, PFM Step-Up Micropower Switching Regulatorfrom one or two cell battery packs.These devices are designed tostartup with a cell voltage of 0.8 ..
NCP1402SN33T1 ,200mA, PFM Step-Up Micropower Switching RegulatorMaximum ratings applied to the device are individual stress limitvalues (not normal operating condi ..
NCP1402SN33T1G , 200 mA, PFM Step−Up Micropower Switching Regulator
NCP1402SN50T1 ,200mA, PFM Step-Up Micropower Switching RegulatorFeatures• Pb−Free Packages are Available3 4 GNDNC• Extremely Low Startup Voltage of 0.8 Vxxx = Mark ..
NCP1402SN50T1G , 200 mA, PFM Step−Up Micropower Switching Regulator
NCP1403 ,15 V/50 mA PFM Step-Up DC-DC ConverterFeatures 1• 82% Efficiency at V = 15 V, I = 50 mA, V = 5.0 VOUT OUT IN• 78% Efficiency at V = 15 V, ..
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NCP1402SN27T1-NCP1402SN30T1-NCP1402SN33T1-NCP1402SN50T1
200mA, PFM Step-Up Micropower Switching Regulator
NCP1402
200 mA, PFM Step-Up
Micropower Switching
Regulator
The NCP1402 series are monolithic micropower step−up DC to DC
converter that are specially designed for powering portable equipment
from one or two cell battery packs.These devices are designed to
startup with a cell voltage of 0.8 V and operate down to less than
0.3 V. With only three external components, this series allow a simple
means to implement highly efficient converters that are capable of up
to 200 mA of output current at Vin = 2.0 V , VOUT = 3.0 V.
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.
The NCP1402 device series are available in the Thin SOT−23−5
package with five standard regulated output voltages. Additional
voltages that range from 1.8 V to 5.0 V in 100 mV steps can be
manufactured.
Features
Pb−Free Packages are Available Extremely Low Startup Voltage of 0.8 V Operation Down to Less than 0.3 V High Efficiency 85% (Vin = 2.0 V, VOUT = 3.0 V, 70 mA) Low Operating Current of 30 �A (VOUT = 1.9 V) Output Voltage Accuracy ± 2.5% Low Converter Ripple with Typical 30 mV Only Three External Components Are Required Chip Enable Power Down Capability for Extended Battery Life Micro Miniature Thin SOT−23−5 Packages
Typical Applications
Cellular Telephones Pagers Personal Digital Assistants (PDA) Electronic Games Portable Audio (MP3) Camcorders Digital Cameras Handheld Instruments
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