1FEATURES

2• Miniature 5 Pin Package

• Logic Controlled Enable

• No Noise Bypass Capacitor Required

• Stable with Low ESR Ceramic Capacitors

• Fast Turn ON

• Short Circuit Protection

APPLICATIONS

• GSM Portable Phones

• CDMA Cellular Handsets

• Bluetooth Devices

• Portable Information Appliances

KEY SPECIFICATIONS

• Input Voltage Range: 2.5V to 6.0V

• Output Voltages: 1.6V, 1.8V, and 2.5V

• Output Current: 5 mA

• Output Capacitors: 1μF Low ESR

• Virtually Zero IQ (Disabled): 1.0 μA

• Low IQ (Enabled): 14 μA

• PSRR: 10 dB

• Fast Start Up: 170 μs

DESCRIPTION

The LP3983 is a fixed voltage low current regulator.

The LP3983 is ideally suited to standby type

applications in battery powered equipment, it allows

the lifetime of the battery to be maximized. The

device can be controlled via an Enable(disable)

control and can thus be used by the system to further

extend the battery lifetime by reducing the power

consumption to virtually zero.

Performance is specified for a -40°C to 125°C

temperature range.

For output voltages other than those stated and

alternative package options, please contact your local

NSC sales office.

Package

• 5 Bump Thin DSBGA Package