NCP1729: Charge Pump, Switched Capacitor Voltage Inverter with Shutdown, 50 mA, 35 kHz

Datasheet: Switched Capacitor Voltage Inverter
Rev. 6 (170kB)
Product Overview
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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 µA, and a power saving shutdown input is provided to further reduce the current to a mere 0.4 µA. The device contains a 35 kHz oscillator that drives four low resistance MOSFET switches, yielding a low output resistance of 26 Ω and a voltage conversion efficiency of 99%. This device requires only two external 3.3µF 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 (SOT-23-6) package.
Features
 
  • Operating Voltage Range of 1.15 V to 5.5 V
  • Output Current Capability in Excess of 50 mA
  • Low Current Consumption of 122 µA
  • Power Saving Shutdown Input for a Reduced Current of 0.4 µA
  • Operation at 35 kHz
  • Low Output Resistance of 26Ω
Applications
  • LCD Panel Bias
  • Cellular Telephones
  • Pagers
  • Personal Digital Assistants
  • Electronic Games
  • Digital Cameras
  • Camcorders
  • Hand Held Instruments
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
STR-10-16V-BLDC-MDK-GEVB Active
Pb-free
600W, 10-16V Motor Development Board
STR-10-16V-BLDC-MDK-GEVK Active
Pb-free
600W, 10-16V Motor Development Kit
STR-16-30V-BLDC-MDK-GEVB Active
Pb-free
1kW, 16-30V Motor Development Board
STR-16-30V-BLDC-MDK-GEVK Active
Pb-free
1kW, 16-30V Motor Development board
STR-30-60V-BLDC-MDK-GEVB Active
Pb-free
1kW, 30-60V Motor Development Board
STR-30-60V-BLDC-MDK-GEVK Active
Pb-free
1kW, 30-60V Motor Development Board
STR-60-100V-BLDC-MDK-GEVB Active
Pb-free
1kW, 60-100V Motor Development Board
STR-60-100V-BLDC-MDK-GEVK Active
Pb-free
1kW, 60-100V Motor Development Board
STR-NCD98010-GEVK Active
Pb-free
Strata Enabled NCD98010 12-bit SAR ADC Evaluation Board
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCP1729SN35T1G Lifetime
Pb-free
Halide free
NCP1729 TSOP-6 318G-02 1 260 Tape and Reel 3000 $0.4
Market Leadtime (weeks) : Contact Factory
PandS   (2020-09-14) : >10K
Avnet   (2020-08-19) : >1K
FutureElectronics   (2020-08-19) : >1K
Case Outlines
318G-02   
Packages
NCP1729: Charge Pump, Switched Capacitor Voltage Inverter with Shutdown, 50 mA, 35 kHz
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