LP38853S-ADJ Power Management ICs - PMIC by Texas Instruments


Status: Unknown
Series: -
RoHS: Unknown
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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

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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
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

Alternative Descriptions

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

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The LP38853S-ADJ is listed under Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators.

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