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T05D
Integrated Circuits (ICs)

LP38859T-0.8

Obsolete
Texas Instruments

LDO REGULATOR POS 0.8V 3A 5-PIN(5+TAB) TO-220 RAIL

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T05D
Integrated Circuits (ICs)

LP38859T-0.8

Obsolete
Texas Instruments

LDO REGULATOR POS 0.8V 3A 5-PIN(5+TAB) TO-220 RAIL

Deep-Dive with AI

Technical Specifications

Parameters and characteristics for this part

SpecificationLP38859T-0.8
Control FeaturesSoft Start
Current - Output3 A
Current - Quiescent (Iq)8.5 mA
Current - Supply (Max) [Max]15 mA
Mounting TypeThrough Hole
Number of Regulators1
Operating Temperature [Max]125 °C
Operating Temperature [Min]-40 °C
Output ConfigurationPositive
Output Type1.81 mOhm
Package / CaseTO-220-5 Formed Leads
Protection FeaturesShort Circuit, Over Temperature, Under Voltage Lockout (UVLO), Over Current
PSRR [Max]80 dB
PSRR [Min]65 dB
Supplier Device PackageTO-220-5
Voltage - Input (Max) [Max]5.5 V
Voltage - Output (Min/Fixed)0.8 V
Voltage Dropout (Max) [Max]0.45 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

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Description

General part information

LP38859 Series

The LP38859 is a high-current, fast-response regulator which 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: VBIASprovides voltage to drive the gate of the N-MOS power transistor, while VINis the input voltage which supplies power to the load. The use of an external bias rail allows the part to operate from ultra-low VINvoltages. Unlike bipolar regulators, the CMOS architecture consumes extremely low quiescent current at any output load current. The use of an N-MOS 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 microcontroller core voltages and switch-mode power-supply post-regulators. The LP38859 is available in 5-pin TO-220 and DDPAK/TO-263 packages.

The LP38859 is a high-current, fast-response regulator which 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: VBIASprovides voltage to drive the gate of the N-MOS power transistor, while VINis the input voltage which supplies power to the load. The use of an external bias rail allows the part to operate from ultra-low VINvoltages. Unlike bipolar regulators, the CMOS architecture consumes extremely low quiescent current at any output load current. The use of an N-MOS power transistor results in wide bandwidth, yet minimum external capacitance is required to maintain loop stability.

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