LP38853S-ADJ

Semiconductors - ICs

> Power Management ICs - PMIC

> Voltage Regulators

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Series Information for LP38853S-ADJ - Texas Instruments

Features

  • feature
    Adjustable VOUT Range: 0.8 V to 1.8 V
  • feature
    Dropout Voltage of 240 mV (Typical) at 3-A Load Current
  • feature
    Overtemperature and Overcurrent Protection
  • feature
    Precision VADJ Across All Line and Load Conditions: u2013 u00b11.5% VADJ for TJ = 25u00b0C u2013 u00b12% VADJ for 0u00b0C u2264 TJ u2264 +125u00b0C u2013 u00b13% VADJ for u201340u00b0C u2264 TJ u2264 +125u00b0C
  • feature
    Stable with 10-u00b5F Ceramic Capacitors
  • feature
    Wide VBIAS Supply Operating Range: 3 V to 5.5 V
  • feature
    u221240u00b0C to +125u00b0C Operating Junction Temperature

Description

REG LDO 3A POWERWISE TO263-7
The LP38853 is a high-current, fast-response regulator that can maintain output voltage regulation with extremely low input-to-output voltage drop. Fabricated on a CMOS process, the device operates from two input voltages: VBIAS provides voltage to drive the gate of the NMOS power transistor; VIN is the input voltage which supplies power to the load. The use of an external bias rail allows the device to operate from ultra-low VIN voltages. Unlike bipolar regulators, the CMOS architecture consumes extremely low quiescent current at any output load current. The use of an NMOS power transistor results in wide bandwidth, yet minimum external capacitance is required to maintain loop stability. The fast transient response of this device makes it suitable for use in powering DSP and microcontroller core voltages, and switch-mode power-supply post regulators. • Dropout Voltage: 240 mV (typical) at 3-A load current • Low Ground Pin Current: 10 mA (typical) at 3-A load current • Soft Start: Programmable soft-start time

Specifications

Output Type:
Adjustable
Input Voltage Min:
1.04V
Input Voltage Max:
5.5V
Fixed Output Voltage Nom.:
-
Adjustable Output Voltage Min:
800mV
Adjustable Output Voltage Max:
1.8V
Output Current:
3A
Dropout Voltage Vdo:
240mV
LDO Regulator Case Style:
TO-263
No. of Pins:
7Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
1.5%
Base Number:
38853
No. of Outputs:
1Outputs
Operating Temperature Range:
-40°C to +125°C
Output Voltage:
1.8V
Output Voltage Adjustable Range:
800mV to 1.8V
Output Voltage Max:
1.8V
Output Voltage Min:
800mV
Primary Input Voltage:
5.5V
Supply Voltage Min:
1.04V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
LDO

Alternate Descriptions

Avnet Europe

LDO Regulator Pos 0.8V to 1.8V 3A 8-Pin(7+Tab) TO-263 Rail