LP5900TLX-2.8 Datasheet, PDF (1/25 Pages) Texas Instruments – LP5900 Ultra Low Noise, 150 mA Linear Regulator for RF/Analog Circuits Requires No Bypass Capacitor

LP5900
www.ti.com
SNVS358O – JULY 2005 – REVISED MAY 2013
LP5900 Ultra Low Noise, 150 mA Linear Regulator for RF/Analog Circuits Requires No
Bypass Capacitor
Check for Samples: LP5900
FEATURES
1
•2 Stable with 0.47 μF Ceramic Input and Output
Capacitors
• No Noise Bypass Capacitor Required
• Logic Controlled Enable
• Thermal-Overload and Short-Circuit Protection
• −40°C to +125°C Junction Temperature Range
for Operation
KEY SPECIFICATIONS
• Input Voltage Range, 2.5V to 5.5V
• Output Voltage Range, 1.5V to 4.5V
• Output Current, 150 mA
• Low Output Voltage Noise, 6.5 μV_RMS
• PSRR, 75 dB at 1 kHz
• Output Voltage Tolerance, ± 2%
• Virturally Zero I_Q (Disabled), <1 µA
• Very Low I_Q (Enabled), 25 μA
• Startup Time, 150 μs
• Low Dropout, 80 mV Typ.
PACKAGE
• 4-Bump DSBGA (YZR), 1.057 mm x 1.083 mm x
0.600 mm
(lead free)
• Extreme Thin 4-Bump DSBGA (YPF), 1.067 mm
x 1.092 mm x 0.250 mm
(lead free)
• 6-Pin WSON, 2.2 mm x 2.5 mm x 0.8 mm
(SC70 footprint, halogen free)
APPLICATIONS
• Cellular Phones
• PDA Handsets
• Wireless LAN Devices
DESCRIPTION
The LP5900 is a linear regulator capable of supplying
150 mA output current. Designed to meet the
requirements of RF/Analog circuits, the LP5900
device provides low noise, high PSRR, low quiescent
current, and low line transient response figures. Using
new innovative design techniques the LP5900 offers
class-leading device noise performance without a
noise bypass capacitor.
Typical Application Circuit
INPUT
V_IN
0.47 PF
V_OUT
0.47 PF
LP5900
OUTPUT
ENABLE
GND
V_EN
GND
1
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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