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Part Number: NCP1729
Description: The NCP1729 is a CMOS charge pump voltage inverter that is designed for operation o...
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NCP1729
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General Description
NCP1729 General Description
The NCP1729 is a CMOS charge pump voltage inverter that is designed for operation over an input voltage range of 1.15 V to 5.5 V with an output current capability in excess of 50 mA. The operating current consumption is only 122 A, and a power saving shutdown input is provided to further reduce the current to a mere 0.4 A. The device contains a 35 kHz oscillator that drives four low resistance MOSFET switches, yielding a low output resistance of 26 and a voltage conversion efficiency of 99%. This device requires only two external 3.3F capacitors for a complete inverter making it an ideal solution for numerous battery powered and board level applications. The NCP1729 is available in the space saving TSOP−6 package.
NCP1729 Maximum Ratings
|
Rating |
Symbol |
Value |
Unit |
| Input Voltage Range (Vin to GND) |
Vin |
−0.3 to 6.0 |
V |
| Output Voltage Range (Vout to GND) |
Vout |
−6.0 to 0.3 |
V |
| Output Current |
Iout |
100 |
mA |
| Output Short Circuit Duration (Vout to GND) |
tSC |
Indefinite |
sec |
| Operating Junction Temperature |
TJ |
150 |
°C |
| Power Dissipation and Thermal Characteristics Thermal Resistance, Junction−to−Air Maximum Power Dissipation @ TA = 70°C |
RJA |
256 |
°C/W |
| Storage Temperatur |
Tstg |
−55 to 150 |
°C |
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,damage may occur and reliability may be affected.
*ESD Ratings
ESD Machine Model Protection up to 200 V, Class B
ESD Human Body Model Protection up to 2000 V, Class 2
NCP1729 Features
• Operating Voltage Range of 1.15 V to 5.5 V
• Output Current Capability in Excess of 50 mA
• Low Current Consumption of 122A
• Power Saving Shutdown Input for a Reduced Current of 0.4A
• Operation at 35 kHz
• Low Output Resistance of 26
• Space Saving TSOP−6 Package
• Pb−Free Package is Available
• Output Current Capability in Excess of 50 mA
• Low Current Consumption of 122A
• Power Saving Shutdown Input for a Reduced Current of 0.4A
• Operation at 35 kHz
• Low Output Resistance of 26
• Space Saving TSOP−6 Package
• Pb−Free Package is Available
NCP1729 Typical Application
• LCD Panel Bias
• Cellular Telephones
• Pagers
• Personal Digital Assistants
• Electronic Games
• Digital Cameras
• Camcorders
• Hand Held Instruments
• Cellular Telephones
• Pagers
• Personal Digital Assistants
• Electronic Games
• Digital Cameras
• Camcorders
• Hand Held Instruments
NCP1729
PDF/DataSheet Download
- Datasheet: NCP1729
- File Size: 137031 KB
- Manufacturer: ON SEMICONDUCTOR
- Click here to Download
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