LP5907_017 Datasheet, PDF (1/36 Pages) Texas Instruments – 250-mA Ultra-Low-Noise, Low-IQ LDO

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LP5907
SNVS798L – APRIL 2012 – REVISED SEPTEMBER 2016
LP5907 250-mA Ultra-Low-Noise, Low-I_Q LDO
1 Features
•1 Input Voltage Range: 2.2 V to 5.5 V
• Output Voltage Range: 1.2 V to 4.5 V
• Output Current: 250 mA
• Stable with 1-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
• Low Output Voltage Noise: < 6.5 µV_RMS
• PSRR: 82 dB at 1 kHz
• Output Voltage Tolerance: ±2%
• Virtually Zero IQ (Disabled): < 1 µA
• Very Low I_Q (Enabled): 12 µA
• Start-up Time: 80 µs
• Low Dropout: 120 mV (typical)
2 Applications
• Mobile Phones, Tablets
• Digital Cameras and Audio Devices
• Portable and Battery-Powered Equipment
• Portable Medical Equipment
• Smart Meters
• RF, PLL, VCO, and Clock Power Supplies
• IP Cameras
• Drones
• Field Transmitters
3 Description
The LP5907 is a low-noise LDO that can supply up to
250 mA output current. Designed to meet the
requirements of RF and analog circuits, the LP5907
device provides low noise, high PSRR, low quiescent
current, and low line or load transient response
figures. Using new innovative design techniques, the
LP5907 offers class-leading noise performance
without a noise bypass capacitor and the ability for
remote output capacitor placement.
The device is designed to work with a 1-µF input and
a 1-µF output ceramic capacitor (no separate noise
bypass capacitor is required).
This device is available with fixed output voltages
from 1.2 V to 4.5 V in 25-mV steps. Contact Texas
Instruments Sales for specific voltage option needs.
Device Information⁽¹⁾
PART NUMBER PACKAGE
BODY SIZE
DSBGA (4) 0.675 mm × 0.675 mm (MAX)
LP5907
SOT-23 (5) 2.90 mm × 1.60 mm (NOM)
X2SON (4) 1.00 mm × 1.00 mm (NOM)
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
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Simplified Schematic
INPUT
IN
OUT
1 PF
LP5907
OUTPUT
1 PF
ENABLE
GND
EN
GND
Copyright © 2016, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.