Datasheet
Table Of Contents
V
IN
V
EN
GND
V
OUT
OUTPUT
1.0 PF
1.0 PF
INPUT
ENABLE
GND
LP5907
SVA-30180501
LP5907
www.ti.com
SNVS798G –APRIL 2012 – REVISED OCTOBER 2013
ULTRA LOW-NOISE, 250-mA LINEAR REGULATOR FOR RF AND ANALOG CIRCUITS -
REQUIRES NO BYPASS CAPACITOR
Check for Samples: LP5907
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FEATURES DESCRIPTION
The LP5907 is a linear regulator capable of supplying
• Stable with 1-µF Ceramic Input and Output
250-mA output current. Designed to meet the
Capacitors
requirements of RF and analog circuits, the LP5907
• No Noise Bypass Capacitor Required
device provides low noise, high PSRR, low quiescent
• Remote Output Capacitor Placement
current, and low line or load transient response
figures. Using new innovative design techniques, the
• Thermal-Overload and Short-Circuit Protection
LP5907 offers class-leading noise performance
• –40°C to +125°C Junction Temperature Range
without a noise bypass capacitor and the ability for
for Operation
remote output capacitor placement.
The device is designed to work with a 1-µF input and
APPLICATIONS
a 1-µF output ceramic capacitor (no bypass capacitor
• Cellular Phones
is required).
• PDA Handsets
The device is available in 4-bump ultra-thin DSBGA,
• Wireless LAN Devices
5-pin SOT-23, and 4-pin X2SON packages. This
device is available between 1.2 V and 4.5 V in 25-mV
steps. Contact Texas Instruments Sales for specific
KEY SPECIFICATIONS
voltage option needs.
• Input Voltage Range: 2.2 V to 5.5 V
• Output Voltage Range: 1.2 V to 4.5 V
Typical Application Circuit
• Output Current: 250 mA
• Low Output Voltage Noise: <10 µV
RMS
• PSRR: 82 dB at 1 kHz
• Output Voltage Tolerance: ±2%
• Virtually Zero IQ (Disabled): <1 µA
• Very Low IQ (Enabled): 12 µA
• Startup Time: 80 µs
• Low Dropout: 120 mV Typical
PACKAGES
• 4-Bump Ultra-Thin DSBGA:
0.35-mm Pitch, 0.65 mm × 0.65 mm × 0.40 mm
• 5-Pin SOT-23:
2.92 mm x 1.6 mm x 1 mm
• 4-Pin X2SON:
1 mm x 1mm x 0.37mm
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2012–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.