LP3875ES-ADJ/NOPB 1.5A Electric Circuit Board IC Fast Ultra Low Dropout Linear Regulators
electronic integrated circuit
,digital integrated circuits
LP3875 1.5A Electric Circuit Board IC Fast Ultra Low Dropout Linear Regulators
LP3875-ADJ 1.5A Fast Ultra Low Dropout Linear Regulators
General Description
The LP3875-ADJ fast ultra low-dropout linear regulators operate from a +2.5V to +7.0V input supply. These ultra low dropout linear regulators respond very quickly to step changes in load, which makes them suitable for low voltage microprocessor applications. The LP3875-ADJ is developed on a CMOS process which allows low quiescent current operation independent of output load current. This CMOS process also allows the LP3875-ADJ to operate under extremely low dropout conditions. Dropout Voltage: Ultra low dropout voltage; typically 38mV at 150mA load current and 380mV at 1.5A load current. Ground Pin Current: Typically 6mA at 1.5A load current. Shutdown Mode: Typically 10nA quiescent current when the shutdown pin is pulled low. Adjustable Output Voltage: The output voltage may be programmed via two external resistors.
Features
n Ultra low dropout voltage
n Low ground pin current
n Load regulation of 0.06%
n 10nA quiescent current in shutdown mode
n Guaranteed output current of 1.5A DC
n Available in TO-263, TO-220 and SOT-223 packages
n Minimum output capacitor requirements
n Overtemperature/overcurrent protection
n −40˚C to +125˚C junction temperature range
Applications
n Microprocessor power supplies n GTL, GTL+, BTL, and SSTL bus terminators
n Power supplies for DSPs n SCSI terminator
n Post regulators
n High efficiency linear regulators
n Battery chargers
n Other battery powered applications
Pin Description for TO220-5 and TO263-5 Package
| PIN# | Name | Function |
| 1 | Shutdown | |
| 2 | VIN | Input Supply |
| 3 | GND | Ground |
| 4 | VOUT | Output Voltage |
| 5 | ADJ | Set Output Voltage |
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