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Overview
| Topology | Boost Converter |
| Switching frequency | 1000 kHz |
Description
The NCP1406 is a monolithic PFM step-up DC-DC converter. This device is designed to boost single Lithium or two cells AA/AAA battery voltages up to 25 V (with internal MOSFET) output for handheld applications. A pull-up Chip Enable feature is built-in with this device to extend battery-operating life. In addition to standard boost converter topologies, this device can be configured for voltage-inverting and step-down applications. This device is available in a space-saving TSOP-5 package. With its small footpring, the device is also ideal for generating a boosted voltage from a 3.3 V or 5.0 V power rail.
Features
- 85% Efficiency at VOUT = 25 V, IOUT = 25 mA, VIN = 5.0 V
- Low Operating Current of 15 µA (Not Switching)
- Low Shutdown Current of 0.3 µA
- Low Start−up Voltage of 1.8 V Typical at 0 mA
- Output Voltage up to 25 V with Built−in 26 V MOSFET Switch
- PFM Switching Frequency up to 1.0 MHz
- Chip Enable
- Feedback Pin Open/Short Circuit Protection
- Output Voltage Soft-Start
- Input Undervoltage Lockout
- Thermal Shutdown
- Low Profile and Minimum External Parts
- Micro Miniature TSOP-5 Package
- Pb-Free Package is Available
Typical applications
- Personal digital assistants (PDA) / digital still camera / cellular telephone
- hand-held games
- LCD bias, white LED driver, OLED driver
- handheld instrument
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(mm) | To | Ti | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | L(µH) | IR(A) | ISAT1(A) | ISAT2(A) | fres(MHz) | SW(mm) | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Pitch(mm) | Ø D(mm) | Packaging | Interface Type | Variant | Gender | Pins | Mount | Working Voltage(V (AC)) | Operating Temperature | H(mm) | Operation Force(g) | Electrical Life(Cycles) | Actuator Color | Washable | Vaporphase process | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(mΩ) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]250 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | – | – | – | MountSMT | – | Operating Temperature -40 °C up to +85 °C | Height0.7 mm | – | – | – | – | – | – | – | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]590 nm | Emitting ColorYellow | Peak Wavelength [typ.]595 nm | Luminous Intensity [typ.]120 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | – | – | – | MountSMT | – | Operating Temperature -40 °C up to +85 °C | Height0.7 mm | – | – | – | – | – | – | – | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]525 nm | Emitting ColorGreen | Peak Wavelength [typ.]515 nm | Luminous Intensity [typ.]430 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | – | – | – | MountSMT | – | Operating Temperature -40 °C up to +85 °C | Height0.7 mm | – | – | – | – | – | – | – | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads28 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]470 nm | Emitting ColorBlue | Peak Wavelength [typ.]465 nm | Luminous Intensity [typ.]145 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | – | – | – | MountSMT | – | Operating Temperature -40 °C up to +85 °C | Height0.7 mm | – | – | – | – | – | – | – | – | – | – | – | |||
 | WE-PMCI Power Molded Chip Inductor, 1.6 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMCI Power Molded Chip Inductor | Length1.6 mm | – | – | – | – | – | – | – | – | – | Inductance1 µH | Rated Current2.6 A | Saturation Current 11.2 A | Saturation Current 22.6 A | Self Resonant Frequency90 MHz | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins2 | MountSMT | – | Operating Temperature -40 °C up to +125 °C | Height0.8 mm | – | – | – | – | – | – | – | – | Rated Current 21200 mA | DC Resistance115 mΩ | – | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, 2 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | Length2 mm | – | – | – | – | – | – | – | – | – | – | Rated Current1.5 A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | Operating Temperature -55 °C up to +125 °C | Height0.9 mm | – | – | – | – | – | Impedance @ 100 MHz220 Ω | Maximum Impedance330 Ω | Maximum Impedance300 MHz | Rated Current 22000 mA | DC Resistance50 mΩ | TypeHigh Current | ||||
 | WR-PHD Pin Header - Single, 5.08 mm, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Length5.08 mm | – | – | – | – | – | – | – | – | – | – | Rated Current3 A | – | – | – | – | – | – | – | – | – | – | Pitch2.54 mm | – | PackagingBag | – | – | GenderPin Header | Pins2 | MountTHT | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | TypeStraight | |||
 | WR-PHD Pin Header - Single, 7.62 mm, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Length7.62 mm | – | – | – | – | – | – | – | – | – | – | Rated Current3 A | – | – | – | – | – | – | – | – | – | – | Pitch2.54 mm | – | PackagingBag | – | – | GenderPin Header | Pins3 | MountTHT | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | TypeStraight | |||
 | WCAP-PTG5 Aluminum Polymer Capacitors, 12.5 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-PTG5 Aluminum Polymer Capacitors | Length12.5 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance330 µF | Rated Voltage25 V (DC) | Endurance 2000 | Ripple Current4900 mA | Leakage Current1650 µA | Dissipation Factor8 % | Pitch5 mm | Diameter10 mm | PackagingAmmopack | – | – | – | – | MountRadial THT | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WA-SPAIE Plastic Spacer Stud, metric, internal/ external, 15 mm, M3 | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SPAIE Plastic Spacer Stud, metric, internal/ external | Length15 mm | Outer ThreadM3 | Inner ThreadM3 | – | – | – | – | – | – | – | – | – | – | – | – | SW6 mm | – | – | – | – | – | – | – | – | PackagingBag | – | – | – | – | – | – | Operating Temperature -30 °C up to +110 °C | – | – | – | – | – | – | – | – | – | – | – | – | |||
 | WS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Current0.05 A | – | – | – | – | – | Rated Voltage12 V (DC) | – | – | – | – | – | – | PackagingTape and Reel | – | – | – | – | – | – | Operating Temperature -40 °C up to +85 °C | Height1.7 mm | Operation Force350 g | Electrical Life200000 Cycles | Actuator ColorBlue | WashableNo | Vaporphase processnot specified | – | – | – | – | – | – | |||
 | WR-USB Mini/Micro Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Mini/Micro Connectors | – | – | – | – | – | – | – | – | – | – | – | Rated Current1 A | – | – | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel & Mylar | Interface TypeType B | Variantwith Pads & Pegs | GenderReceptacle | Pins5 | MountSMT | Working Voltage30 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | TypeHorizontal | |||
 | WA-SNTE Snap-In Stop Spacer for Printed Circuit Boards, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SNTE Snap-In Stop Spacer for Printed Circuit Boards | – | – | Inner ThreadM3 | – | – | – | – | – | – | – | – | – | – | – | – | SW5.5 mm | – | – | – | – | – | – | – | – | PackagingBag | – | – | – | – | – | – | Operating Temperature -30 °C up to +85 °C | Height2.4 mm | – | – | – | – | – | – | – | – | – | – | – |