| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 5 Pin |
| Supply Voltage (DC) | 6.00 V |
| Current Rating | 150 A |
| Case/Package | SOT-23-5 |
| Number of Outputs | 1 Output |
| Input Voltage (DC) | 6.00V (max) |
| Output Voltage | 2.5 V |
| Output Current | 150 mA |
| Number of Positions | 5 Position |
| Power Dissipation | 0.25 W |
| Quiescent Current | 85.0 µA |
| Output Capacitor Type | Ceramic |
| voltage rating | 60 mV |
| Number of Regulated Outputs | 1 Output |
| Input Voltage (Max) | 6 V |
| Input Voltage (Min) | 2.5 V |
| Output Voltage (Min) | 2.5 V |
| Output Current (Max) | 150 mA |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 250 mW |
| Accuracy | ±2 % |
| Input Voltage | ≤6 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Size-Length | 2.92 mm |
| Size-Width | 1.6 mm |
| Size-Height | 1.02 mm |
| Operating Temperature | -40℃ ~ 125℃ |
The LP3985IM5-2.5/NOPB is a 2.5V fixed output low-noise ultra-low-dropout (LDO) CMOS Linear Regulator. The device performance is optimized for battery-powered systems to deliver ultra-low noise, extremely low-dropout (LDO) voltage and low quiescent current. Regulator ground current increases only slightly in dropout, further prolonging the battery life. The device is stable with a small 1µF ±30% ceramic or high-quality tantalum output capacitor. An optional external bypass capacitor reduces the output noise without slowing down the load transient response. Fast startup time is achieved by utilizing an internal power-ON circuit that actively pre-charges the bypass capacitor. Power supply rejection is better than 50dB at low frequencies and starts to roll off at 1kHz. High power supply rejection is maintained down to low input voltage levels common to battery operated circuits.
● 50dB PSRR at 1kHz at VIN = VOUT + 0.2V
● 200µs (typical) Fast turn-ON time
● 30µVrms Output noise over 10Hz to 100kHz
● Logic controlled enable
● Stable with ceramic and high-quality tantalum capacitors
● Fast turn-on
● Thermal shutdown and short-circuit current limit
● Green product and no Sb/Br
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