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See Technical Specifications

LP38798SDX-ADJ/NOPB +BOM

800-mA, 20-V, low-noise, high-PSRR, adjustable low-dropout voltage regulator with enable

Manufacturer:

TI
Mfr.Part #:

LP38798SDX-ADJ/NOPB
Datasheet:

LP38798SDX-ADJ/NOPB Datasheet (PDF)
Output Options:

Adjustable Output
Iout (max) (A):

0.8
Vin (max) (V):

20
Vin (min) (V):

3
EDA/CAD Models:

Request Free CAD Models for LP38798SDX-ADJ/NOPB

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LP38798SDX-ADJ/NOPB General Description

The LP38798-ADJ is a top-notch LDO designed for applications requiring low-noise and high performance. With an impressive output current of 800 mA, this LDO is ideal for sensitive RF/Analog circuitry. Its innovative linear topology, implemented on an advanced CMOS process, ensures ultra-low output noise and high PSRR at switching power supply frequencies. The LP38798-ADJ is compatible with both ceramic and tantalum output capacitors, requiring just 1 µF of output capacitance for stability

Key Features

Wide Operating Input Voltage Range:
3 V to 20 V
Ultra-Low Output Noise: 5 µV_RMS
(10 Hz to 100 kHz)
High PSRR: 90 dB at 10 kHz, 60 dB at 100 kHz
±1% Output Voltage Initial Accuracy (T_J = 25°C)
Very Low Dropout: 200 mV (Typical) at 800 mA
Stable with Ceramic or Tantalum Output Capacitors
Excellent Line and Load Transient Response
Current Limit and Overtemperature Protection
Create a Custom Design Using the LP38798 With the WEBENCH Power Designer

Specifications

Output options	Adjustable Output	Iout (max) (A)	0.8
Vin (max) (V)	20	Vin (min) (V)	3
Vout (max) (V)	19.8	Vout (min) (V)	1.2
Noise (µVrms)	5	Iq (typ) (mA)	1.4
Thermal resistance θJA (°C/W)	35	Rating	Catalog
Load capacitance (min) (µF)	1	Regulated outputs (#)	1
Features	Enable	Accuracy (%)	2
PSRR at 100 KHz (dB)	65	Dropout voltage (Vdo) (typ) (mV)	200
Operating temperature range (°C)	-40 to 125