1FEATURES
• Stable with 1.0 μF Ceramic Input and Output
Capacitors
• No Noise Bypass Capacitor Required
• Remote Output Capacitor Placement
• Thermal-overload and Short-circuit Protection
• –40°C to +125°C Junction Temperature Range
for Operation

APPLICATIONS
• Cellular Phones
• PDA Handsets
• Wireless LAN Devices

KEY SPECIFICATIONS
• Input Voltage Range … 2.2V to 5.5V
• Output Voltage Range … 1.2V to 4.4V
• Output Current … 200 mA
• Low Output Voltage Noise at
200 mA … 6.5μVRMS
• PSRR … 78 dB at 1kHz
• Output Voltage Tolerance … ± 2%
• Virtually Zero IQ (Disabled) … <1 μA
• Very Low IQ (Enabled) … 11 μA
• Startup Time … 85 μs
• Low Dropout … 95 mV typ

PACKAGE
• 4-Bump DSBGA (lead free)
0.815 mm × 0.815 mm × 0.600 mm

DESCRIPTION
The LP5904 is a linear regulator capable of supplying
200 mA output current. Designed to meet the
requirements of RF/ Analog circuits, the LP5904
device provides low noise, high PSRR, low quiescent
current, and low line transient response figures. Using
new innovative design techniques the LP5904 offers
class-leading device noise performance without a noise bypass capacitor and the ability for remote
output capacitor placement. An active pulldown circuit
with a 280Ω resistor is wired from the output to
ground pins to quickly discharge output when the
device is disabled (VEN = low).
The device is designed to work with a 1.0 μF input
and a 1.0 μF output ceramic capacitor. (No Bypass Capacitor is required.)
The device is available in a DSBGA package. For
other package options contact your local TI sales
office.
This device is available between 1.2V and 4.4V in
25 mV steps. Please contact Texas Instruments
Sales for specific voltage option needs.