| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 33.5 kHz |
| Number of Pins | 6 Pin |
| Case/Package | TSOT-23-6 |
| Halogen Free Status | Halogen Free |
| Number of Outputs | 1 Output |
| Output Voltage | -5.00 V, -6.00 V (max) |
| Output Current | 50 mA |
| Supply Current | 0.2 mA |
| Number of Positions | 6 Position |
| Power Dissipation | 0.313 W |
| Switching Frequency | 35 kHz |
| Input Voltage (Max) | 5.5 V |
| Input Voltage (Min) | 1.15 V |
| Output Current (Max) | 100 mA |
| Operating Temperature (Max) | 85 ℃ |
| Power Dissipation (Max) | 313 mW |
| Input Voltage | 1.15V ~ 5.5V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Size-Length | 3 mm |
| Size-Width | 1.5 mm |
| Size-Height | 0.94 mm |
| Operating Temperature | -40℃ ~ 85℃ (TA) |
The NCP1729SN35T1G is a switched-capacitor CMOS charge-pump Voltage Inverter designed for operation over an input voltage range of 1.5 to 5.5V with an output current capability in excess of 50mA. The operating current consumption is only 122µA and a power saving shutdown input is provided to further reduce the current to a mere 0.4µA. The device contains a 35kHz oscillator that drives four low resistance MOSFET switches, yielding a low output resistance of 26R 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 charge-pump converter inverts the voltage applied to the Vin pin. Conversion consists of a 2-phase operation.
● Charge pump capacitor losses due to equivalent series resistance
● I²R Losses due to the on-resistance of the MOSFET switches on-board the charge pump
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ON SEMICONDUCTOR NCP1729SN35T1G DC-DC Adjustable Charge Pump Voltage Converter, 1.15V to 5.5V in, -5.5V to -1.15V/50mA out, TSOP-6
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