LP38798SD-ADJ/NOPB Power Regulator IC LDO Voltage Regulators 800mA Ultra-Lo Noise Hi PSRR LDO
digital voltage regulator ic
,electronic voltage regulator circuit
LP38798SD-ADJ/NOPB Power Regulator IC LDO Voltage Regulators 800mA Ultra-Lo Noise Hi PSRR LDO
1 Features
- Wide Operating Input Voltage Range: 3 V to 20 V
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Ultra-Low Output Noise: 5 μVRMS (10 Hz to 100 kHz)
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HighPSRR:90dBat10kHz,60dBat100kHz
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±1% Output Voltage Initial Accuracy (TJ = 25°C)
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Very Low Dropout: 200 mV (Typical) at 800 mA
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Stable with Ceramic or Tantalum Output Capacitors
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Excellent Line and Load Transient Response
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Current Limit and Overtemperature Protection
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Create a Custom Design Using the LP38798 With the WEBENCH® Power Designer
2 Applications
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RF Power Supplies: PLLs, VCOs, Mixers, LNAs
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Telecom Infrastructure
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Wireless Infrastructure
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Very Low-Noise Instrumentation
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Precision Power Supplies
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High-Speed, High-Precision Data Converters
3 Description
The LP38798-ADJ is a high-performance, low-noise LDO that can supply up to 800 mA output current. Designed to meet the requirements of sensitive RF/Analog circuitry, the LP38798-ADJ implements a novel linear topology on an advanced CMOS process to deliver ultra-low output noise and high PSRR at switching power supply frequencies. The LP38798SD-ADJ is stable with both ceramic and tantalum output capacitors and requires a minimum output capacitance of only 1 μF for stability.
The LP38798-ADJ can operate over a wide input voltage range (3 V to 20 V) making it well suited for many post-regulation applications.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
LP38798 |
WSON (12) |
4.00 mm × 4.00 mm |
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